{"id":5541,"date":"2025-11-02T01:11:08","date_gmt":"2025-11-02T01:11:08","guid":{"rendered":"https:\/\/www.greenstone-tech.com\/?p=5541"},"modified":"2025-11-02T01:11:10","modified_gmt":"2025-11-02T01:11:10","slug":"trident-trong-san-xuat-gia-cong-kim-loai-bang-cong-nghe-in-3d-so-sanh-ky-thuat-chuyen-sau-giua-cong-nghe-slm-va-sebm","status":"publish","type":"post","link":"https:\/\/www.greenstone-tech.com\/vi\/the-metal-additive-manufacturing-trident-a-deep-technical-comparison-of-ded-slm-and-sebm\/","title":{"rendered":"\u201cB\u1ed9 ba c\u00f4ng ngh\u1ec7 in 3D kim lo\u1ea1i: So s\u00e1nh k\u1ef9 thu\u1eadt chuy\u00ean s\u00e2u gi\u1eefa DED, SLM v\u00e0 SEBM\u201d"},"content":{"rendered":"<h6 class=\"wp-block-heading\">T\u00f3m t\u1eaft<\/h6>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 in 3D kim lo\u1ea1i \u0111\u00e3 ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p s\u1ea3n xu\u1ea5t ch\u1ee7 ch\u1ed1t trong c\u00e1c l\u0129nh v\u1ef1c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p y t\u1ebf, linh ki\u1ec7n n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng nghi\u1ec7p c\u00f3 gi\u00e1 tr\u1ecb cao. B\u00e0i vi\u1ebft n\u00e0y \u0111\u01b0a ra m\u1ed9t so s\u00e1nh k\u1ef9 thu\u1eadt chi ti\u1ebft v\u1ec1 <a href=\"https:\/\/www.greenstone-tech.com\/vi\/danh-muc\/thiet-bi-chinh-xac\/lam-lmd-ded-metal-3d-printing-equipment\/\">Ph\u01b0\u01a1ng ph\u00e1p l\u1eafng \u0111\u1ecdng n\u0103ng l\u01b0\u1ee3ng \u0111\u1ecbnh h\u01b0\u1edbng (DED)<\/a>, <a href=\"https:\/\/www.greenstone-tech.com\/vi\/danh-muc\/thiet-bi-chinh-xac\/thiet-bi-in-3d-kim-loai-slm\/\">C\u00f4ng ngh\u1ec7 in 3D b\u1eb1ng laser ch\u1ecdn l\u1ecdc (SLM)<\/a>, v\u00e0 <a href=\"https:\/\/www.greenstone-tech.com\/vi\/danh-muc\/thiet-bi-chinh-xac\/thiet-bi-in-3d-kim-loai-sebm-ebm\/\">Ph\u01b0\u01a1ng ph\u00e1p n\u1ea5u ch\u1ea3y b\u1eb1ng ch\u00f9m tia \u0111i\u1ec7n t\u1eed ch\u1ecdn l\u1ecdc (SEBM)<\/a>. T\u00e0i li\u1ec7u n\u00e0y l\u00e0m r\u00f5 c\u00e1c nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, h\u1ec7 th\u1ed1ng v\u1eadt li\u1ec7u, gi\u1edbi h\u1ea1n hi\u1ec7u su\u1ea5t, c\u00e1c tr\u01b0\u1eddng h\u1ee3p \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c l\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Ch\u01b0\u01a1ng 1: T\u1ed5ng quan \u2014 L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 in 3D kim lo\u1ea1i<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">T\u1eeb giai \u0111o\u1ea1n t\u1ea1o m\u1eabu \u0111\u1ebfn s\u1ea3n xu\u1ea5t<\/h6>\n\n\n\n<p>C\u00f4ng ngh\u1ec7 in 3D kim lo\u1ea1i \u0111\u00e3 ph\u00e1t tri\u1ec3n qua:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>L\u00e0m m\u1eabu nhanh<\/li>\n\n\n\n<li>D\u1ee5ng c\u1ee5 gia c\u00f4ng v\u00e0 s\u1ea3n xu\u1ea5t th\u1eed nghi\u1ec7m<\/li>\n\n\n\n<li>S\u1ea3n xu\u1ea5t tr\u1ef1c ti\u1ebfp c\u00e1c b\u1ed9 ph\u1eadn k\u1ebft c\u1ea5u quan tr\u1ecdng<\/li>\n<\/ol>\n\n\n\n<h6 class=\"wp-block-heading\">Kho\u1ea3ng c\u00e1ch v\u1ec1 k\u1ef9 thu\u1eadt c\u1ed1t l\u00f5i<\/h6>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng<\/th><th>Gi\u01b0\u1eddng b\u1ed9t<\/th><th>Ph\u00e1t tr\u1ef1c ti\u1ebfp<\/th><\/tr><\/thead><tbody><tr><td>Tia laser<\/td><td>SLM<\/td><td>Laser-DED<\/td><\/tr><tr><td>Ch\u00f9m tia \u0111i\u1ec7n t\u1eed<\/td><td>SEBM<\/td><td>EB-DED<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>M\u1ee5c ti\u00eau: Gi\u1ea3i th\u00edch vai tr\u00f2 k\u1ef9 thu\u1eadt v\u00e0 c\u01a1 s\u1edf l\u1ef1a ch\u1ecdn c\u1ee7a t\u1eebng c\u00f4ng ngh\u1ec7.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Ch\u01b0\u01a1ng 2: Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">SLM<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Laser s\u1ee3i quang trong bu\u1ed3ng tr\u01a1<\/li>\n\n\n\n<li>C\u00e1c l\u1edbp b\u1ed9t m\u1ecfng (20\u201360 \u03bcm)<\/li>\n\n\n\n<li>\u0110\u00e3 tan ch\u1ea3y ho\u00e0n to\u00e0n, c\u00f3 m\u1eadt \u0111\u1ed9 g\u1ea7n nh\u01b0 \u0111\u1ea7y \u0111\u1ee7 (&gt;99,91% TP3T)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110i\u1ec3m m\u1ea1nh<\/strong>: \u0111\u1ed9 chi ti\u1ebft cao nh\u1ea5t &amp; c\u00e1c k\u00eanh b\u00ean trong<br><strong>V\u1eadt li\u1ec7u<\/strong>: th\u00e9p kh\u00f4ng g\u1ec9, h\u1ee3p kim niken, titan, nh\u00f4m, CoCr<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">SEBM<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng cao<\/li>\n\n\n\n<li>L\u1edbp b\u1ed9t \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/li>\n\n\n\n<li>Ch\u00f9m tia \u0111i\u1ec7n t\u1eed c\u00f3 s\u1ef1 l\u1ec7ch h\u01b0\u1edbng t\u1eeb t\u00ednh<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110i\u1ec3m m\u1ea1nh<\/strong>: \u1ee9ng su\u1ea5t d\u01b0 th\u1ea5p, r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi titan<br><strong>V\u1eadt li\u1ec7u<\/strong>: Ti-6Al-4V, \u03b3-TiAl, h\u1ee3p kim niken<\/p>\n\n\n\n<h6 class=\"wp-block-heading\">DED<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ed9t\/d\u00e2y \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o v\u00f9ng kim lo\u1ea1i n\u00f3ng ch\u1ea3y<\/li>\n\n\n\n<li>Tia laser ho\u1eb7c ch\u00f9m tia \u0111i\u1ec7n t\u1eed<\/li>\n\n\n\n<li>Chuy\u1ec3n \u0111\u1ed9ng \u0111a tr\u1ee5c c\u1ee7a robot<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110i\u1ec3m m\u1ea1nh<\/strong>: c\u00e1c b\u1ed9 ph\u1eadn c\u1ee1 l\u1edbn, s\u1eeda ch\u1eefa, \u0111a v\u1eadt li\u1ec7u<br><strong>V\u1eadt li\u1ec7u<\/strong>: H\u1ee3p kim titan, h\u1ee3p kim niken, th\u00e9p, \u0111\u1ed3ng<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">Ch\u01b0\u01a1ng 3: So s\u00e1nh k\u1ef9 thu\u1eadt<\/h5>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Danh m\u1ee5c<\/th><th>SLM<\/th><th>SEBM<\/th><th>DED<\/th><\/tr><\/thead><tbody><tr><td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td><td>T\u1ed1t nh\u1ea5t<\/td><td>Cao<\/td><td>Trung b\u00ecnh<\/td><\/tr><tr><td>K\u00edch th\u01b0\u1edbc chi ti\u1ebft<\/td><td>Trung b\u00ecnh<\/td><td>L\u1edbn<\/td><td>R\u1ea5t l\u1edbn<\/td><\/tr><tr><td>\u00c1p l\u1ef1c d\u01b0<\/td><td>Cao<\/td><td>R\u1ea5t th\u1ea5p<\/td><td>Trung b\u00ecnh<\/td><\/tr><tr><td>\u0110a v\u1eadt li\u1ec7u<\/td><td>\u0110ang n\u1ed5i l\u00ean<\/td><td>S\u1ed1 l\u01b0\u1ee3ng c\u00f3 h\u1ea1n<\/td><td>Tuy\u1ec7t v\u1eddi<\/td><\/tr><tr><td>Gi\u00e1 tr\u1ecb ch\u00ednh<\/td><td>C\u00e1c chi ti\u1ebft nh\u1ecf ph\u1ee9c t\u1ea1p<\/td><td>C\u1ea5u tr\u00fac titan<\/td><td>S\u1eeda ch\u1eefa + c\u00e1c c\u00f4ng tr\u00ecnh quy m\u00f4 l\u1edbn<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h5 class=\"wp-block-heading\">Ch\u01b0\u01a1ng 4: \u1ee8ng d\u1ee5ng<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">SLM<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00f2i phun tuabin<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p y t\u1ebf theo y\u00eau c\u1ea7u<\/li>\n\n\n\n<li>Khu\u00f4n l\u00e0m m\u00e1t theo h\u00ecnh d\u1ea1ng<\/li>\n\n\n\n<li>B\u1ed9 trao \u0111\u1ed5i nhi\u1ec7t si\u00eau nh\u1ecf<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">SEBM<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Khung titan d\u00f9ng trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5<\/li>\n\n\n\n<li>Thi\u1ebft b\u1ecb c\u1ea5y gh\u00e9p ch\u1ec9nh h\u00ecnh<\/li>\n\n\n\n<li>C\u00e1c b\u1ed9 ph\u1eadn tuabin cho ng\u00e0nh n\u0103ng l\u01b0\u1ee3ng<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">DED<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eeda ch\u1eefa c\u00e1nh tuabin<\/li>\n\n\n\n<li>B\u1ec1 m\u1eb7t d\u1ee5ng c\u1ee5 ch\u1ed1ng m\u00e0i m\u00f2n<\/li>\n\n\n\n<li>H\u1ec7 th\u1ed1ng gia c\u00f4ng lai<\/li>\n\n\n\n<li>Nghi\u00ean c\u1ee9u v\u1ec1 v\u1eadt li\u1ec7u gradient<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">Ch\u01b0\u01a1ng 5: L\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 v\u00e0 tri\u1ec3n v\u1ecdng<\/h5>\n\n\n\n<h6 class=\"wp-block-heading\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c ph\u1ee9c t\u1ea1p<\/strong> \u2192 SLM<\/li>\n\n\n\n<li><strong>C\u00e1c k\u1ebft c\u1ea5u titan c\u1ee1 l\u1edbn &amp; \u1ee9ng su\u1ea5t th\u1ea5p<\/strong> \u2192 SEBM<\/li>\n\n\n\n<li><strong>S\u1eeda ch\u1eefa, th\u1ec3 t\u00edch in l\u1edbn, \u0111a v\u1eadt li\u1ec7u<\/strong> \u2192 DED<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">Xu h\u01b0\u1edbng<\/h6>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SLM: \u0111a tia laser, \u0111i\u1ec1u khi\u1ec3n th\u1eddi gian th\u1ef1c, h\u1ee3p kim ch\u1ecbu nhi\u1ec7t cao<\/li>\n\n\n\n<li>SEBM: chu k\u1ef3 h\u00fat ch\u00e2n kh\u00f4ng nhanh h\u01a1n, n\u00e2ng c\u1ea5p ch\u1ea5t l\u01b0\u1ee3ng b\u1ec1 m\u1eb7t<\/li>\n\n\n\n<li>DED: robot, c\u1ea3m bi\u1ebfn v\u00e0 \u0111i\u1ec1u khi\u1ec3n v\u00f2ng k\u00edn, ph\u01b0\u01a1ng ph\u00e1p \u0111\u00fac b\u1eb1ng d\u00e2y<\/li>\n<\/ul>\n\n\n\n<h6 class=\"wp-block-heading\">K\u1ebft lu\u1eadn<\/h6>\n\n\n\n<p>SLM, SEBM v\u00e0 DED b\u1ed5 sung cho nhau ch\u1ee9 kh\u00f4ng thay th\u1ebf l\u1eabn nhau. C\u00f9ng nhau, ch\u00fang t\u1ea1o th\u00e0nh n\u1ec1n t\u1ea3ng c\u1ee7a c\u00f4ng ngh\u1ec7 in 3D kim lo\u1ea1i c\u00f4ng nghi\u1ec7p hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"excerpt":{"rendered":"<p>Abstract Metal additive manufacturing has evolved into a key production method for aerospace, medical implants, energy components, and high-value industrial parts. This article provides a thorough technical comparison of Directed Energy Deposition (DED), Selective Laser Melting (SLM), and Selective Electron Beam Melting (SEBM). It clarifies working principles, material systems, performance boundaries, industrial use cases, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5542,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,3],"tags":[102],"table_tags":[],"class_list":["post-5541","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-professional-knowledge","category-blog","tag-sheldon-li"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts\/5541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/comments?post=5541"}],"version-history":[{"count":1,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts\/5541\/revisions"}],"predecessor-version":[{"id":5543,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/posts\/5541\/revisions\/5543"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/media\/5542"}],"wp:attachment":[{"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/media?parent=5541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/categories?post=5541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/tags?post=5541"},{"taxonomy":"table_tags","embeddable":true,"href":"https:\/\/www.greenstone-tech.com\/vi\/wp-json\/wp\/v2\/table_tags?post=5541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}