{"id":4107,"date":"2014-08-01T20:07:39","date_gmt":"2014-08-01T15:07:39","guid":{"rendered":"http:\/\/ihte.ru\/?page_id=4107"},"modified":"2014-08-04T09:17:35","modified_gmt":"2014-08-04T04:17:35","slug":"steel-boriding","status":"publish","type":"page","link":"https:\/\/ihte.ru\/?page_id=4107","title":{"rendered":"Steel boriding"},"content":{"rendered":"<div id=\"attachment_1027\" style=\"width: 249px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/ihte.ru\/uploads\/borirovanie.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1027\" class=\" wp-image-1027        \" src=\"http:\/\/ihte.ru\/uploads\/borirovanie-300x200.jpg\" alt=\"borirovanie\" width=\"249\" height=\"165\" srcset=\"https:\/\/ihte.ru\/uploads\/borirovanie-300x200.jpg 300w, https:\/\/ihte.ru\/uploads\/borirovanie-150x100.jpg 150w\" sizes=\"auto, (max-width: 249px) 100vw, 249px\" \/><\/a><p id=\"caption-attachment-1027\" class=\"wp-caption-text\">Threads milling tool (steel X12M)<\/p><\/div>\n<p style=\"text-align: justify;\">Three technologies of liquid boriding have been developed at IHTE UB RAS for surface strengthening of steel parts of machines and tools operating under high static and dynamic loads:\u00a0<strong>boriding in borax melt, boriding in\u00a0 calcium chloride melt, cyclic boriding in\u00a0calcium chloride melt.<\/strong><\/p>\n<p style=\"text-align: justify;\">Formed in accordance with proposed technologies iron borides have high surface strength. The diffusion layer consists of two zones of needle-like borides: external FeB and internal Fe<sub>2<\/sub>B with microhardness of 18500-20000 MPa and 16500-18000 MPa, respectively.<\/p>\n<p style=\"text-align: justify;\">Liquid boriding has been tested on constructional steels (20, 45, 40\u0425, \u0428\u042515), tool steels for cold deformation (\u04238\u0410, 9\u0425\u0421, \u0425\u0412\u0413, \u042512\u04241) and tool steels for hot deformation (5\u0425\u041d\u0412, 4\u04255\u041c\u0424\u0421, 3\u04252\u04128).<\/p>\n<p style=\"text-align: justify;\">The wear resistance of borided steels is 2-10 times higher at considerable specific pressures, sliding friction, and abrasive and hydroabrasive wear in corrosive media (10% \u041dCl, 30% H<sub>2<\/sub>SO<sub>4<\/sub>).<\/p>\n<p style=\"text-align: justify;\"><strong>Examples of\u00a0\u00a0increasing operating time for\u00a0 boride parts of machines and tools:<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">die instrument of cold and hot deformation &#8212; from 2 to 10 times;<\/li>\n<li style=\"text-align: justify;\">press-tools for pressing granular material l &#8212; in 2-3 times;<\/li>\n<li style=\"text-align: justify;\">drawing die and form roller instruments &#8212; in\u00a02-10 times, oil equipment parts &#8212; \u00a0in 2-4 times;<\/li>\n<li style=\"text-align: justify;\">spray nozzle details in conditions of mineral fertilizers production &#8212; from 2 to 4 times;<\/li>\n<li style=\"text-align: justify;\">parts of technological equipment &#8212; up to 10 times;<\/li>\n<li style=\"text-align: justify;\">parts of machine and mechanisms operating in abrasive conditions &#8212; from 2 to 6 times;<\/li>\n<li style=\"text-align: justify;\">details of injection molding machines and press-forms for nonferrous and alloys casing &#8212; up to 5 times.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">The cost of boriding accounts for 10-20% of the initial cost of parts. The raw materials are available and produced in Russia.<\/p>\n<p style=\"text-align: justify;\">The technologies of liquid boriding have been covered by nine Certificates of Authorship and Russian patents.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Three technologies of liquid boriding have been developed at IHTE UB RAS for surface strengthening of steel parts of machines and tools operating under high static and dynamic loads:\u00a0boriding in borax melt, boriding in\u00a0 calcium chloride melt, cyclic boriding in\u00a0calcium chloride melt. Formed in accordance with proposed technologies iron borides have high surface strength. The &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ihte.ru\/?page_id=4107\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"parent":3215,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-4107","page","type-page","status-publish","hentry","nodate","item-wrap"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Steel boriding - \u0418\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u043e\u0439 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0445\u0438\u043c\u0438\u0438<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ihte.ru\/?page_id=4107\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Steel boriding - \u0418\u043d\u0441\u0442\u0438\u0442\u0443\u0442 \u0432\u044b\u0441\u043e\u043a\u043e\u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u043d\u043e\u0439 \u044d\u043b\u0435\u043a\u0442\u0440\u043e\u0445\u0438\u043c\u0438\u0438\" \/>\n<meta property=\"og:description\" content=\"Three technologies of liquid boriding have been developed at IHTE UB RAS for surface strengthening of steel parts of machines and tools operating under high static and dynamic loads:\u00a0boriding in borax melt, boriding in\u00a0 calcium chloride melt, cyclic boriding in\u00a0calcium chloride melt. Formed in accordance with proposed technologies iron borides have high surface strength. 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