Research on Microstructure and Wear Resistance of Cast-Penetrated Layer Strengthened by Nano-Sized TiN Intermediate Alloy

Jing Pei Xie; Xing Hai Shao; Shu Liu; Feng Mei Wang; Ai Qin Wang; Dou Qin Ma

doi:10.4028/www.scientific.net/KEM.645-646.221

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 645-646Research on Microstructure and Wear Resistance of...

Research on Microstructure and Wear Resistance of Cast-Penetrated Layer Strengthened by Nano-Sized TiN Intermediate Alloy

Abstract:

High-Cr cast-penetrated layer contained nanometer ceramic particles was formed on the surface of the medium carbon steel ZG250-470 by adding nanoTiN intermediate alloy powder to cast-penetrated agent. Microstructure and wear resistance of the strengthened cast-penetrated layer were studied. The results showed that: compared with not adding intermediate alloy, there were finer and more uniform microstructure and better high temperature and high speed wear performance of strengthened cast-penetrated layer strengthened by nanoTiN intermediate alloy. Strengthening effect would be best by adding the intermediate alloy containing rare earth. By adding intermediate alloy containing Ni, the best high temperature wear resistance of cast-penetrated layer could be obtained.

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Periodical:

Key Engineering Materials (Volumes 645-646)

Pages:

221-225

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.645-646.221

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Online since:

May 2015

Authors:

Jing Pei Xie*, Xing Hai Shao, Shu Liu, Feng Mei Wang, Ai Qin Wang, Dou Qin Ma

Keywords:

Intermediate Alloy, Microstructure, Nanosized TiN, Wear Resistance

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