COPPER-BASED SLIDING MATERIAL
PROBLEM TO BE SOLVED: To provide a copper-based sliding material excellent in seizure resistance by controlling the shape of Bi-phase grains dispersed in the alloy matrix of a Cu alloy containing Bi.SOLUTION: In the copper-based sliding material in which a Cu alloy layer contains 5-30 mass% of Bi wi...
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| creator | IMAI TAKUO SATO RYO TSUJIMOTO KENTARO |
| description | PROBLEM TO BE SOLVED: To provide a copper-based sliding material excellent in seizure resistance by controlling the shape of Bi-phase grains dispersed in the alloy matrix of a Cu alloy containing Bi.SOLUTION: In the copper-based sliding material in which a Cu alloy layer contains 5-30 mass% of Bi with the balance consisting of Cu and inevitable impurities, Bi is dispersed as Bi-phase grains in the Cu alloy layer, wherein the Bi phase having a grain size of 2-50 μm and a circularity of 0.1-0.7 is 30% or more by mass of the total Bi phases in the Cu alloy layer. As a result, the Bi-phase grains are uniformly dispersed in the Cu alloy layer, thereby successively exposing the Bi-phase grains in the Cu alloy layer to the sliding surface accompanying the abrasion of the sliding material while suppressing excessive outflow of molten Bi. Accordingly, this copper-based sliding material has good seizure resistance. |
| format | Patent |
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As a result, the Bi-phase grains are uniformly dispersed in the Cu alloy layer, thereby successively exposing the Bi-phase grains in the Cu alloy layer to the sliding surface accompanying the abrasion of the sliding material while suppressing excessive outflow of molten Bi. Accordingly, this copper-based sliding material has good seizure resistance.</description><language>eng</language><subject>ALLOYS ; BEARINGS ; BLASTING ; CHEMISTRY ; ELEMENTS OR CRANKSHAFT MECHANISMS ; ENGINEERING ELEMENTS AND UNITS ; FERROUS OR NON-FERROUS ALLOYS ; FLEXIBLE SHAFTS ; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; METALLURGY ; ROTARY BODIES OTHER THAN GEARING ELEMENTS ; SHAFTS ; THERMAL INSULATION IN GENERAL ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; WEAPONS</subject><creationdate>2013</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=20130304&DB=EPODOC&CC=JP&NR=2013043997A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130304&DB=EPODOC&CC=JP&NR=2013043997A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IMAI TAKUO</creatorcontrib><creatorcontrib>SATO RYO</creatorcontrib><creatorcontrib>TSUJIMOTO KENTARO</creatorcontrib><title>COPPER-BASED SLIDING MATERIAL</title><description>PROBLEM TO BE SOLVED: To provide a copper-based sliding material excellent in seizure resistance by controlling the shape of Bi-phase grains dispersed in the alloy matrix of a Cu alloy containing Bi.SOLUTION: In the copper-based sliding material in which a Cu alloy layer contains 5-30 mass% of Bi with the balance consisting of Cu and inevitable impurities, Bi is dispersed as Bi-phase grains in the Cu alloy layer, wherein the Bi phase having a grain size of 2-50 μm and a circularity of 0.1-0.7 is 30% or more by mass of the total Bi phases in the Cu alloy layer. As a result, the Bi-phase grains are uniformly dispersed in the Cu alloy layer, thereby successively exposing the Bi-phase grains in the Cu alloy layer to the sliding surface accompanying the abrasion of the sliding material while suppressing excessive outflow of molten Bi. Accordingly, this copper-based sliding material has good seizure resistance.</description><subject>ALLOYS</subject><subject>BEARINGS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>ELEMENTS OR CRANKSHAFT MECHANISMS</subject><subject>ENGINEERING ELEMENTS AND UNITS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</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>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>ROTARY BODIES OTHER THAN GEARING ELEMENTS</subject><subject>SHAFTS</subject><subject>THERMAL INSULATION IN GENERAL</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB19g8IcA3SdXIMdnVRCPbxdPH0c1fwdQxxDfJ09OFhYE1LzClO5YXS3AxKbq4hzh66qQX58anFBYnJqXmpJfFeAUYGhsYGJsaWluaOxkQpAgDIISFy</recordid><startdate>20130304</startdate><enddate>20130304</enddate><creator>IMAI TAKUO</creator><creator>SATO RYO</creator><creator>TSUJIMOTO KENTARO</creator><scope>EVB</scope></search><sort><creationdate>20130304</creationdate><title>COPPER-BASED SLIDING MATERIAL</title><author>IMAI TAKUO ; SATO RYO ; TSUJIMOTO KENTARO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2013043997A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ALLOYS</topic><topic>BEARINGS</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>ELEMENTS OR CRANKSHAFT MECHANISMS</topic><topic>ENGINEERING ELEMENTS AND UNITS</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>FLEXIBLE SHAFTS</topic><topic>GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>ROTARY BODIES OTHER THAN GEARING ELEMENTS</topic><topic>SHAFTS</topic><topic>THERMAL INSULATION IN GENERAL</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>IMAI TAKUO</creatorcontrib><creatorcontrib>SATO RYO</creatorcontrib><creatorcontrib>TSUJIMOTO KENTARO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IMAI TAKUO</au><au>SATO RYO</au><au>TSUJIMOTO KENTARO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>COPPER-BASED SLIDING MATERIAL</title><date>2013-03-04</date><risdate>2013</risdate><abstract>PROBLEM TO BE SOLVED: To provide a copper-based sliding material excellent in seizure resistance by controlling the shape of Bi-phase grains dispersed in the alloy matrix of a Cu alloy containing Bi.SOLUTION: In the copper-based sliding material in which a Cu alloy layer contains 5-30 mass% of Bi with the balance consisting of Cu and inevitable impurities, Bi is dispersed as Bi-phase grains in the Cu alloy layer, wherein the Bi phase having a grain size of 2-50 μm and a circularity of 0.1-0.7 is 30% or more by mass of the total Bi phases in the Cu alloy layer. As a result, the Bi-phase grains are uniformly dispersed in the Cu alloy layer, thereby successively exposing the Bi-phase grains in the Cu alloy layer to the sliding surface accompanying the abrasion of the sliding material while suppressing excessive outflow of molten Bi. Accordingly, this copper-based sliding material has good seizure resistance.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BEARINGS BLASTING CHEMISTRY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS FLEXIBLE SHAFTS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING METALLURGY ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
| title | COPPER-BASED SLIDING MATERIAL |
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