METHOD FOR PRODUCING MACHINE COMPONENT
Provided is a method of manufacturing a machine part having a radial crushing strength of 120 MPa or more, including: a compression molding step of compressing raw material powder including, as a main component, metal powder that is capable of forming an oxide coating and has a pure iron powder cont...
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| creator | YASHIRO, Naoki OOHIRA, Kouya |
| description | Provided is a method of manufacturing a machine part having a radial crushing strength of 120 MPa or more, including: a compression molding step of compressing raw material powder including, as a main component, metal powder that is capable of forming an oxide coating and has a pure iron powder content ratio of 95 mass % or more, to thereby obtain a green compact (10) having a predetermined shape; and a coating forming step of causing the metal powder to react with an oxidizing gas while heating the green compact (10) at a temperature lower than a sintering temperature of the metal powder in an oxidizing gas atmosphere, to thereby obtain a reinforced green compact (11) in which the oxide coating (5) is formed between particles of the metal powder. |
| format | Patent |
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and a coating forming step of causing the metal powder to react with an oxidizing gas while heating the green compact (10) at a temperature lower than a sintering temperature of the metal powder in an oxidizing gas atmosphere, to thereby obtain a reinforced green compact (11) in which the oxide coating (5) is formed between particles of the metal powder.</description><language>eng</language><subject>BEARINGS ; BLASTING ; CASTING ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MAKING METALLIC POWDER ; MANUFACTURE OF ARTICLES FROM METALLIC POWDER ; MECHANICAL ENGINEERING ; PERFORMING OPERATIONS ; POWDER METALLURGY ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; THERMAL INSULATION IN GENERAL ; TRANSPORTING ; WEAPONS ; WORKING METALLIC POWDER</subject><creationdate>2021</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=20211007&DB=EPODOC&CC=US&NR=2021308760A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20211007&DB=EPODOC&CC=US&NR=2021308760A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YASHIRO, Naoki</creatorcontrib><creatorcontrib>OOHIRA, Kouya</creatorcontrib><title>METHOD FOR PRODUCING MACHINE COMPONENT</title><description>Provided is a method of manufacturing a machine part having a radial crushing strength of 120 MPa or more, including: a compression molding step of compressing raw material powder including, as a main component, metal powder that is capable of forming an oxide coating and has a pure iron powder content ratio of 95 mass % or more, to thereby obtain a green compact (10) having a predetermined shape; and a coating forming step of causing the metal powder to react with an oxidizing gas while heating the green compact (10) at a temperature lower than a sintering temperature of the metal powder in an oxidizing gas atmosphere, to thereby obtain a reinforced green compact (11) in which the oxide coating (5) is formed between particles of the metal powder.</description><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CASTING</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FLEXIBLE SHAFTS</subject><subject>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MAKING METALLIC POWDER</subject><subject>MANUFACTURE OF ARTICLES FROM METALLIC POWDER</subject><subject>MECHANICAL ENGINEERING</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TRANSPORTING</subject><subject>WEAPONS</subject><subject>WORKING METALLIC POWDER</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2021</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFDzdQ3x8HdRcPMPUggI8ncJdfb0c1fwdXT28PRzVXD29w3w93P1C-FhYE1LzClO5YXS3AzKbq4hzh66qQX58anFBYnJqXmpJfGhwUYGRobGBhbmZgaOhsbEqQIATwYkdg</recordid><startdate>20211007</startdate><enddate>20211007</enddate><creator>YASHIRO, Naoki</creator><creator>OOHIRA, Kouya</creator><scope>EVB</scope></search><sort><creationdate>20211007</creationdate><title>METHOD FOR PRODUCING MACHINE COMPONENT</title><author>YASHIRO, Naoki ; 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and a coating forming step of causing the metal powder to react with an oxidizing gas while heating the green compact (10) at a temperature lower than a sintering temperature of the metal powder in an oxidizing gas atmosphere, to thereby obtain a reinforced green compact (11) in which the oxide coating (5) is formed between particles of the metal powder.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BEARINGS BLASTING CASTING ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING PERFORMING OPERATIONS POWDER METALLURGY ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING METALLIC POWDER |
| title | METHOD FOR PRODUCING MACHINE COMPONENT |
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