吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (6): 1618-1624.

• paper • Previous Articles     Next Articles

Wear resistance of (Mg2Si+SiCp)/ Mg composites

LIU Xiao-bo1,2,ZHAO Yu-guang1,YANG Wen1,ZHANG Jia-tao1   

  1. 1.College of Materials Science and Engineering, Jilin University, Changchun 130022,China；2.College of Mechanical Engineering, Beihua University, Jilin 132021,China
  • Received:2010-11-23 Online:2011-11-01 Published:2011-11-01

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Abstract:

A study on the abrasive wear behaviors of pure Mg and (Mg2Si+SiCp)/Mg composites in the conditions of different loads and abrasive sizes has been presented. Their worn surfaces have been observed by SEM and extracted technology. The results show that the wear resistance of (Mg2Si+SiCp)/Mg composites is much higher than that of pure Mg, because the firm Mg2Si and SiCp reinforced phases could restrain the occurring of plastic deformation, enhancing the ability of wear resistance. The wear resistance of (Mg2Si+SiCp)/Mg composites increases with increasing the content of SiC particle. After hot-extrusion, (Mg2Si+SiCp)/Mg composites exhibits the better wear resistance. And the failure mechanism of (Mg2Si+SiCp)/ Mg composites mainly is abrasive wear.

Key words: metallic material, (Mg2Si+SiCp)/Mg composites, Mg2Si and SiC particles, abrasive wear,  , wear resistance

CLC Number: 

  • TG113
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