{"id":2556,"date":"2025-10-01T08:45:54","date_gmt":"2025-10-01T08:45:54","guid":{"rendered":"https:\/\/productionscrews.com\/"},"modified":"2025-10-01T08:45:54","modified_gmt":"2025-10-01T08:45:54","slug":"expert-guide-to-special-fasteners-manufacturing-from-jet-engines-to-custom-solutions","status":"publish","type":"post","link":"https:\/\/productionscrews.com\/vi\/expert-guide-to-special-fasteners-manufacturing-from-jet-engines-to-custom-solutions\/","title":{"rendered":"H\u01b0\u1edbng D\u1eabn Chuy\u00ean Gia v\u1ec1 S\u1ea3n Xu\u1ea5t \u1ed0c \u0110\u1eb7c Bi\u1ec7t: T\u1eeb \u0110\u1ed9ng C\u01a1 Jet \u0111\u1ebfn Gi\u1ea3i Ph\u00e1p T\u00f9y Ch\u1ec9nh"},"content":{"rendered":"

V\u01b0\u1ee3t qua Bolt: H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 s\u1ea3n xu\u1ea5t c\u00e1c lo\u1ea1i \u1ed1c v\u00edt \u0111\u1eb7c bi\u1ec7t<\/h2>\n

Trong c\u00e1c t\u00ecnh hu\u1ed1ng \u00e1p l\u1ef1c cao, kh\u00f4ng c\u00f3 kh\u00e1i ni\u1ec7m \"ch\u1ec9 l\u00e0 m\u1ed9t \u1ed1c v\u00edt\". H\u00e3y ngh\u0129 v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa m\u1ed9t bu l\u00f4ng th\u00e9p th\u00f4ng th\u01b0\u1eddng gi\u1eef c\u1ed5ng v\u01b0\u1eddn v\u00e0 b\u1ed9 ph\u1eadn ph\u1ee9c t\u1ea1p c\u1ed1 \u0111\u1ecbnh m\u1ed9t c\u00e1nh qu\u1ea1t turbine trong \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c, quay v\u1edbi t\u1ed1c \u0111\u1ed9 10.000 v\u00f2ng\/ph\u00fat trong nhi\u1ec7t \u0111\u1ed9 1.000\u00b0C. C\u00e1i th\u1ee9 hai \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng k\u1ef9 thu\u1eadt v\u00e0 s\u1ea3n xu\u1ea5t tuy\u1ec7t v\u1eddi. \u0110\u00e2y l\u00e0 nh\u1eefng \u1ed1c v\u00edt \u0111\u1eb7c bi\u1ec7t: c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c c\u00f4ng vi\u1ec7c c\u1ee5 th\u1ec3, \u0111\u00f2i h\u1ecfi kh\u1eaft khe, n\u01a1i m\u00e0 s\u1ef1 c\u1ed1 kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p x\u1ea3y ra. Ch\u00fang kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi t\u00ean g\u1ecdi c\u1ee7a ch\u00fang, m\u00e0 b\u1edfi nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m l\u00e0m cho ch\u00fang tr\u1edf n\u00ean \u0111\u1eb7c bi\u1ec7t: h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh ho\u1eb7c ph\u1ee9c t\u1ea1p, v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn ho\u1eb7c hi\u1ebfm, v\u00e0 y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ef1c cao. C\u00e1c b\u1ed9 ph\u1eadn ti\u00eau chu\u1ea9n mua t\u1eeb c\u1eeda h\u00e0ng \u0111\u01a1n gi\u1ea3n kh\u00f4ng th\u1ec3 ph\u00f9 h\u1ee3p khi \u0111\u1ed1i m\u1eb7t v\u1edbi rung \u0111\u1ed9ng d\u1eef d\u1ed9i, h\u00f3a ch\u1ea5t \u0103n m\u00f2n ho\u1eb7c t\u1ea3i tr\u1ecdng c\u1ea5u tr\u00fac l\u1edbn.<\/p>\n

B\u00e0i vi\u1ebft n\u00e0y \u0111i xa h\u01a1n vi\u1ec7c ch\u1ec9 li\u1ec7t k\u00ea c\u00e1c lo\u1ea1i. Ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn k\u1ef9 thu\u1eadt chi ti\u1ebft v\u1ec1 qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u1ee5 ki\u1ec7n \u0111\u1eb7c bi\u1ec7t nhanh<\/a>t\u1eeb khoa h\u1ecdc c\u01a1 b\u1ea3n c\u1ee7a nguy\u00ean li\u1ec7u th\u00f4 \u0111\u1ebfn quy tr\u00ecnh ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t cu\u1ed1i c\u00f9ng. Ch\u00fang t\u00f4i s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t ch\u00ednh, kim lo\u1ea1i h\u1ecdc t\u1ea1o n\u00ean \u0111\u1ed9 b\u1ec1n c\u1ee7a ch\u00fang, c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u1ee5 quan tr\u1ecdng \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, v\u00e0 t\u01b0 duy ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng l\u1ed7i ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t c\u1ee7a h\u1ecd. \u0110\u1ed1i v\u1edbi k\u1ef9 s\u01b0, chuy\u00ean vi\u00ean mua h\u00e0ng v\u00e0 chuy\u00ean gia ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u00e2y l\u00e0 m\u1ed9t H\u01b0\u1edbng d\u1eabn thi\u1ebft y\u1ebfu<\/a> \u0111\u1ec3 hi\u1ec3u nh\u1eefng g\u00ec c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra m\u1ed9t th\u00e0nh ph\u1ea7n gi\u1eef cho c\u00e1c c\u00f4ng ngh\u1ec7 quan tr\u1ecdng nh\u1ea5t c\u1ee7a ch\u00fang ta g\u1eafn k\u1ebft v\u1edbi nhau.<\/p>\n

\u0110i\u1ec1u g\u00ec l\u00e0m cho m\u1ed9t ph\u1ee5 ki\u1ec7n c\u1ed1 \u0111\u1ecbnh tr\u1edf n\u00ean \u201c\u0111\u1eb7c bi\u1ec7t\u201d?<\/h2>\n

\u0110\u1ec3 hi\u1ec3u r\u00f5 c\u00e1c ph\u1ee9c t\u1ea1p trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i thi\u1ebft l\u1eadp m\u1ed9t khung k\u1ef9 thu\u1eadt r\u00f5 r\u00e0ng v\u1ec1 nh\u1eefng y\u1ebfu t\u1ed1 n\u00e2ng m\u1ed9t ph\u1ee5 ki\u1ec7n t\u1eeb \u201cti\u00eau chu\u1ea9n\u201d l\u00ean \u201c\u0111\u1eb7c bi\u1ec7t.\u201d Nh\u1eefng th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t b\u1edfi s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a c\u00e1c y\u00eau c\u1ea7u kh\u1eaft khe quy \u0111\u1ecbnh t\u1eebng b\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh ch\u1ebf t\u1ea1o c\u1ee7a ch\u00fang.<\/p>\n

Th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u cao c\u1ea5p<\/h3>\n

N\u1ec1n t\u1ea3ng c\u1ee7a m\u1ed9t b\u1ed9 kh\u00f3a \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1eadt li\u1ec7u c\u1ee7a n\u00f3. Th\u00e9p carbon ti\u00eau chu\u1ea9n ho\u1eb7c h\u1ee3p kim th\u01b0\u1eddng kh\u00f4ng \u0111\u1ee7. Thay v\u00e0o \u0111\u00f3, ch\u00fang t\u00f4i l\u1ef1a ch\u1ecdn t\u1eeb m\u1ed9t lo\u1ea1t kim lo\u1ea1i v\u00e0 h\u1ee3p kim ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c ch\u1ecdn d\u1ef1a tr\u00ean c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee5 th\u1ec3. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m c\u00e1c h\u1ee3p kim si\u00eau ch\u1ed1ng oxy h\u00f3a d\u1ef1a tr\u00ean nickel nh\u01b0 Inconel v\u00e0 Waspaloy \u0111\u1ec3 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, h\u1ee3p kim titanium cho t\u1ef7 l\u1ec7 s\u1ee9c m\u1ea1nh tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng xu\u1ea5t s\u1eafc, h\u1ee3p kim c\u1ee9ng r\u1eafn ch\u1ecbu k\u1ebft t\u1ee7a (PH) c\u00f3 \u0111\u1ed9 b\u1ec1n cao. th\u00e9p kh\u00f4ng g\u1ec9<\/a> \u0111\u1ec3 k\u1ebft h\u1ee3p s\u1ee9c m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n, v\u00e0 th\u1eadm ch\u00ed c\u00e1c h\u1ee3p ch\u1ea5t phi kim lo\u1ea1i cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t. L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u l\u00e0 quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt \u0111\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t.<\/p>\n

\"h\u1ed9p<\/p>\n

Thi\u1ebft k\u1ebf h\u00ecnh h\u1ecdc ph\u1ee9c t\u1ea1p<\/h3>\n

C\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u1eb7c bi\u1ec7t hi\u1ebfm khi ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf \u0111\u1ea7u hex ho\u1eb7c \u0111\u1ea7u l\u1ee5c gi\u00e1c ti\u00eau chu\u1ea9n. H\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang l\u00e0 ph\u1ea3n \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi m\u1ed9t th\u00e1ch th\u1ee9c k\u1ef9 thu\u1eadt c\u1ee5 th\u1ec3. Ch\u00fang th\u01b0\u1eddng c\u00f3 \u0111\u1ea7u kh\u00f4ng ti\u00eau chu\u1ea9n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c kh\u00f4ng gian ch\u1eadt h\u1eb9p, h\u00ecnh d\u1ea1ng ren kh\u00f4ng \u0111\u1ed1i x\u1ee9ng ho\u1eb7c \u0111\u1ed9c quy\u1ec1n \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng kh\u00f3a ch\u1eb7t ho\u1eb7c ph\u00e2n ph\u1ed1i t\u1ea3i tr\u1ecdng, c\u00e1c t\u00ednh n\u0103ng kh\u00f3a t\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ed1ng rung l\u1eafc, ho\u1eb7c thi\u1ebft k\u1ebf tr\u1ee5c v\u00e0 m\u00e9p n\u1ed1i \u0111\u1ed9c \u0111\u00e1o \u0111\u1ec3 t\u1ed1i \u01b0u d\u00f2ng ch\u1ea3y \u1ee9ng su\u1ea5t v\u00e0 n\u00e2ng cao tu\u1ed5i th\u1ecd m\u1ecfi. C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ea3m nh\u1eadn nhi\u1ec1u ch\u1ee9c n\u0103ng, v\u00ed d\u1ee5 nh\u01b0 v\u1eeba l\u00e0 ph\u1ee5 ki\u1ec7n v\u1eeba l\u00e0 ch\u1ed1t \u0111\u1ecbnh v\u1ecb, t\u1eeb \u0111\u00f3 l\u00e0m t\u0103ng \u0111\u1ed9 ph\u1ee9c t\u1ea1p h\u00ecnh h\u1ecdc c\u1ee7a ch\u00fang.<\/p>\n

M\u00f4i tr\u01b0\u1eddng d\u1ecbch v\u1ee5 kh\u1eafc nghi\u1ec7t<\/h3>\n

C\u00e1c th\u00e0nh ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ed3n t\u1ea1i n\u01a1i m\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c th\u1ea5t b\u1ea1i. M\u00f4i tr\u01b0\u1eddng d\u1ecbch v\u1ee5 quy\u1ebft \u0111\u1ecbnh vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t. Ch\u00fang t\u00f4i thi\u1ebft k\u1ebf c\u00e1c b\u1ed9 b\u1eaft v\u00edt \u0111\u1ec3 ch\u1ecbu \u0111\u1ef1ng nhi\u1ec1u \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t, th\u01b0\u1eddng c\u00f9ng l\u00fac. Nh\u1eefng \u0111i\u1ec1u ki\u1ec7n n\u00e0y bao g\u1ed3m t\u1ea3i k\u00e9o v\u00e0 c\u1eaft cao \u0111\u1ea9y c\u00e1c v\u1eadt li\u1ec7u \u0111\u1ebfn gi\u1edbi h\u1ea1n c\u1ee7a ch\u00fang, rung \u0111\u1ed9ng d\u1eef d\u1ed9i v\u00e0 k\u00e9o d\u00e0i c\u00f3 th\u1ec3 l\u00e0m l\u1ecfng ho\u1eb7c m\u1ecfi c\u00e1c b\u1ed9 b\u1eaft v\u00edt ti\u00eau chu\u1ea9n, ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan t\u1eeb nhi\u1ec7t \u0111\u1ed9 c\u1ef1c th\u1ea5p \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng n\u00f3ng b\u1ecfng c\u1ee7a kh\u00ed th\u1ea3i \u0111\u1ed9ng c\u01a1, v\u00e0 m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t \u0103n m\u00f2n cao ho\u1eb7c n\u01b0\u1edbc mu\u1ed1i c\u00f3 th\u1ec3 nhanh ch\u00f3ng ph\u00e1 h\u1ee7y c\u00e1c v\u1eadt li\u1ec7u k\u00e9m h\u01a1n.<\/p>\n

Ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c<\/h3>\n

Vi\u1ec7c s\u1ea3n xu\u1ea5t c\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh theo c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t c\u1ee7a ng\u00e0nh v\u00e0 kh\u00e1ch h\u00e0ng, nh\u01b0 t\u1eeb ASME, ASTM, ISO, v\u00e0 c\u00e1c ch\u1ec9 th\u1ecb h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 c\u1ee5 th\u1ec3 nh\u01b0 NAS, MS, v\u00e0 AS. Y\u00eau c\u1ea7u kh\u00f4ng th\u1ec3 th\u01b0\u01a1ng l\u01b0\u1ee3ng trong l\u0129nh v\u1ef1c n\u00e0y l\u00e0 kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c to\u00e0n b\u1ed9 l\u00f4 h\u00e0ng. M\u1ed7i chi\u1ebfc ph\u1ee5 ki\u1ec7n ph\u1ea3i c\u00f3 th\u1ec3 truy xu\u1ea5t ngu\u1ed3n g\u1ed1c tr\u1edf l\u1ea1i l\u00f4 ban \u0111\u1ea7u c\u1ee7a n\u00f3. v\u1eadt li\u1ec7u th\u00f4<\/a>v\u1edbi t\u00e0i li\u1ec7u to\u00e0n di\u1ec7n bao g\u1ed3m m\u1ecdi b\u01b0\u1edbc s\u1ea3n xu\u1ea5t, chu tr\u00ecnh x\u1eed l\u00fd nhi\u1ec7t v\u00e0 h\u1ed3 s\u01a1 ki\u1ec3m tra. Chu\u1ed7i d\u1eef li\u1ec7u kh\u00f4ng gi\u00e1n \u0111o\u1ea1n n\u00e0y cung c\u1ea5p s\u1ef1 \u0111\u1ea3m b\u1ea3o t\u1ed1i \u0111a v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u su\u1ea5t.<\/p>\n

C\u00e1c Quy tr\u00ecnh S\u1ea3n xu\u1ea5t Ch\u00ednh<\/h2>\n

Ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng \u0111\u1ec3 h\u00ecnh th\u00e0nh h\u00ecnh d\u1ea1ng c\u01a1 b\u1ea3n c\u1ee7a m\u1ed9t b\u1ed9 kh\u00f3a \u0111\u1eb7c bi\u1ec7t l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc cu\u1ed1i c\u00f9ng, chi ph\u00ed v\u00e0 s\u1ef1 ph\u00f9 h\u1ee3p cho m\u1ed9t \u1ee9ng d\u1ee5ng nh\u1ea5t \u0111\u1ecbnh. Ba ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh\u2014\u0111\u1ecbnh h\u00ecnh l\u1ea1nh, r\u00e8n n\u00f3ng v\u00e0 gia c\u00f4ng CNC\u2014m\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u mang l\u1ea1i m\u1ed9t t\u1eadp h\u1ee3p l\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf ri\u00eang. L\u1ef1a ch\u1ecdn n\u00e0y l\u00e0 m\u1ed9t s\u1ef1 \u0111\u00e1nh \u0111\u1ed5i k\u1ef9 thu\u1eadt ph\u1ee9c t\u1ea1p.<\/p>\n

D\u1eadp N\u00f3ng \/ Gia C\u00f4ng N\u00f3ng<\/h3>\n

D\u1eadp n\u00f3ng l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u1ed1c \u0111\u1ed9 cao \u0111\u1ecbnh h\u00ecnh kim lo\u1ea1i<\/a> d\u00e2y th\u00e9p \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng. D\u00e2y \u0111\u01b0\u1ee3c c\u1ea5p v\u00e0o m\u00e1y n\u01a1i m\u1ed9t lo\u1ea1t khu\u00f4n v\u00e0 \u0111\u1ee5c d\u1ea7n d\u1ea7n t\u1ea1o h\u00ecnh th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n, nh\u01b0 \u0111\u1ea7u v\u00e0 th\u00e2n bu l\u00f4ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y r\u1ea5t hi\u1ec7u qu\u1ea3 \u0111\u1ec3 s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c b\u1ed9 ph\u1eadn.<\/p>\n

L\u1ee3i \u00edch k\u1ef9 thu\u1eadt ch\u00ednh c\u1ee7a d\u1eadp n\u00f3ng l\u00e0 t\u00e1c d\u1ee5ng t\u00edch c\u1ef1c c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi c\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u. V\u00ec kim lo\u1ea1i b\u1ecb d\u1ecbch chuy\u1ec3n ch\u1ee9 kh\u00f4ng b\u1ecb lo\u1ea1i b\u1ecf, d\u00f2ng ch\u1ea3y h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u theo h\u00ecnh d\u1ea1ng c\u1ee7a chi ti\u1ebft. D\u00f2ng ch\u1ea3y h\u1ea1t kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n n\u00e0y cung c\u1ea5p \u0111\u1ed9 b\u1ec1n k\u00e9o v\u00e0 \u0111\u1ed9 b\u1ec1n m\u1ecfi v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u1eaft xuy\u00ean qua c\u1ea5u tr\u00fac h\u1ea1t. H\u01a1n n\u1eefa, qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0m c\u1ee9ng v\u1eadt li\u1ec7u, t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 v\u00e0 \u0111\u1ed9 c\u1ee9ng c\u1ee7a n\u00f3. Nh\u1eefng h\u1ea1n ch\u1ebf ch\u00ednh l\u00e0 \u0111\u1ed9 d\u1ebbo c\u1ee7a v\u1eadt li\u1ec7u\u2014m\u1ed9t s\u1ed1 h\u1ee3p kim c\u00f3 \u0111\u1ed9 b\u1ec1n cao kh\u00f4ng th\u1ec3 d\u1eadp n\u00f3ng hi\u1ec7u qu\u1ea3\u2014v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p h\u00ecnh h\u1ecdc c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c.<\/p>\n

R\u00e8n n\u00f3ng<\/h3>\n

Gia c\u00f4ng n\u00f3ng li\u00ean quan \u0111\u1ebfn vi\u1ec7c nung n\u00f3ng m\u1ed9t kh\u1ed1i kim lo\u1ea1i ho\u1eb7c thanh kim lo\u1ea1i \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 m\u00e0 n\u00f3 tr\u1edf n\u00ean d\u1ec5 bi\u1ebfn d\u1ea1ng (tr\u00ean nhi\u1ec7t \u0111\u1ed9 recrystallization c\u1ee7a n\u00f3) nh\u01b0ng v\u1eabn c\u00f2n trong tr\u1ea1ng th\u00e1i r\u1eafn. V\u1eadt li\u1ec7u \u0111\u00e3 nung n\u00f3ng sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u00e9p ho\u1eb7c b\u00faa \u00e9p \u0111\u1ea9y n\u00f3 v\u00e0o khu\u00f4n. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00fd t\u01b0\u1edfng \u0111\u1ec3 t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn l\u1edbn, c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p ho\u1eb7c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 d\u1ebbo th\u1ea5p \u1edf nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng, nh\u01b0 h\u1ee3p kim titan nh\u1ea5t \u0111\u1ecbnh v\u00e0 si\u00eau h\u1ee3p kim d\u1ef1a tr\u00ean nickel.<\/p>\n

Gia c\u00f4ng n\u00f3ng gi\u00fap tinh ch\u1ec9nh c\u1ea5u tr\u00fac h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u, l\u00e0m l\u00e0nh c\u00e1c l\u1ed7 r\u1ed7ng v\u00e0 t\u1ea1o ra d\u00f2ng ch\u1ea3y h\u1ea1t thu\u1eadn l\u1ee3i, n\u00e2ng cao \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 d\u1ebbo dai. Tuy nhi\u00ean, nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 g\u00e2y ra l\u1edbp oxit tr\u00ean b\u1ec1 m\u1eb7t, c\u1ea7n ph\u1ea3i lo\u1ea1i b\u1ecf. \u0110\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn gia c\u00f4ng n\u00f3ng th\u01b0\u1eddng kh\u00f4ng ch\u1eb7t ch\u1ebd b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p d\u1eadp n\u00f3ng ho\u1eb7c gia c\u00f4ng c\u01a1 kh\u00ed, th\u01b0\u1eddng y\u00eau c\u1ea7u c\u00e1c b\u01b0\u1edbc gia c\u00f4ng ph\u1ee5 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng v\u00e0 b\u1ec1 m\u1eb7t ho\u00e0n thi\u1ec7n ch\u00ednh x\u00e1c.<\/p>\n

Gia c\u00f4ng CNC<\/h3>\n

Gia c\u00f4ng CNC (\u0110i\u1ec1u khi\u1ec3n s\u1ed1 b\u1eb1ng m\u00e1y t\u00ednh) l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh gia c\u00f4ng tr\u1eeb b\u1ecf. N\u00f3 b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t thanh ho\u1eb7c kh\u1ed1i v\u1eadt li\u1ec7u r\u1eafn v\u00e0 s\u1eed d\u1ee5ng c\u00e1c d\u1ee5ng c\u1ee5 c\u1eaft \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng m\u00e1y t\u00ednh\u2014tr\u00ean c\u00e1c m\u00e1y nh\u01b0 m\u00e1y ti\u1ec7n, m\u00e1y phay v\u00e0 m\u00e1y m\u00e0i\u2014\u0111\u1ec3 lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c cu\u1ed1i c\u00f9ng.<\/p>\n

\u01afu \u0111i\u1ec3m v\u01b0\u1ee3t tr\u1ed9i c\u1ee7a gia c\u00f4ng CNC l\u00e0 kh\u1ea3 n\u0103ng s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c k\u00edch th\u01b0\u1edbc c\u1ef1c k\u1ef3 ch\u1eb7t ch\u1ebd v\u00e0 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p cao m\u00e0 kh\u00f4ng th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p d\u1eadp ho\u1eb7c gia c\u00f4ng. \u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn cho c\u00e1c m\u1eabu th\u1eed, c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t nh\u1ecf v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 \u0111\u1eb7c \u0111i\u1ec3m ph\u1ee9c t\u1ea1p. Nh\u1eefng \u0111i\u1ec3m \u0111\u00e1nh \u0111\u1ed5i ch\u00ednh l\u00e0 t\u1ed1c \u0111\u1ed9 s\u1ea3n xu\u1ea5t ch\u1eadm h\u01a1n v\u00e0 l\u01b0\u1ee3ng ph\u1ebf li\u1ec7u (swarf) l\u1edbn h\u01a1n so v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh d\u1eadp. Quan tr\u1ecdng l\u00e0, gia c\u00f4ng c\u1eaft xuy\u00ean qua d\u00f2ng ch\u1ea3y h\u1ea1t t\u1ef1 nhi\u00ean c\u1ee7a v\u1eadt li\u1ec7u. Trong khi ph\u1ea7n s\u1ea3n ph\u1ea9m m\u1ea1nh m\u1ebd, c\u1ea5u tr\u00fac h\u1ea1t b\u1ecb c\u1eaft \u0111\u1ee9t n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb h\u01b0 h\u1ecfng m\u1ecfi d\u01b0\u1edbi m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n t\u1ea3i so v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c gia c\u00f4ng ho\u1eb7c d\u1eadp \u0111\u00fang c\u00e1ch.<\/p>\n

L\u1ef1a ch\u1ecdn Ph\u01b0\u01a1ng ph\u00e1p Ph\u00f9 h\u1ee3p<\/h3>\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn quy tr\u00ecnh s\u1ea3n xu\u1ea5t kh\u00f4ng ph\u1ea3i l\u00e0 t\u00f9y \u00fd. \u0110\u00f3 l\u00e0 quy\u1ebft \u0111\u1ecbnh c\u00f3 t\u00ednh to\u00e1n d\u1ef1a tr\u00ean kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t, \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a chi ti\u1ebft, l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u v\u00e0 hi\u1ec7u su\u1ea5t c\u01a1 h\u1ecdc y\u00eau c\u1ea7u. B\u1ea3ng so s\u00e1nh k\u1ef9 thu\u1eadt sau \u0111\u00e2y s\u1ebd h\u01b0\u1edbng d\u1eabn quy\u1ebft \u0111\u1ecbnh n\u00e0y.<\/p>\n\n\n\n\n\n\n\n\n\n
Y\u1ebfu t\u1ed1<\/strong><\/td>\nD\u1eadp N\u00f3ng<\/strong><\/td>\nR\u00e8n n\u00f3ng<\/strong><\/td>\nGia c\u00f4ng CNC<\/strong><\/td>\n<\/tr>\n
Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t<\/strong><\/td>\nCao<\/td>\nTrung b\u00ecnh \u0111\u1ebfn Cao<\/td>\nTh\u1ea5p \u0111\u1ebfn Trung b\u00ecnh<\/td>\n<\/tr>\n
\u0110\u1ed9 ph\u1ee9c t\u1ea1p h\u00ecnh h\u1ecdc<\/strong><\/td>\nTh\u1ea5p \u0111\u1ebfn Trung b\u00ecnh<\/td>\nTrung b\u00ecnh \u0111\u1ebfn Cao<\/td>\nR\u1ea5t cao<\/td>\n<\/tr>\n
Ch\u1ea5t th\u1ea3i v\u1eadt li\u1ec7u<\/strong><\/td>\nR\u1ea5t th\u1ea5p<\/td>\nTh\u1ea5p \u0111\u1ebfn Trung b\u00ecnh<\/td>\nCao<\/td>\n<\/tr>\n
\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc<\/strong><\/td>\nXu\u1ea5t s\u1eafc (d\u00f2ng ch\u1ea3y h\u1ea1t kh\u00f4ng b\u1ecb gi\u00e1n \u0111o\u1ea1n)<\/td>\nR\u1ea5t T\u1ed1t (c\u1ea5u tr\u00fac h\u1ea1t tinh ch\u1ec9nh)<\/td>\nT\u1ed1t (d\u00f2ng ch\u1ea3y h\u1ea1t b\u1ecb c\u1eaft \u0111\u1ee9t)<\/td>\n<\/tr>\n
Dung sai k\u00edch th\u01b0\u1edbc<\/strong><\/td>\nT\u1ed1t, c\u1ea7n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd<\/td>\nKh\u00e1, th\u01b0\u1eddng c\u1ea7n gia c\u00f4ng ph\u1ee5<\/td>\nXu\u1ea5t s\u1eafc<\/td>\n<\/tr>\n
\u1ee8ng d\u1ee5ng l\u00fd t\u01b0\u1edfng<\/strong><\/td>\nS\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u00e1c b\u1ed9 ph\u1eadn \u00f4 t\u00f4, bu l\u00f4ng ti\u00eau chu\u1ea9n trong ng\u00e0nh h\u00e0ng kh\u00f4ng<\/td>\nBu l\u00f4ng c\u1ea5u tr\u00fac l\u1edbn, c\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1 ph\u1ee9c t\u1ea1p<\/td>\nM\u1eabu th\u1eed, c\u1ea5y gh\u00e9p y t\u1ebf ph\u1ee9c t\u1ea1p cao, c\u00e1c b\u1ed9 ph\u1eadn si\u00eau ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Khoa h\u1ecdc v\u1ec1 \u0111\u1ed9 b\u1ec1n<\/h2>\n

Hi\u1ec7u su\u1ea5t \u0111\u1eb7c bi\u1ec7t c\u1ee7a c\u00e1c ph\u1ee5 ki\u1ec7n nhanh \u0111\u1eb7c bi\u1ec7t b\u1eaft ngu\u1ed3n t\u1eeb khoa h\u1ecdc v\u1eadt li\u1ec7u. Vi\u1ec7c ch\u1ecdn h\u1ee3p kim l\u00e0 m\u1ed9t ph\u00e9p t\u00ednh ch\u00ednh x\u00e1c, c\u00e2n b\u1eb1ng c\u00e1c \u0111\u1eb7c t\u00ednh nh\u01b0 \u0111\u1ed9 b\u1ec1n, tr\u1ecdng l\u01b0\u1ee3ng, kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng. Hi\u1ec3u bi\u1ebft v\u1ec1 kim lo\u1ea1i h\u1ecdc c\u1ee7a c\u00e1c v\u1eadt li\u1ec7u n\u00e0y l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 hi\u1ec3u kh\u1ea3 n\u0103ng c\u1ee7a ch\u00fang.<\/p>\n

Si\u00eau h\u1ee3p kim g\u1ed1c Niken<\/h3>\n

C\u00e1c h\u1ee3p kim nh\u01b0 Inconel, Waspaloy v\u00e0 Hastelloy l\u00e0 c\u00e1c v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn cho m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan. \u0110\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a ch\u00fang l\u00e0 kh\u1ea3 n\u0103ng duy tr\u00ec s\u1ee9c m\u1ea1nh c\u01a1 h\u1ecdc \u0111\u00e1ng k\u1ec3 v\u00e0 ch\u1ed1ng tr\u01b0\u1ee3t (xu h\u01b0\u1edbng bi\u1ebfn d\u1ea1ng ch\u1eadm d\u01b0\u1edbi \u00e1p l\u1ef1c) \u1edf nhi\u1ec7t \u0111\u1ed9 m\u00e0 th\u00e9p v\u00e0 titan s\u1ebd th\u1ea5t b\u1ea1i. H\u00e0m l\u01b0\u1ee3ng nickel cao cung c\u1ea5p m\u1ed9t ma tr\u1eadn austenit \u1ed5n \u0111\u1ecbnh, trong khi c\u00e1c nguy\u00ean t\u1ed1 nh\u01b0 cr\u00f4m v\u00e0 nh\u00f4m t\u1ea1o th\u00e0nh l\u1edbp oxit b\u1ea3o v\u1ec7 ch\u1ed1ng oxy h\u00f3a v\u00e0 \u0103n m\u00f2n \u1edf nhi\u1ec7t \u0111\u1ed9 cao. C\u00e1c nguy\u00ean t\u1ed1 kh\u00e1c, nh\u01b0 molybden, niobium v\u00e0 titan, t\u1ea1o th\u00e0nh c\u00e1c k\u1ebft t\u1ee7a t\u0103ng c\u01b0\u1eddng trong c\u1ea5u tr\u00fac h\u1ea1t, c\u1ea3n tr\u1edf s\u1ef1 di chuy\u1ec3n c\u1ee7a dislocation, l\u00e0 c\u01a1 ch\u1ebf c\u1ee7a bi\u1ebfn d\u1ea1ng d\u1ebbo. \u0110i\u1ec1u n\u00e0y khi\u1ebfn ch\u00fang kh\u00f4ng th\u1ec3 thi\u1ebfu cho c\u00e1c bu l\u00f4ng, \u1ed1c v\u00edt s\u1eed d\u1ee5ng trong c\u00e1c ph\u1ea7n n\u00f3ng c\u1ee7a \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c, tuabin kh\u00ed v\u00e0 thi\u1ebft b\u1ecb x\u1eed l\u00fd h\u00f3a ch\u1ea5t.<\/p>\n

\"C\u1eadn <\/p>\n

H\u1ee3p kim Titan<\/h3>\n

H\u1ee3p kim titan ph\u1ed5 bi\u1ebfn nh\u1ea5t, Ti-6Al-4V (Lo\u1ea1i 5), l\u00e0 v\u1eadt li\u1ec7u ch\u00ednh trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 y t\u1ebf. \u0110\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a n\u00f3 l\u00e0 t\u1ef7 l\u1ec7 c\u01b0\u1eddng \u0111\u1ed9 tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng \u0111\u00e1ng ch\u00fa \u00fd, mang l\u1ea1i \u0111\u1ed9 b\u1ec1n c\u1ee7a nhi\u1ec1u lo\u1ea1i th\u00e9p v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng g\u1ea7n b\u1eb1ng m\u1ed9t n\u1eeda. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng t\u1ed5ng th\u1ec3 c\u1ee7a khung m\u00e1y bay v\u00e0 c\u00e1c c\u1ea5u tr\u00fac quan tr\u1ecdng kh\u00e1c v\u1ec1 hi\u1ec7u su\u1ea5t. Titan c\u0169ng th\u1ec3 hi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u01b0\u1ee3t tr\u1ed9i, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc mu\u1ed1i v\u00e0 nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t c\u00f4ng nghi\u1ec7p, nh\u1edd v\u00e0o s\u1ef1 h\u00ecnh th\u00e0nh c\u1ee7a m\u1ed9t l\u1edbp m\u00e0ng oxit \u1ed5n \u0111\u1ecbnh, th\u1ee5 \u0111\u1ed9ng tr\u00ean b\u1ec1 m\u1eb7t. T\u1eeb g\u00f3c \u0111\u1ed9 s\u1ea3n xu\u1ea5t, ch\u00fang ta ph\u1ea3i t\u00ednh \u0111\u1ebfn xu h\u01b0\u1edbng g\u00e2y k\u1eb9t (m\u1ed9t d\u1ea1ng m\u00e0i m\u00f2n do s\u1ef1 d\u00ednh k\u1ebft gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t tr\u01b0\u1ee3t). \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt gia c\u00f4ng \u0111\u1eb7c bi\u1ec7t, h\u00ecnh d\u1ea1ng d\u1ee5ng c\u1ee5 c\u1eaft c\u1ee5 th\u1ec3 v\u00e0 th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 hi\u1ec7u su\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o l\u1eafp r\u00e1p tr\u01a1n tru v\u00e0 ng\u0103n ch\u1eb7n k\u1eb9t ren.<\/p>\n

Th\u00e9p cao c\u1ea5p v\u00e0 \u0111\u1eb7c bi\u1ec7t<\/h3>\n

Danh m\u1ee5c n\u00e0y bao g\u1ed3m m\u1ed9t lo\u1ea1t h\u1ee3p kim s\u1eaft c\u00f3 hi\u1ec7u su\u1ea5t cao. Th\u00e9p kh\u00f4ng g\u1ec9 c\u1ee9ng h\u00f3a k\u1ebft tinh (PH), nh\u01b0 17-4 PH, \u0111\u1eb7c bi\u1ec7t c\u00f3 gi\u00e1 tr\u1ecb. Ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t c\u1ee7a th\u00e9p kh\u00f4ng g\u1ec9 austenit trong tr\u1ea1ng th\u00e1i ti\u1ec1n x\u1eed l\u00fd, gi\u00fap d\u1ec5 gia c\u00f4ng. Sau khi ch\u1ebf t\u1ea1o, nhi\u1ec7t \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p gia c\u00f4ng nhi\u1ec7t<\/a> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u201cl\u00e3o h\u00f3a\u201d v\u1eadt li\u1ec7u, g\u00e2y ra s\u1ef1 k\u1ebft t\u1ee7a c\u1ee7a c\u00e1c h\u1ea1t t\u0103ng c\u01b0\u1eddng trong ma tr\u1eadn th\u00e9p. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn m\u1ed9t b\u1ed9 ph\u1eadn cu\u1ed1i c\u00f9ng c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng r\u1ea5t cao. C\u00e1c h\u1ee3p kim kh\u00e1c, nh\u01b0 A-286, l\u00e0 h\u1ee3p kim si\u00eau b\u1ec1n d\u1ef1a tr\u00ean s\u1eaft, cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxi h\u00f3a \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 700\u00b0C, thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa th\u00e9p kh\u00f4ng g\u1ec9 v\u00e0 c\u00e1c h\u1ee3p kim si\u00eau b\u1ec1n d\u1ef1a tr\u00ean nickel \u0111\u1eaft ti\u1ec1n h\u01a1n. Nh\u1eefng v\u1eadt li\u1ec7u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a b\u00e1nh xe \u0111\u00e1p, van ch\u1ecbu \u00e1p su\u1ea5t cao v\u00e0 h\u1ec7 th\u1ed1ng t\u0103ng \u00e1p \u00f4 t\u00f4.<\/p>\n

H\u01b0\u1edbng D\u1eabn \u1ee8ng D\u1ee5ng V\u1eadt Li\u1ec7u<\/h3>\n

B\u1ea3ng tra c\u1ee9u nhanh n\u00e0y gi\u00fap k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf k\u1ebft n\u1ed1i \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a ch\u00fang.<\/p>\n\n\n\n\n\n\n\n
V\u1eadt li\u1ec7u<\/strong><\/td>\nC\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh<\/strong><\/td>\nNhi\u1ec7t \u0111\u1ed9 t\u1ed1i \u0111a c\u1ee7a d\u1ecbch v\u1ee5 (Kho\u1ea3ng)<\/strong><\/td>\n\u1ee8ng d\u1ee5ng ch\u00ednh<\/strong><\/td>\n<\/tr>\n
Inconel 718<\/strong><\/td>\n\u0110\u1ed9 b\u1ec1n cao, ch\u1ed1ng tr\u01b0\u1ee3t v\u00e0 \u0103n m\u00f2n<\/td>\n~700\u00b0C (1300\u00b0F)<\/td>\nC\u00e1c b\u1ed9 ph\u1eadn \u0111\u1ed9ng c\u01a1 ph\u1ea3n l\u1ef1c, t\u00ean l\u1eeda<\/td>\n<\/tr>\n
Titan (Ti-6Al-4V)<\/strong><\/td>\nT\u1ef7 l\u1ec7 c\u01b0\u1eddng \u0111\u1ed9 tr\u00ean tr\u1ecdng l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch sinh h\u1ecdc<\/td>\n~425\u00b0C (800\u00b0F)<\/td>\nKhung m\u00e1y bay h\u00e0ng kh\u00f4ng, c\u1ea5y gh\u00e9p y t\u1ebf<\/td>\n<\/tr>\n
A-286 Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td>\n\u0110\u1ed9 b\u1ec1n t\u1ed1t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng oxy h\u00f3a<\/td>\n~700\u00b0C (1300\u00b0F)<\/td>\nC\u1ed5 g\u00f3p kh\u00ed x\u1ea3, b\u00e1nh xe turbine<\/td>\n<\/tr>\n
17-4 PH Th\u00e9p kh\u00f4ng g\u1ec9<\/strong><\/td>\n\u0110\u1ed9 b\u1ec1n cao, kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t, c\u00f3 th\u1ec3 t\u00f4i luy\u1ec7n<\/td>\n~315\u00b0C (600\u00b0F)<\/td>\nVan, b\u00e1nh r\u0103ng, b\u1ed9 ph\u1eadn b\u00e1nh \u0111\u00e1p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ch\u00ednh x\u00e1c v\u00e0 Hi\u1ec7u su\u1ea5t<\/h2>\n

Sau qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh ban \u0111\u1ea7u ho\u1eb7c gia c\u00f4ng, m\u1ed9t b\u1ed9 ph\u1eadn b\u1eaft v\u00edt v\u1eabn c\u00f2n xa m\u1edbi ho\u00e0n thi\u1ec7n. M\u1ed9t chu\u1ed7i c\u00e1c thao t\u00e1c ph\u1ee5 quan tr\u1ecdng c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra c\u00e1c k\u00edch th\u01b0\u1edbc cu\u1ed1i c\u00f9ng, \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a n\u00f3.<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p ren v\u01b0\u1ee3t tr\u1ed9i<\/h3>\n

Ph\u01b0\u01a1ng ph\u00e1p d\u00f9ng \u0111\u1ec3 t\u1ea1o ren l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd m\u1ec7t m\u1ecfi c\u1ee7a b\u1ed9 b\u1eaft v\u00edt. Hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh l\u00e0 c\u00e1n v\u00e0 c\u1eaft.<\/p>\n

C\u00e1n ren<\/a> l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u1ea1o h\u00ecnh ngu\u1ed9i trong \u0111\u00f3 ph\u00f4i b\u1eaft v\u00edt \u0111\u01b0\u1ee3c c\u00e1n gi\u1eefa c\u00e1c khu\u00f4n th\u00e9p \u0111\u00e3 t\u00f4i c\u1ee9ng, \u00e9p h\u00ecnh d\u1ea1ng ren v\u00e0o v\u1eadt li\u1ec7u. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea9y d\u1ecbch chuy\u1ec3n kim lo\u1ea1i thay v\u00ec lo\u1ea1i b\u1ecf n\u00f3, t\u1ea1o ra d\u00f2ng h\u1ea1t theo \u0111\u01b0\u1eddng vi\u1ec1n c\u1ee7a ren. K\u1ebft h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng su\u1ea5t d\u01b0 n\u00e9n sinh ra t\u1ea1i g\u1ed1c ren, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u0103ng \u0111\u00e1ng k\u1ec3 kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi c\u1ee7a b\u1ed9 b\u1eaft v\u00edt. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u su\u1ea5t cao v\u00e0 quan tr\u1ecdng, c\u00e1n ren l\u00e0 ph\u01b0\u01a1ng ph\u00e1p b\u1eaft bu\u1ed9c v\u00e0 v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n

C\u1eaft ren s\u1eed d\u1ee5ng d\u1ee5ng c\u1ee5 c\u1eaft \u0111\u1ec3 gia c\u00f4ng ren, lo\u1ea1i b\u1ecf v\u1eadt li\u1ec7u t\u1eeb ph\u00f4i. M\u1eb7c d\u00f9 c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra ren ch\u00ednh x\u00e1c r\u1ea5t cao, qu\u00e1 tr\u00ecnh n\u00e0y c\u1eaft \u0111\u1ee9t d\u00f2ng h\u1ea1t c\u1ee7a v\u1eadt li\u1ec7u, t\u1ea1o ra c\u00e1c \u0111i\u1ec3m t\u0103ng \u1ee9ng su\u1ea5t t\u1ea1i g\u1ed1c ren c\u00f3 th\u1ec3 l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u c\u1ee7a c\u00e1c v\u1ebft n\u1ee9t m\u1ecfi. C\u1eaft ren th\u01b0\u1eddng d\u00e0nh cho c\u00e1c m\u1eabu th\u1eed, c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t nh\u1ecf ho\u1eb7c c\u00e1c v\u1eadt li\u1ec7u qu\u00e1 c\u1ee9ng \u0111\u1ec3 c\u00e1n hi\u1ec7u qu\u1ea3.<\/p>\n

\"\u1ed0c <\/p>\n

X\u1eed l\u00fd nhi\u1ec7t quan tr\u1ecdng<\/h3>\n

X\u1eed l\u00fd nhi\u1ec7t l\u00e0 trung t\u00e2m c\u1ee7a hi\u1ec7u su\u1ea5t b\u1ed9 b\u1eaft v\u00edt, bi\u1ebfn m\u1ed9t b\u1ed9 ph\u1eadn m\u1ec1m v\u00e0 d\u1ec5 gia c\u00f4ng th\u00e0nh m\u1ed9t th\u00e0nh ph\u1ea7n c\u00f3 \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 c\u1ee9ng cao y\u00eau c\u1ea7u. \u0110\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh khoa h\u1ecdc cao \u0111\u00f2i h\u1ecfi ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c. C\u00e1c quy tr\u00ecnh c\u1ee5 th\u1ec3 bao g\u1ed3m:<\/p>\n