CARBURIZED BEARING PARTS EXCELLENT IN HIGH TEMPERATURE ROLLING FATIGUE PROPERTY
PURPOSE:To provide carburized bearing parts having high temp. rolling fatigue properties more excellent than that in the conventional case using a high carbon chromium bearing steel or a case-hardened steel as a base stock and capable of reducing the carburizing (or carbo-nitriding) time. CONSTITUTI...
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| creator | NAKAMURA MORIFUMI MATSUSHIMA YOSHITAKE ADACHI SHIYUUGOROU |
| description | PURPOSE:To provide carburized bearing parts having high temp. rolling fatigue properties more excellent than that in the conventional case using a high carbon chromium bearing steel or a case-hardened steel as a base stock and capable of reducing the carburizing (or carbo-nitriding) time. CONSTITUTION:Steel contg. by weight, 0.3 to 0.5% C, 0.9 to 2% Si, 0.3 to 2% Mn, |
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CONSTITUTION:Steel contg. by weight, 0.3 to 0.5% C, 0.9 to 2% Si, 0.3 to 2% Mn, <=0.02% S, 2.5 to 5% Cr, 0.015 to 0.06% Al and 0.003 to 0.02% N, and the balance Fe with inevitable impurities, and in the inevitable impurities, the content of P is suppressed to <=0.02%, Ti to <=0.002% and O to <=0.003%, is used as a base stock. The parts manufactured by the stock are subjected to carburizing or carbo-nitriding treatment and hardening and tempering treatment, and the area ratio of carbides or carbon nitrides precipitated on the surface layer part is regulated to 2 to 50% as well as the average grain size is regulated to <=3mum.</description><edition>5</edition><language>eng</language><subject>ALLOYS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; FERROUS OR NON-FERROUS ALLOYS ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>1994</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940125&DB=EPODOC&CC=JP&NR=H0617224A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940125&DB=EPODOC&CC=JP&NR=H0617224A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NAKAMURA MORIFUMI</creatorcontrib><creatorcontrib>MATSUSHIMA YOSHITAKE</creatorcontrib><creatorcontrib>ADACHI SHIYUUGOROU</creatorcontrib><title>CARBURIZED BEARING PARTS EXCELLENT IN HIGH TEMPERATURE ROLLING FATIGUE PROPERTY</title><description>PURPOSE:To provide carburized bearing parts having high temp. rolling fatigue properties more excellent than that in the conventional case using a high carbon chromium bearing steel or a case-hardened steel as a base stock and capable of reducing the carburizing (or carbo-nitriding) time. 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The parts manufactured by the stock are subjected to carburizing or carbo-nitriding treatment and hardening and tempering treatment, and the area ratio of carbides or carbon nitrides precipitated on the surface layer part is regulated to 2 to 50% as well as the average grain size is regulated to <=3mum.</description><subject>ALLOYS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyjEKAjEQQNE0FqLeYS4g6Cpaz8bZJBKTME5AbZZFYiW6sN4fFTyA1S_-G6uokevM7kI7qAnZBQMJWY5AJ03eUxBwAawzFoQOiRglMwFH77-2QXEmEySOnyfnqRrduvtQZr9OFDQk2s5L_2zL0HfX8iivdp_sYrPcVtUaV3-QNwvzLtk</recordid><startdate>19940125</startdate><enddate>19940125</enddate><creator>NAKAMURA MORIFUMI</creator><creator>MATSUSHIMA YOSHITAKE</creator><creator>ADACHI SHIYUUGOROU</creator><scope>EVB</scope></search><sort><creationdate>19940125</creationdate><title>CARBURIZED BEARING PARTS EXCELLENT IN HIGH TEMPERATURE ROLLING FATIGUE PROPERTY</title><author>NAKAMURA MORIFUMI ; MATSUSHIMA YOSHITAKE ; ADACHI SHIYUUGOROU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0617224A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>ALLOYS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>NAKAMURA MORIFUMI</creatorcontrib><creatorcontrib>MATSUSHIMA YOSHITAKE</creatorcontrib><creatorcontrib>ADACHI SHIYUUGOROU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NAKAMURA MORIFUMI</au><au>MATSUSHIMA YOSHITAKE</au><au>ADACHI SHIYUUGOROU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>CARBURIZED BEARING PARTS EXCELLENT IN HIGH TEMPERATURE ROLLING FATIGUE PROPERTY</title><date>1994-01-25</date><risdate>1994</risdate><abstract>PURPOSE:To provide carburized bearing parts having high temp. rolling fatigue properties more excellent than that in the conventional case using a high carbon chromium bearing steel or a case-hardened steel as a base stock and capable of reducing the carburizing (or carbo-nitriding) time. CONSTITUTION:Steel contg. by weight, 0.3 to 0.5% C, 0.9 to 2% Si, 0.3 to 2% Mn, <=0.02% S, 2.5 to 5% Cr, 0.015 to 0.06% Al and 0.003 to 0.02% N, and the balance Fe with inevitable impurities, and in the inevitable impurities, the content of P is suppressed to <=0.02%, Ti to <=0.002% and O to <=0.003%, is used as a base stock. The parts manufactured by the stock are subjected to carburizing or carbo-nitriding treatment and hardening and tempering treatment, and the area ratio of carbides or carbon nitrides precipitated on the surface layer part is regulated to 2 to 50% as well as the average grain size is regulated to <=3mum.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | CARBURIZED BEARING PARTS EXCELLENT IN HIGH TEMPERATURE ROLLING FATIGUE PROPERTY |
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