{"id":86369,"date":"2025-08-15T13:52:00","date_gmt":"2025-08-15T06:52:00","guid":{"rendered":"https:\/\/tcvn.gov.vn\/?p=86369"},"modified":"2026-05-14T11:12:32","modified_gmt":"2026-05-14T04:12:32","slug":"tieu-chuan-moi-duoc-de-xuat-cho-nguyen-lieu-dang-bot","status":"publish","type":"post","link":"https:\/\/tcvn.gov.vn\/tieu-chuan-moi-duoc-de-xuat-cho-nguyen-lieu-dang-bot\/15\/08\/2025\/","title":{"rendered":"Ti\u00eau chu\u1ea9n m\u1edbi \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t cho nguy\u00ean li\u1ec7u d\u1ea1ng b\u1ed9t"},"content":{"rendered":"\n

H\u01b0\u1edbng d\u1eabn \u0111\u1ec1 xu\u1ea5t s\u1ebd x\u00e1c \u0111\u1ecbnh v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp.<\/strong><\/p>\n\n\n

\u1ee6y ban C\u00f4ng ngh\u1ec7 S\u1ea3n xu\u1ea5t Ph\u1ee5 gia c\u1ee7a ASTM International (F42) hi\u1ec7n \u0111ang ph\u00e1t tri\u1ec3n m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec1 xu\u1ea5t mang m\u00e3 hi\u1ec7u WK80171. Ti\u00eau chu\u1ea9n n\u00e0y nh\u1eb1m cung c\u1ea5p h\u01b0\u1edbng d\u1eabn trong vi\u1ec7c l\u1ef1a ch\u1ecdn c\u00e1c k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t hi\u1ec7n, \u0111\u1ecbnh l\u01b0\u1ee3ng v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c t\u1ea1p ch\u1ea5t ti\u1ec1m \u1ea9n trong nguy\u00ean li\u1ec7u b\u1ed9t d\u00f9ng cho s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp (Additive Manufacturing \u2013 AM). Khi \u0111\u01b0\u1ee3c ban h\u00e0nh, ti\u00eau chu\u1ea9n s\u1ebd tr\u1edf th\u00e0nh t\u00e0i li\u1ec7u tham kh\u1ea3o h\u1eefu \u00edch cho c\u1ea3 nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9t kim lo\u1ea1i l\u1eabn ng\u01b0\u1eddi s\u1eed d\u1ee5ng ch\u00fang trong quy tr\u00ecnh AM.<\/p>\n

Ti\u00eau chu\u1ea9n WK80171 \u0111ang \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u01b0\u1edbi s\u1ef1 d\u1eabn d\u1eaft c\u1ee7a ti\u1ec3u ban v\u1ec1 ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m (F42.01), tr\u1ef1c thu\u1ed9c \u1ee6y ban F42.<\/p>\n\n\n

\"\"
\u1ea2nh minh h\u1ecda.<\/em><\/strong><\/figcaption><\/figure><\/div>\n\n\n

Theo b\u00e0 Aneta Chrostek-Mroz, th\u00e0nh vi\u00ean ASTM v\u00e0 l\u00e0 k\u1ef9 s\u01b0 nghi\u00ean c\u1ee9u ti\u00ean ti\u1ebfn t\u1ea1i Trung t\u00e2m C\u00f4ng ngh\u1ec7 S\u1ea3n xu\u1ea5t, ti\u00eau chu\u1ea9n n\u00e0y s\u1ebd x\u00e1c \u0111\u1ecbnh c\u00e1c lo\u1ea1i t\u1ea1p ch\u1ea5t c\u00f3 kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i trong b\u1ed9t kim lo\u1ea1i s\u1eed d\u1ee5ng cho quy tr\u00ecnh nung ch\u1ea3y b\u1ed9t b\u1eb1ng laser (Laser-Based Powder Bed Fusion \u2013 LB-PBF). Ngo\u00e0i ra, t\u00e0i li\u1ec7u c\u0169ng s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ph\u00e1t hi\u1ec7n t\u1ea1p ch\u1ea5t, c\u0169ng nh\u01b0 h\u01b0\u1edbng d\u1eabn c\u00e1ch tri\u1ec3n khai th\u1eed nghi\u1ec7m \u0111\u1ec3 nh\u1eadn di\u1ec7n th\u00e0nh c\u00f4ng c\u00e1c t\u1ea1p ch\u1ea5t trong b\u1ed9t kim lo\u1ea1i d\u00f9ng cho LB-PBF.<\/p>\n

Chrostek-Mroz cho bi\u1ebft: \u201cTi\u00eau chu\u1ea9n n\u00e0y s\u1ebd gi\u00fap c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t b\u1ed9t v\u00e0 ng\u01b0\u1eddi v\u1eadn h\u00e0nh m\u00e1y in 3D c\u00f3 th\u1ec3: x\u00e1c \u0111\u1ecbnh c\u00e1c k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ecbnh l\u01b0\u1ee3ng nhi\u1ec1u lo\u1ea1i t\u1ea1p ch\u1ea5t kh\u00e1c nhau; ph\u00e2n lo\u1ea1i c\u00e1c t\u1ea1p ch\u1ea5t n\u00e0y; ti\u1ebfn h\u00e0nh \u0111\u00e1nh gi\u00e1 m\u1ee9c \u0111\u1ed9 t\u1ea1p ch\u1ea5t trong c\u1ea3 b\u1ed9t nguy\u00ean sinh v\u00e0 b\u1ed9t \u0111\u00e3 qua s\u1eed d\u1ee5ng\u201d.<\/p>\n

Nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p th\u1eed nghi\u1ec7m hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u1eb1m ki\u1ec3m ch\u1ee9ng hi\u1ec7u qu\u1ea3 v\u00e0 m\u1ee9c \u0111\u1ed9 ph\u00f9 h\u1ee3p trong vi\u1ec7c ph\u00e1t hi\u1ec7n c\u00e1c lo\u1ea1i v\u00e0 h\u00e0m l\u01b0\u1ee3ng t\u1ea1p ch\u1ea5t kh\u00e1c nhau c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i trong nguy\u00ean li\u1ec7u b\u1ed9t kim lo\u1ea1i s\u1eed d\u1ee5ng cho AM. C\u00e1c k\u1ef9 thu\u1eadt bao g\u1ed3m: k\u00ednh hi\u1ec3n vi quang h\u1ecdc, k\u00ednh hi\u1ec3n vi \u0111i\u1ec7n t\u1eed qu\u00e9t t\u1ef1 \u0111\u1ed9ng, ch\u1ee5p c\u1eaft l\u1edbp vi t\u00ednh b\u1eb1ng tia X (X-ray CT), v\u00e0 quang ph\u1ed5 hu\u1ef3nh quang tia X (XRF).<\/p>\n

H\u1ed3ng V\u00e2n<\/strong><\/p>","protected":false},"excerpt":{"rendered":"

H\u01b0\u1edbng d\u1eabn \u0111\u1ec1 xu\u1ea5t s\u1ebd x\u00e1c \u0111\u1ecbnh v\u00e0 ph\u00e2n lo\u1ea1i c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m trong s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp. \u1ee6y ban C\u00f4ng ngh\u1ec7 S\u1ea3n xu\u1ea5t Ph\u1ee5 gia c\u1ee7a ASTM International (F42) hi\u1ec7n \u0111ang ph\u00e1t tri\u1ec3n m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u1ec1 xu\u1ea5t mang m\u00e3 hi\u1ec7u WK80171. Ti\u00eau chu\u1ea9n n\u00e0y nh\u1eb1m cung c\u1ea5p h\u01b0\u1edbng d\u1eabn trong vi\u1ec7c […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[32,59,22],"tags":[],"acf":{"linh-vuc":"Ti\u00eau chu\u1ea9n"},"_links":{"self":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/86369"}],"collection":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/comments?post=86369"}],"version-history":[{"count":4,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/86369\/revisions"}],"predecessor-version":[{"id":90850,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/posts\/86369\/revisions\/90850"}],"wp:attachment":[{"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/media?parent=86369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/categories?post=86369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tcvn.gov.vn\/wp-json\/wp\/v2\/tags?post=86369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}