Structural refinement of Cr-75Nb alloy subjected to air blast shot peening

DOI

10.2991/mmeceb-15.2016.138How to use a DOI?

Keywords

Cr-75Nb alloy, shot peening treatment, deformed layer, microstructure, structural refinement

Abstract

In this paper, the air blast shot peening on Cr-75Nb alloy was carried out at the pressure of 0.6 MPa and processing duration of 13 min. The result showed that a severe plastic deformation layer was gained on the surface of Cr-75Nb alloy. The thickness of deformed layer was about 50 µm, and the structural scales of Nb-based solid solutions (Nbss) of top surface layer is refined to about 22 m. The hardness of the surface layer is enhanced significantly in a narrow depth, which might be attributed to the structural refinement and/or work-hardening.

Copyright

© 2016, 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/).

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TY  - CONF
AU  - Haizhong Zheng
AU  - Qinhao Luo
AU  - XiaoYong Shu
AU  - Guifa Li
AU  - LingLing Xiong
PY  - 2015/12
DA  - 2015/12
TI  - Structural refinement of Cr-75Nb alloy subjected to air blast shot peening
BT  - Proceedings of the 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology
PB  - Atlantis Press
SP  - 699
EP  - 703
SN  - 2352-5401
UR  - https://doi.org/10.2991/mmeceb-15.2016.138
DO  - 10.2991/mmeceb-15.2016.138
ID  - Zheng2015/12
ER  -