{"id":1282,"date":"2015-07-23T10:26:26","date_gmt":"2015-07-23T02:26:26","guid":{"rendered":"http:\/\/www.symachining.com\/?p=559"},"modified":"2025-06-06T06:05:14","modified_gmt":"2025-06-06T06:05:14","slug":"qpq-nitriding","status":"publish","type":"post","link":"https:\/\/www.symachining.com\/fr\/qpq-nitriding\/","title":{"rendered":"Nitruration QPQ"},"content":{"rendered":"<h2><strong><span style=\"font-family: georgia, palatino; font-size: 18pt; color: #000000;\"><span style=\"font-size: 14pt;\">Connaissez-vous la nitruration QPQ ?<\/span>?<\/span><\/strong><\/h2>\n<p><span style=\"font-family: 'times new roman', times; font-size: 12pt; color: #000080;\">QPQ La nitruration est un proc\u00e9d\u00e9 qui permet de produire une carcasse fine, \u00e0 haute duret\u00e9, r\u00e9sistante \u00e0 l'usure et \u00e0 la corrosion.<\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times; font-size: 12pt; color: #000080;\">QPQ La nitruration, largement utilis\u00e9e dans l'industrie depuis des d\u00e9cennies, sert principalement \u00e0 am\u00e9liorer la r\u00e9sistance \u00e0 l'abrasion de l'acier, de la fonte et de l'acier inoxydable. <a href=\"https:\/\/www.symachining.com\/wp-content\/uploads\/2015\/07\/before-QPQ1.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-567 alignright\" src=\"https:\/\/www.symachining.com\/wp-content\/uploads\/2015\/07\/before-QPQ1.jpg\" alt=\"Before QPQ Nitriding\" width=\"355\" height=\"343\" data-wp-editing=\"1\" \/><\/a>et d'autres mat\u00e9riaux, et d'am\u00e9liorer la r\u00e9sistance \u00e0 la fatigue, en particulier en combinaison avec le refroidissement oxydatif pour am\u00e9liorer encore la r\u00e9sistance \u00e0 la corrosion.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong><span style=\"font-family: georgia, palatino; font-size: 14pt;\">Caract\u00e9ristiques du processus :<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-family: 'times new roman', times; font-size: 12pt; color: #000080;\"> La nitrocarburation consiste \u00e0 faire p\u00e9n\u00e9trer dans la surface de l'acier une petite quantit\u00e9 d'atomes d'azote et de carbone. Ce traitement chimique peut am\u00e9liorer la r\u00e9sistance \u00e0 l'usure et la r\u00e9sistance \u00e0 la fatigue du mat\u00e9riau. L'application ult\u00e9rieure d'un bain de refroidissement par oxydation unique permet d'obtenir une excellente r\u00e9sistance \u00e0 l'usure et \u00e0 la corrosion, ainsi qu'un aspect noir.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong><span style=\"font-size: 14pt; font-family: georgia, palatino;\">Caract\u00e9ristiques :<\/span><\/strong><\/span><\/p>\n<p><span style=\"color: #000080; font-size: 12pt; font-family: 'times new roman', times;\">1.QPQ trait\u00e9 avec une couche de perm\u00e9ation \u00e0 l'azote de carbone \u00e0 partir de la couche compos\u00e9e (nitrure de fer) et d'une couche de diffusion.<\/span><br \/>\n<span style=\"color: #000080; font-size: 12pt; font-family: 'times new roman', times;\"> 2. \u00e9paisseur de la couche de compos\u00e9 de 10 ~ 20um, duret\u00e9 Vickers de 800 ~ 1200HV.<\/span><br \/>\n<span style=\"color: #000080; font-size: 12pt; font-family: 'times new roman', times;\"> 3. la couche de diffusion augmente avec la quantit\u00e9 d'\u00e9l\u00e9ments d'alliage dans l'acier, l'\u00e9paisseur devient faible, la duret\u00e9 augmente.<\/span><br \/>\n<span style=\"color: #000080; font-size: 12pt; font-family: 'times new roman', times;\"> augment\u00e9e.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino; font-size: 14pt;\"><strong><span style=\"color: #000000;\">Applications :<\/span><\/strong><\/span><\/p>\n<p><span style=\"font-size: 12pt; font-family: 'times new roman', times; color: #000080;\">Largement utilis\u00e9 dans l'industrie automobile, les machines agricoles, l'a\u00e9rospatiale, les machines de construction, la construction, la marine, <a href=\"https:\/\/www.symachining.com\/wp-content\/uploads\/2015\/07\/after-QPQ.jpg\"><img decoding=\"async\" class=\"size-full wp-image-568 alignright\" src=\"https:\/\/www.symachining.com\/wp-content\/uploads\/2015\/07\/after-QPQ.jpg\" alt=\"after QPQ Nitriding\" width=\"375\" height=\"300\" \/><\/a>l'industrie chimique, l'industrie \u00e9nerg\u00e9tique et l'hydraulique.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Connaissez-vous la nitruration QPQ ? La nitruration QPQ est un proc\u00e9d\u00e9 permettant de produire une fine couche de duret\u00e9 \u00e9lev\u00e9e qui r\u00e9siste \u00e0 l'usure et \u00e0 la corrosion. La nitruration QPQ est largement utilis\u00e9e dans l'industrie depuis des d\u00e9cennies, principalement pour am\u00e9liorer la r\u00e9sistance \u00e0 l'abrasion de l'acier, de la fonte, de l'acier inoxydable et d'autres mat\u00e9riaux, et pour am\u00e9liorer la r\u00e9sistance \u00e0 la fatigue, en particulier dans [...]<\/p>","protected":false},"author":2,"featured_media":2075,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[15,17],"class_list":["post-1282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-care-about-hardness","tag-machining-project","tag-precision-machining"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>QPQ Nitriding - SYM Precision Machining Manufacturer China<\/title>\n<meta name=\"description\" content=\"QPQ nitriding for AISI 4140 (42CrMo) machined parts, to get fine black surface, with surface hardness around 700HV.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.symachining.com\/fr\/qpq-nitriding\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"QPQ Nitriding - 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