Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1572710 | Materials Characterization | 2006 | 7 Pages |
Abstract
Microstructure characterization is important for controlling the quality of laser cladding. In the present work, a detailed microstructure characterization by transmission electron microscopy was carried out on the iron-based alloy laser-clad on Al-Si alloy and an unambiguous identification of phases in the coating was accomplished. It was found that there is austenite, Cr7C3 and Cr23C6 in the clad region; α-Al, NiAl3, Fe2Al5 and FeAl2 in the interface region; and α-Al and silicon in the heat-affected region. A brief discussion was given for their existence based on both kinetic and thermodynamic principles.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Science (General)
Authors
Z. Mei, W.Y. Wang, A.H. Wang,