Research of Microstructure and Performance of Laser Cladding Fe-based Medium Manganese Alloy

DOI

10.2991/icmmcce-15.2015.210How to use a DOI?

Keywords

Fe-based medium manganese alloy; Laser cladding; Microstructure and performance; Tribological properties

Abstract

Fe-based medium manganese alloy coating was fabricated on 42CrMo steel surfaces using a synchronization powder feeding technique by 6 kW IPG laser apparatus. The microstructure and mechanical property were analyzed by X-ray diffractometer (XRD), scanning electron microscope (SEM), microhardness tester and SRV4 system. The results showed that the coating is divided into three parts: coating, bonding and HAZ. The microstructures are planar crystal, dendrite crystal, cellular crystal from bottom of the cladding to the top. The microhardness of the cladding layer is up to 739HV, while that of the substrate is only 251HV, the hardness incresses significantly. The abrasion performance of the cladding layer significantly improved, its relative wear resistance is 2.57 times of the substrate. After abrasion, the content of martensite in the cladding layer increases slightly, while the hardness increases.

Copyright

© 2015, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Download article (PDF)

TY  - CONF
AU  - Zhihai Cai
AU  - Ping Zhang
AU  - Xiubing Liang
AU  - Fanliang Tantai
AU  - Fan Yang
PY  - 2015/12
DA  - 2015/12
TI  - Research of Microstructure and Performance of Laser Cladding Fe-based Medium Manganese Alloy
BT  - Proceedings of the 4th International Conference on Mechatronics, Materials, Chemistry and Computer Engineering 2015
PB  - Atlantis Press
SP  - 944
EP  - 949
SN  - 2352-538X
UR  - https://doi.org/10.2991/icmmcce-15.2015.210
DO  - 10.2991/icmmcce-15.2015.210
ID  - Cai2015/12
ER  -