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《Powder Metallurgy Technology》 2008-01
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Evaluation of Global PM oil-impregnated bearings

Howard Ⅰ.Sanderow1),Leander F.Pease Ⅲ,FAPMI,PMT Ⅱ2)1)(President,Management & Engineering Technologies,MET Group Inc.,161 Copperfield Drive,Dayton,Ohio 45415-1264,USA)2)(President,Powder-Tech Associates,Inc.,31 Flagship Drive,North Andover,Massachusetts,01845-6194,USA)  
Oil-impregnated porous powder metallurgy(PM)bearings are the earliest and most widely used PM product now manufactured throughout the world.A previous investigation of one bearing composition medium graphite-bronze found noticeable differences between bearings manufactured in North America versus similar products manufactured in Europe.A more detailed investigation has been completed which evaluated bearings from North America,Europe and Japan.Each location provided sample bearings from at least two manufacturers and two different alloys.The range of alloys included bronze,iron-copper and iron-graphite.The results confirmed previous findings that European bronze bearings differ from bearings manufactured in North America and Japan,now attributed to differences in the base copper powders.Differences were also found in the crushing strength of iron-graphite beatings manufactured in North America and Japan.The findings from these studies are presented including micrographs that confirm the differences in mechanical properties.Implications in relation to the Global standard ISO 5755 are also assessed.
【CateGory Index】: TF124.5
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【References】
Chinese Journal Full-text Database 1 Hits
1 ZHOU Wen-yan,HU Jing-zhi,ZHAO Wen,HUANG Xiao,PENG Jun,LI Song-lin(State Key Laboratory of Powder Metallurgy,Central South University,Changsha 410083,China);Core-shell structured (Cu-Sn)/Fe composite powder produced by chemical replacement[J];Materials Science and Engineering of Powder Metallurgy;2010-05
【Co-references】
Chinese Journal Full-text Database 6 Hits
1 WANG Jun li, XU Rui dong, GUO Zhong cheng, LONG Jin ming (Inst. of Material Surface Finishing and Modification, Kunming Univ. of Sci. and Tech., Kunming 650093);Optimization of the Process Conditions of Electroless Tin Plating[J];Electroplating & Pollution Contiol;2002-05
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3 XIAO Xin (Dept. of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Hunan Xiangtan 411104, China);Immersion plating of copper-tin alloy on steel and iron[J];Electroplating & Finishing;2003-06
4 FANG JING LI WU MEI FANG LIU LI (Applied Chemistry Institute,Nanjing University,China);HIGH STABLE ACID BRIGHT TIN PLATING PROCESS(NU Bri—tin Process)[J];Plating & Finishing;1987-06
5 GAO Jia-cheng,WU Shi-xue,WANG Yong,WANG Qiang(School of Materials Science and Engineering,Chongqing University,Chongqing 400030,China);Effect of additives on copper cladding on iron powder from converter sludge[J];Materials Science and Engineering of Powder Metallurgy;2007-02
6 CHANG Shi-ying,GUO Zhong-cheng(Faculty of Materials and Metallurgical Engineering,Kunming University of Science and Technology,Kunming 650093,China);RECENT ADVANCE IN TECHNOLOGY OF ANTI-OXIDATION COPPER POWDER[J];Powder Metallurgy Industry;2007-01
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