{"id":26417,"date":"2021-01-25T20:07:08","date_gmt":"2021-01-25T13:07:08","guid":{"rendered":"https:\/\/ttud.com.vn\/?p=26417"},"modified":"2021-01-25T20:07:12","modified_gmt":"2021-01-25T13:07:12","slug":"nghien-cuu-cong-nghe-che-tao-bac-hop-kim-dong-graphite-su-dung-trong-nganh-can-thep","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nghien-cuu-cong-nghe-che-tao-bac-hop-kim-dong-graphite-su-dung-trong-nganh-can-thep\/","title":{"rendered":"Nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – Graphite s\u1eed d\u1ee5ng trong ng\u00e0nh c\u00e1n th\u00e9p"},"content":{"rendered":"\n

Hi\u1ec7n nay, lo\u1ea1i b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite d\u1ea1ng \u0111\u00fac \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u00e1n th\u00e9p tr\u00ean th\u1ebf gi\u1edbi v\u00e0 nhu c\u1ea7u thay th\u1ebf lo\u1ea1i b\u1ea1c n\u00e0y \u1edf Vi\u1ec7t Nam \u0111ang tr\u1edf n\u00ean c\u1ea5p thi\u1ebft. V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o lo\u1ea1i b\u1ea1c n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 r\u1ed9ng r\u00e3i n\u00ean vi\u1ec7c n\u1ed9i \u0111\u1ecba h\u00f3a lo\u1ea1i b\u1ea1c \u0111\u1ed3ng – graphite \u0111\u00fac \u1edf n\u01b0\u1edbc ta \u0111ang g\u1eb7p r\u1ea5t nhi\u1ec1u kh\u00f3 kh\u0103n, \u0111\u1eb7c bi\u1ec7t l\u00e0 vai tr\u00f2 v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a graphite t\u1edbi kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n v\u00e0 n\u00e2ng cao tu\u1ed5i th\u1ecd l\u00e0m vi\u1ec7c cho b\u1ea1c \u0111\u1ed3ng – graphite \u0111\u00fac v\u00e0 l\u1ef1a ch\u1ecdn lo\u1ea1i h\u1ee3p kim \u0111\u1ed3ng ph\u00f9 h\u1ee3p cho t\u1eebng \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

\"\"\/<\/figure>\n\n\n\n

Trong c\u00e1c nh\u00e0 m\u00e1y c\u00e1n th\u00e9p trong n\u01b0\u1edbc, nhu c\u1ea7u thay th\u1ebf c\u00e1c s\u1ea3n ph\u1ea9m b\u1ea1c ch\u1ecbu m\u00e0i m\u00f2n t\u1eeb h\u1ee3p kim \u0111\u1ed3ng r\u1ea5t l\u1edbn. T\u00f9y theo y\u00eau c\u1ea7u l\u00e0m vi\u1ec7c m\u00e0 c\u1ea7n c\u00e1c lo\u1ea1i b\u1ea1c t\u01b0\u01a1ng th\u00edch. Nh\u01b0 \u1edf c\u00e1c v\u1ecb tr\u00ed \u0111\u1ea7u c\u00e1c tr\u1ee5c con l\u0103n, \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c kh\u1eafc nghi\u1ec7t: t\u1ea3i tr\u1ecdng l\u1edbn, nhi\u1ec7t \u0111\u1ed9 cao, b\u1ee5i b\u1ea9n nhi\u1ec1u. Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c c\u00f3 l\u00fac l\u00ean \u0111\u1ebfn 300-400 \u0111\u1ed9 C, \u0111i\u1ec1u n\u00e0y l\u00e0m cho c\u00e1c lo\u1ea1i d\u1ea7u b\u00f4i tr\u01a1n c\u00f3 th\u1ec3 b\u1ecb b\u1ed1c ch\u00e1y, ho\u1eb7c kh\u00f4ng c\u00f2n kh\u1ea3 n\u0103ng b\u00f4i tr\u01a1n. \u0110\u1ec3 \u0111\u00e1p \u1ee9ng \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c n\u00e0y, b\u1ea1c \u0111\u1ed3ng c\u1ea7n c\u00f3 th\u00eam t\u00ednh ch\u1ea5t t\u1ef1 b\u00f4i tr\u01a1n, t\u1ee9c l\u00e0 khi l\u00e0m vi\u1ec7c, b\u1ea3n th\u00e2n n\u00f3 ph\u1ea3i ti\u1ebft ra c\u00e1c ch\u1ea5t b\u00f4i tr\u01a1n ch\u00ednh n\u00f3, thay v\u00ec \u0111\u01b0\u1ee3c b\u00f4i tr\u01a1n trong d\u1ea7u m\u1ee1 th\u00f4ng th\u01b0\u1eddng.<\/p>\n\n\n\n

Trong d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t th\u00e9p c\u1ee7a C\u00f4ng ty C\u00e1n th\u00e9p L\u01b0u X\u00e1, l\u01b0\u1ee3ng b\u1ea1c t\u1ef1 b\u00f4i tr\u01a1n lo\u1ea1i n\u00e0y \u0111\u01b0\u1ee3c thay th\u1ebf theo \u0111\u1ecbnh k\u00ec, c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn h\u00e0ng tr\u0103m chi ti\u1ebft\/n\u0103m. Hi\u1ec7n t\u1ea1i b\u1ea1c t\u1ef1 b\u00f4i tr\u01a1n \u0111\u01a1n v\u1ecb \u0111\u1ec1u ph\u1ea3i nh\u1eadp kh\u1ea9u m\u1edbi \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c ch\u1ea5t l\u01b0\u1ee3ng.<\/p>\n\n\n\n

C\u00f4ng ty C\u01a1 kh\u00ed ch\u00ednh x\u00e1c Thi\u00ean An, \u0111\u01a1n v\u1ecb chuy\u00ean cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m c\u01a1 kh\u00ed h\u1ed7 tr\u1ee3 c\u00f4ng nghi\u1ec7p c\u00e1n th\u00e9p c\u00f3 nh\u1eadn \u0111\u01b0\u1ee3c nhi\u1ec1u y\u00eau c\u1ea7u \u0111\u1eb7t h\u00e0ng b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite \u0111\u1ec3 thay th\u1ebf cho d\u00e0n b\u1ea1c \u0111\u1ea7u tr\u1ee5c c\u00e1n t\u1eeb ph\u00eda c\u00f4ng ty th\u00e9p H\u00f2a Ph\u00e1t. Hi\u1ec7n c\u0169ng \u0111ang kh\u00f3 kh\u0103n v\u1ec1 c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o lo\u1ea1i b\u1ea1c tr\u00ean.<\/p>\n\n\n\n

D\u1ef1a v\u00e0o \u0111i\u1ec1u ki\u1ec7n l\u00e0m vi\u1ec7c, c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ea1c v\u00e0 d\u1ef1a tr\u00ean th\u1ef1c t\u1ebf b\u1ea1c nh\u1eadp kh\u1ea9u, \u0111\u00e3 kh\u1eb3ng \u0111\u1ecbnh b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb hai v\u1eadt li\u1ec7u ch\u00ednh: b\u1ea1c \u0111\u1ed3ng d\u1ea1ng \u0111\u00fac k\u1ebft h\u1ee3p c\u00e1c l\u1ed7 g\u1eafn graphit. B\u1ea1c \u0111\u1ed3ng \u0111\u00fac k\u1ebft h\u1ee3p nhi\u1ec7t luy\u1ec7n m\u1edbi c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 c\u1ee9ng 240-260HB, graphite c\u00f3 t\u00e1c d\u1ee5ng b\u00f4i tr\u01a1n. Tuy nhi\u00ean trong qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c n\u1ebfu l\u01b0\u1ee3ng graphite ti\u1ebft ra qu\u00e1 \u00edt ho\u1eb7c qu\u00e1 nhi\u1ec1u th\u00ec \u0111\u1ec1u l\u00e0m cho tu\u1ed5i th\u1ecd c\u1ee7a b\u1ea1c b\u1ecb gi\u1ea3m.<\/p>\n\n\n\n

Xu\u1ea5t ph\u00e1t t\u1eeb th\u1ef1c t\u1ebf tr\u00ean, nh\u00f3m nghi\u00ean c\u1ee9u do C\u01a1 quan ch\u1ee7 tr\u00ec Vi\u1ec7n Khoa h\u1ecdc v\u00e0 C\u00f4ng ngh\u1ec7 M\u1ecf-Luy\u1ec7n kim c\u00f9ng ph\u1ed1i h\u1ee3p v\u1edbi Ch\u1ee7 nhi\u1ec7m \u0111\u1ec1 t\u00e0i Th.S. Nguy\u1ec5n Quang Hu\u1ef3nh<\/em><\/strong> th\u1ef1c hi\u1ec7n nghi\u00ean c\u1ee9u v\u1edbi m\u1ee5c ti\u00eau: X\u00e2y d\u1ef1ng quy tr\u00ecnh c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u00e1p \u1ee9ng nhu c\u1ea7u thay th\u1ebf h\u00e0ng ngo\u1ea1i nh\u1eadp; S\u1ea3n xu\u1ea5t ch\u1ebf t\u1ea1o m\u1ed9t s\u1ed1 s\u1ea3n ph\u1ea9m s\u1eed d\u1ee5ng t\u1ea1i Nh\u00e0 m\u00e1y C\u00e1n th\u00e9p L\u01b0u X\u00e1 – C\u00f4ng ty c\u1ed5 ph\u1ea7n Gang Th\u00e9p Th\u00e1i Nguy\u00ean, C\u00f4ng ty TNHH c\u01a1 kh\u00ed ch\u00ednh x\u00e1c Thi\u00ean An.<\/p>\n\n\n\n

Sau th\u1eddi gian nghi\u00ean c\u1ee9u, \u0111\u1ec1 t\u00e0i \u0111\u00e3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c nh\u1eefng k\u1ebft qu\u1ea3 nh\u01b0 sau:<\/em><\/p>\n\n\n\n

– L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u n\u1ec1n \u0111\u1ed3ng \u0111\u1ec3 ch\u1ebf t\u1ea1o b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite l\u00e0 h\u1ee3p kim BcuAl10Fe10Ni4Mn v\u1edbi ch\u1ebf \u0111\u1ed9 nhi\u1ec7t luy\u1ec7n t\u00f4i \u1edf nhi\u1ec7t \u0111\u1ed9 950 \u0111\u1ed9 C v\u1edbi th\u1eddi gian gi\u1eef nhi\u1ec7t l\u00e0 120 ph\u00fat cho ngu\u1ed9i trong m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc. B\u1ea1c sau t\u00f4i \u0111\u01b0\u1ee3c h\u00f3a gi\u00e0 \u1edf 600 \u0111\u1ed9 C trong kho\u1ea3ng th\u1eddi gian 30 ph\u00fat v\u00e0 ngu\u1ed9i c\u00f9ng l\u00f2<\/p>\n\n\n\n

 – \u0110\u01b0a ra qui tr\u00ecnh ch\u1ebf t\u1ea1o b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite \u0111\u1ea1t \u0111\u1ed9 c\u1ee9ng t\u1eeb 240 – 260 HB, \u0111\u1ed9 hao m\u00f2n < 150 mg v\u1edbi t\u1ea3i tr\u1ecdng 12N.<\/p>\n\n\n\n

– \u0110\u00e3 ch\u1ea1y th\u1eed nghi\u1ec7m 12 chi ti\u1ebft b\u1ea1c \u1edf nh\u00e0 m\u00e1y c\u00e1n th\u00e9p L\u01b0u X\u00e1, b\u00e1n \u0111\u01b0\u1ee3c 30 chi ti\u1ebft b\u1ea1c cho nh\u00e0 m\u00e1y n\u00e0y v\u1edbi gi\u00e1 tr\u1ecb h\u1ee3p \u0111\u1ed3ng l\u00e0 19.140.000 \u0111\u1ed3ng. S\u1ea3n xu\u1ea5t v\u00e0 cung c\u1ea5p 20 chi ti\u1ebft b\u1ea1c cho c\u00f4ng ty TNHH c\u01a1 kh\u00ed ch\u00ednh x\u00e1c Thi\u00ean An th\u1eed nghi\u1ec7m t\u1ea1i c\u00e1c nh\u00e0 m\u00e1y c\u00e1n th\u00e9p x\u00e2y d\u1ef1ng \u0111\u1ea1t k\u1ebft qu\u1ea3 t\u1ed1t. Th\u1eddi gian s\u1eed d\u1ee5ng 128 ng\u00e0y (v\u01b0\u1ee3t y\u00eau c\u1ea7u t\u1eeb ph\u00eda kh\u00e1ch h\u00e0ng), v\u1edbi gi\u00e1 th\u00e0nh ch\u1ec9 b\u1eb1ng 40% so v\u1edbi h\u00e0ng ngo\u1ea1i nh\u1eadp. Ch\u1ee7 \u0111\u1ed9ng v\u1ec1 c\u00f4ng ngh\u1ec7 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p gia c\u00f4ng ho\u00e0n thi\u1ec7n chi ti\u1ebft \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng thay th\u1ebf h\u00e0ng ngo\u1ea1i nh\u1eadp.<\/p>\n\n\n\n

– M\u1ed9t b\u00e0i b\u00e1o \u0111\u0103ng trong t\u1ea1p ch\u00ed Khoa h\u1ecdc v\u1eadt li\u1ec7u kim lo\u1ea1i th\u00e1ng 8<\/p>\n\n\n\n

– Trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n \u0111\u1ec1 t\u00e0i \u0111\u00e3 \u0111\u1ecbnh h\u01b0\u1edbng nghi\u00ean c\u1ee9u cho nh\u00f3m sinh vi\u00ean thu\u1ed9c b\u1ed9 m\u00f4n V\u1eadt li\u1ec7u & C\u00f4ng ngh\u1ec7 \u0110\u00fac, Vi\u1ec7n Khoa h\u1ecdc v\u00e0 k\u0129 thu\u1eadt v\u1eadt li\u1ec7u, \u0110\u1ea1i h\u1ecdc B\u00e1ch Khoa H\u00e0 N\u1ed9i l\u00e0m nghi\u00ean c\u1ee9u khoa h\u1ecdc v\u1edbi 1 ph\u1ea7n n\u1ed9i dung c\u1ee7a \u0111\u1ec1 t\u00e0i.<\/p>\n\n\n\n

\u0110\u1ec1 t\u00e0i n\u00e0y kh\u00f4ng ch\u1ec9 c\u00f3 \u00fd ngh\u0129a khoa h\u1ecdc m\u00e0 c\u00f2n c\u00f3 t\u00ednh th\u1ef1c t\u1ebf r\u1ea5t l\u1edbn trong vi\u1ec7c \u0111\u00e1p \u1ee9ng nhu c\u1ea7u b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite cho c\u00e1c nh\u00e0 m\u00e1y c\u00e1n trong n\u01b0\u1edbc thay th\u1ebf h\u00e0ng nh\u1eadp kh\u1ea9u. Ngo\u00e0i ra c\u00e1c k\u1ebft qu\u1ea3 c\u1ee7a \u0111\u1ec1 t\u00e0i c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 ch\u1ebf t\u1ea1o c\u00e1c chi ti\u1ebft kh\u00e1c cho ng\u00e0nh m\u1ecf, ng\u00e0nh nh\u1ef1a\u2026 nh\u1eb1m n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a chi ti\u1ebft.<\/p>\n\n\n\n

ngu\u1ed3n: vista.gov.vn<\/p>\n","protected":false},"excerpt":{"rendered":"

Hi\u1ec7n nay, lo\u1ea1i b\u1ea1c h\u1ee3p kim \u0111\u1ed3ng – graphite d\u1ea1ng \u0111\u00fac \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong ng\u00e0nh c\u00e1n th\u00e9p tr\u00ean th\u1ebf gi\u1edbi v\u00e0 nhu c\u1ea7u thay th\u1ebf lo\u1ea1i b\u1ea1c n\u00e0y \u1edf Vi\u1ec7t Nam \u0111ang tr\u1edf n\u00ean c\u1ea5p thi\u1ebft. V\u1ea5n \u0111\u1ec1 \u0111\u1eb7t ra l\u00e0 c\u00f4ng ngh\u1ec7 ch\u1ebf t\u1ea1o lo\u1ea1i b\u1ea1c n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c c\u00f4ng b\u1ed1 […]<\/p>\n","protected":false},"author":23,"featured_media":26418,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-26417","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26417","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=26417"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26417\/revisions"}],"predecessor-version":[{"id":26584,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/26417\/revisions\/26584"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/26418"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=26417"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=26417"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=26417"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}