Influence of Mo on Ni-15Cr Cladding Layers via Plasma Transferred Arc

Author:

Shi Peiran,Yin Hang,Zhou Yichen,Zhang Guodong

Abstract

The composite Ni-Cr-Mo covering layers with excellent corrosion and wear resistance are deposited by plasma transferred arc (PTA), which can improve the service life of ships and solve the corrosion and wear problems of mechanized boats. The effects of Mo on the microstructure, hardness and corrosion resistance of covering layers were analyzed by OM, SEM, XRD, EDS, a micro hardness test, a friction test and a corrosion-resistance test. The results show that the structure of covering layers change and the austenite precipitates become granular with an increase of Mo content. In addition, the corrosion and wear resistance of covering layers are improved and the sample with 5% content of Mo has the best wear and corrosion resistance.

Funder

Hubei Provincial Natural Science Foundation of China

Publisher

MDPI AG

Subject

General Materials Science

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