Femtosecond and Nanosecond Laser Peening of Stainless Steel

被引：21
|
作者：
Nakano, Hitoshi [1 ]
Tsuyama, Miho [1 ]
Miyauti, Sho [1 ]
Shibayanagi, Toshiya [2 ]
Tsukamoto, Masahiro [2 ]
Abe, Nobuyuki [2 ]
机构：
[1] Kinki Univ, Sch Sci & Engn, Osaka 5778502, Japan
[2] Osaka Univ, Joining & Welding Res Inst, Osaka 5670047, Japan
来源：
JOURNAL OF LASER MICRO NANOENGINEERING | 2010年 / 5卷 / 02期
关键词：
laser peening; femtosecond laser; nanosecond laser; stainless steel; hardness;
D O I：
10.2961/jlmn.2010.02.0014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We have compared the results of laser shock peening obtained by using a femtosecond laser with those obtained by using a nanosecond laser. Commercial SUS304 stainless steel was used as the test sample. The sample was subject to femtosecond or nanosecond laser-shock loading in a plasma confined by water. The Vickers microhardness test was used to evaluate the work hardening in the sample due to the plastic deformation induced by the laser peening. The surface hardness of stainless steel increased linearly with laser energy. The results of this study indicate that the extent of work hardening is similar for both femtosecond and nanosecond laser peening. DOI:10.2961/jlmn.2010.02.0014
引用
收藏
页码：175 / 178
页数：4
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