| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8026603 | Surface and Coatings Technology | 2015 | 8 Pages |
Abstract
The aim of this paper is to achieve the refinement of cladding coatings by using re-melting process. In this study, Fe-based alloy powder and Fe-based alloy mixed with Ti powder were used as cladding materials, and the cross-section morphologies and characteristics of different coatings were compared and analyzed. Subsequently, high-speed re-melting experiment has been done on a selected layer and the refinement of the coatings had been achieved. With the increase of re-melting scanning speed, the area and crystalline size of refined zone decrease obviously. Meanwhile, a three-dimensional (3D) finite element model (FEM) has been built to provide a thermal field analysis for laser re-melting. Finally, the refinement of the entire overlapping coating has been achieved.
Related Topics
Physical Sciences and Engineering
Materials Science
Nanotechnology
Authors
Wenyan Gao, Shusen Zhao, Yibo Wang, Zhiyan Zhang, Chunyang Zhou, Xuechun Lin,