High-Energy Beam Surface Modification of Metallic Materials
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".
Deadline for manuscript submissions: closed (20 November 2022) | Viewed by 1918
Special Issue Editor
Special Issue Information
Dear Colleagues,
Intense-pulsed energetic beams, such as ion, electron, and laser beams, have been emerging as powerful surface modification techniques of metallic materials over the past few decades.
Laser beam surface modification includes laser remelting and laser shock. The former has the metal surface remelted and solidified through laser beam irradiation, realizing grain refinement and segregation elimination, which improves the surface mechanical properties. Laser shock uses the laser beam as a medium to shock and strengthen the metal surface, improving the performance of metallic materials by refining the grains and generating microscopic defects.
Electron beam surface modification mainly refers to pulsed electron beam irradiation. Atomic-level interaction between the electron beam and the metallic material produces remelting, rapid solidification, and great stress in the irradiated surface. This process can reduce the surface roughness, refine the grains, introduce microscopic defects, and realize surface amorphization, improving the surface mechanical properties and oxidation and corrosion resistance.
Ion beam surface modification refers to ion implantation technology. Ion implantation contributes to the precipitation of intermetallic compounds and alloy phases to form strengthening phases. The implanted ions can also achieve doping strengthening and solid solution strengthening, finally improving the metal surface’s mechanical properties and oxidation and corrosion resistance.
Dr. Jie Cai
Guest Editor
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Keywords
- intense pulsed electron beam
- pulsed laser beam
- intense pulsed ion beam
- surface modification
- metallic materials
- steel and iron material
- metal coating
- surface alloying
