Picosecond laser pulse polishing of ASP23 steel

被引：41

作者：

Chen, Yuan-Di ^{[1
]}

Tsai, Wu-Jung ^{[1
]}

Liu, Sung-Ho ^{[1
]}

Horng, Ji-Bin ^{[1
]}

机构：

[1] Ind Technol Res Inst, Laser & Addit Mfg Technol Ctr, Tainan 734, Taiwan

来源：

OPTICS AND LASER TECHNOLOGY | 2018年 / 107卷

关键词：

Laser materials processing; Picosecond laser; Powder-metallurgical steel; SURFACE-ROUGHNESS; METALS; RADIATION; ABLATION; TOOLS; PARTS; FILMS;

D O I：

10.1016/j.optlastec.2018.05.025

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Picosecond laser pulses, in laser polishing, induce a light-material interaction in an extremely short period of time to melt steel. The generated heat affected zones (HAZ) are almost negligible. The induced thermal distortion of the polished workpieces can be reduced notably. This paper shows a kind of powder-metallurgical steel, ASP23, polished by a picosecond laser. The purpose of this research is to reduce thermal distortion of the workpieces after laser polishing. The surface morphologies and roughness of the polished surfaces are shown as well. Fourier analysis is used to analyze the surfaces of polished materials. In addition, the microstructure of polished ASP23 surfaces is examined. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：180 / 185

页数：6

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