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《Powder Metallurgy Industry》 2002-02
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RESEARCH AND MANUFACTURE OF HIGH ALLOYED VALVE SEATS IN HIGH QUALITY

YAN Ping yu 1,LIU Shi min 2 (1.Hunan Huanyu Powder Metallurgy Co.Ltd.,Changsha Hunan 410006,China; 2.Laigang Group Powder Metallurgy Co.Ltd.,Laiwu Shandong 271105,China)  
High alloyed valve seats,taken Fe (11~13)Cr (0 5~2)Mo (1 8~2 5)C (2~4)Me as raw material,were fabricated in high quality by P/M sintering infiltration process.Density,hardness,thermal shock resistance,machinability and structure of the product are introduced briefly.Results show that the P/M valve seats have excellent properties.
【CateGory Index】: TF125
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