{"id":15732,"date":"2025-08-08T06:03:48","date_gmt":"2025-08-08T06:03:48","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=15732"},"modified":"2025-08-08T06:29:55","modified_gmt":"2025-08-08T06:29:55","slug":"jet-milling-silicon-carbide-achievable-micron-size","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/fr\/jet-milling-silicon-carbide-achievable-micron-size\/","title":{"rendered":"Fraisage par jet de carbure de silicium\u00a0: taille microm\u00e9trique r\u00e9alisable"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Qu&#039;est-ce que le carbure de silicium ?<\/h2>\n\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Silicon_carbide\">carbure de silicium<\/a> (SiC) is an inorganic compound. It is a semiconductor and occurs naturally in the extremely rare mineral moissanite. Silicon carbide is commonly available in two varieties: black silicon carbide and green silicon carbide, both of which are \u03b1-SiC. The particle size of silicon carbide ground by jet milling typically ranges from 3 to 100 microns (d97). It&#8217;s depending on the type of equipment, process parameters, and raw material characteristics. Black silicon carbide contains approximately 95% SiC and has higher toughness than green silicon carbide. It is mainly used for processing materials with low tensile strength. Glass, ceramics, stone, refractories, cast iron, and non-ferrous metals can use it during production.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"608\" height=\"500\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-1.webp\" alt=\"\" class=\"wp-image-15734\" style=\"width:626px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-1.webp 608w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-1-300x247.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-1-15x12.webp 15w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-1-600x493.webp 600w\" sizes=\"(max-width: 608px) 100vw, 608px\" \/><figcaption class=\"wp-element-caption\">Carbure de silicium<\/figcaption><\/figure>\n\n\n\n<p>Le carbure de silicium vert contient plus de 97% SiC et poss\u00e8de d&#039;excellentes propri\u00e9t\u00e9s d&#039;auto-aff\u00fbtage. Il est principalement utilis\u00e9 pour l&#039;usinage du carbure, des alliages de titane et du verre optique. Il est \u00e9galement utilis\u00e9 pour le rodage des chemises de cylindre et la rectification fine des outils en acier rapide.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-3.webp\" alt=\"\" class=\"wp-image-15735\" style=\"width:632px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-3.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-3-300x225.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-carbide-3-16x12.webp 16w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Carbure de silicium vert<\/figcaption><\/figure>\n\n\n\n<p>Le carbure de silicium cubique, un cristal jaune-vert produit selon un proc\u00e9d\u00e9 sp\u00e9cial, est adapt\u00e9 \u00e0 la superfinition des roulements. Les outils de rectification qui en sont issus peuvent r\u00e9duire la rugosit\u00e9 de surface de Ra 32\u20130,16 micron \u00e0 Ra 0,04\u20130,02 micron en un seul passage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Utilisations du carbure de silicium<\/h2>\n\n\n\n<p>Gr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s chimiques stables, sa conductivit\u00e9 thermique \u00e9lev\u00e9e, son faible coefficient de dilatation thermique et son excellente r\u00e9sistance \u00e0 l&#039;usure, le carbure de silicium offre de nombreuses applications au-del\u00e0 des abrasifs. Par exemple, un proc\u00e9d\u00e9 sp\u00e9cial permet d&#039;appliquer de la poudre de carbure de silicium sur les parois internes des turbines ou des blocs-cylindres, am\u00e9liorant ainsi la r\u00e9sistance \u00e0 l&#039;usure et allongeant la dur\u00e9e de vie de 1 \u00e0 2 fois. Les mat\u00e9riaux r\u00e9fractaires de haute qualit\u00e9 fabriqu\u00e9s \u00e0 partir de carbure de silicium offrent r\u00e9sistance aux chocs thermiques, compacit\u00e9, l\u00e9g\u00e8ret\u00e9, r\u00e9sistance \u00e9lev\u00e9e et efficacit\u00e9 \u00e9nerg\u00e9tique. Le carbure de silicium de faible teneur (environ 85% SiC) est un excellent d\u00e9soxydant dans la sid\u00e9rurgie, am\u00e9liorant la qualit\u00e9 de l&#039;acier et facilitant le contr\u00f4le de la composition. Le carbure de silicium est \u00e9galement largement utilis\u00e9 dans la production de barres de carbure de silicium pour les \u00e9l\u00e9ments chauffants \u00e9lectriques.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3-1024x576.webp\" alt=\"\" class=\"wp-image-15737\" style=\"width:637px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3-1024x576.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3-300x169.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3-768x432.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3-18x10.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3-600x338.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/Silicon-Carbide-Ceramics-3.webp 1075w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Produits fabriqu\u00e9s en carbure de silicium<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Structure du mat\u00e9riau et gamme de tailles de particules<\/h2>\n\n\n\n<p>La granulom\u00e9trie du carbure de silicium broy\u00e9 par jet milling varie g\u00e9n\u00e9ralement de 3 \u00e0 100 microns (d97). Elle d\u00e9pend du type d&#039;\u00e9quipement, des param\u00e8tres du proc\u00e9d\u00e9 et des caract\u00e9ristiques de la mati\u00e8re premi\u00e8re.<\/p>\n\n\n\n<p>Granulom\u00e9trie typique\u00a0: Le broyage par jets en lit fluidis\u00e9 produit une granulom\u00e9trie concentr\u00e9e. Il ne provoque pas de broyage excessif et atteint g\u00e9n\u00e9ralement un d97 compris entre 3 et 100\u00a0microns.<\/p>\n\n\n\n<p>Forme et distribution des particules\u00a0: Les particules obtenues pr\u00e9sentent une forme pr\u00e9cise et une distribution granulom\u00e9trique \u00e9troite. Elles sont donc adapt\u00e9es aux applications exigeant une granulom\u00e9trie rigoureuse.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"866\" height=\"433\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/carbon-carbide.webp\" alt=\"\" class=\"wp-image-15747\" style=\"width:744px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/carbon-carbide.webp 866w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/carbon-carbide-300x150.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/carbon-carbide-768x384.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/carbon-carbide-18x9.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/carbon-carbide-600x300.webp 600w\" sizes=\"(max-width: 866px) 100vw, 866px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Facteurs affectant la taille des particules<\/h2>\n\n\n\n<p>1. Type d&#039;\u00e9quipement<\/p>\n\n\n\n<p>Broyeur \u00e0 jets \u00e0 lit fluidis\u00e9\u00a0: utilise un gaz haute pression pour acc\u00e9l\u00e9rer les particules de mat\u00e9riau. Il les fait entrer en collision \u00e0 l&#039;intersection des jets des buses. Cette m\u00e9thode offre une capacit\u00e9 de broyage \u00e9lev\u00e9e et un contr\u00f4le pr\u00e9cis de la granulom\u00e9trie.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"300\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQW-06-400x300-1.webp\" alt=\"\" class=\"wp-image-15744\" style=\"width:634px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQW-06-400x300-1.webp 400w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQW-06-400x300-1-300x225.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQW-06-400x300-1-16x12.webp 16w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/figure>\n\n\n\n<p>Flat Disc Jet Mill: Uses a swirling motion in the milling chamber, causing particles to impact, collide, and rub against each other and the mill surface. However, its particle size control may be slightly less precise than that of a fluidized bed jet mill.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQP01-2.webp\" alt=\"\" class=\"wp-image-15740\" style=\"width:626px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQP01-2.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQP01-2-300x225.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/08\/MQP01-2-16x12.webp 16w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">Flat Disc Jet Mill by Epic Powder<\/figcaption><\/figure>\n\n\n\n<p>2. Param\u00e8tres du processus<\/p>\n\n\n\n<p>La pression du flux d\u2019air, la vitesse de la buse et la vitesse du classificateur influencent toutes directement l\u2019efficacit\u00e9 de la pulv\u00e9risation et la distribution de la taille des particules.<\/p>\n\n\n\n<p>3. Propri\u00e9t\u00e9s des mati\u00e8res premi\u00e8res<\/p>\n\n\n\n<p>La duret\u00e9, la puret\u00e9 et d&#039;autres caract\u00e9ristiques du carbure de silicium influent \u00e9galement sur la difficult\u00e9 de la pulv\u00e9risation. En g\u00e9n\u00e9ral, une duret\u00e9 et une puret\u00e9 plus \u00e9lev\u00e9es rendent le mat\u00e9riau plus difficile \u00e0 broyer, mais en optimisant les param\u00e8tres du proc\u00e9d\u00e9, les broyeurs \u00e0 jet permettent une pulv\u00e9risation efficace.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Avantages du fraisage par jet pour le carbure de silicium<\/h2>\n\n\n\n<p>Aucune usure de rev\u00eatement : les broyeurs \u00e0 jet \u00e0 lit fluidis\u00e9 peuvent broyer des produits de duret\u00e9 variable sans rev\u00eatement, ce qui entra\u00eene une faible usure de l&#039;\u00e9quipement et une ad\u00e9quation \u00e0 une production continue \u00e0 long terme.<\/p>\n\n\n\n<p>Propre et respectueux de l&#039;environnement : le syst\u00e8me de pulv\u00e9risation enti\u00e8rement ferm\u00e9 g\u00e9n\u00e8re peu de poussi\u00e8re et de bruit, garantissant un environnement de production propre et respectueux de l&#039;environnement.<\/p>\n\n\n\n<p>Efficacit\u00e9 \u00e9nerg\u00e9tique : les broyeurs \u00e0 jet utilisent presque toute l&#039;\u00e9nergie du gaz pour acc\u00e9l\u00e9rer les mat\u00e9riaux sur une courte distance, atteignant une capacit\u00e9 de pulv\u00e9risation \u00e9lev\u00e9e avec une consommation d&#039;\u00e9nergie relativement faible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Machines \u00e0 poudre \u00e9piques<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.epicmicron.com\/fr\/products\/\">Machines \u00e0 poudre \u00e9piques<\/a> est un fabricant leader d&#039;\u00e9quipements de broyage et de classification ultrafins, sp\u00e9cialis\u00e9 dans les solutions pour les min\u00e9raux non m\u00e9talliques, les produits chimiques, les mat\u00e9riaux pour batteries et les c\u00e9ramiques avanc\u00e9es. Forts d&#039;une technologie europ\u00e9enne et de d\u00e9cennies d&#039;exp\u00e9rience dans le secteur, nos \u00e9quipements offrent des performances stables, un contr\u00f4le pr\u00e9cis de la granulom\u00e9trie et un fonctionnement \u00e9conome en \u00e9nergie, permettant \u00e0 nos clients du monde entier d&#039;am\u00e9liorer la qualit\u00e9 de leurs produits et leur productivit\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Comment broyer du talc sans contamination m\u00e9tallique\u00a0? | Broyeur \u00e0 jet d&#039;air EPIC Powder Machinery\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/GIvOsrdSWZM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14468-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14468\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/15732#wpcf7-f14468-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/15732#wpcf7-f14468-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"14468\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.5\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f14468-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" 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name=\"kc_honeypot\">\r\n    <\/span><\/span><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:0px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Qu&#039;est-ce que le carbure de silicium\u00a0? Le carbure de silicium (SiC) est un compos\u00e9 inorganique. C&#039;est un semi-conducteur pr\u00e9sent naturellement dans la moissanite, un min\u00e9ral extr\u00eamement rare. 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