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Dry Sliding Wear Resistance of NiMo/Mo2Ni3Si Intermetallic Composites

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Abstract:

Wear resistant NiMo/Mo2Ni3Si intermetallic composite with a microstructure of ternary metal silicide Mo2Ni3Si primary dendritic, the long strip-like NiMo intermetallic phase, and a small amount of Ni/NiMo eutectics structure were designed and fabricated. Wear resistance of NiMo/Mo2Ni3Si composites were evaluated under different load at room-temperature dry-sliding wear test conditions. Results indicate that NiMo/Mo2Ni3Si composites have excellent wear resistance and sluggish wear-load dependence. The dominant wear mechanisms of NiMo/Mo2Ni3Si composites are soft abrasion and slightly superficial oxidative wear.

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Periodical:

Advanced Materials Research (Volumes 284-286)

Pages:

65-68

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.284-286.65

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Online since:

July 2011

Authors:

Chun Yan Song, Yong Liang Gui, Bin Sheng Hu, Xue Jing Qi

Keywords:

Intermetallic, Silicide, Wear

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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