中国激光, 2018, 45 (5): 0502005, 网络出版: 2018-05-02
高斯模激光冲击钛合金薄壁件应力场的演变机制 下载: 664次
Evolution Mechanism of Residual Stress Field in Gaussian Laser Shocking of Titanium Alloy Thin-Wall Workpieces
图 & 表
图 4. 不同厚度试样的单点冲击残余应力场分布。(a)表面方向;(b)深度方向
Fig. 4. Distributions of residual stress field for single point shocking of specimens with different thicknesses.(a) Surface direction; (b) depth direction
图 5. 不同厚度试样的搭接冲击残余应力场分布。(a)表面方向;(b)深度方向
Fig. 5. Distributions of residual stress field for overlapping shocking of specimens with different thicknesses.(a) Surface direction; (b) depth direction
图 6. 厚度为2 mm的试样的表面残余应力场云图。(a)正面;(b)反面
Fig. 6. Cloud maps of surface residual stress field when specimen thickness is 2 mm. (a) Front face; (b) reverse face
图 7. 不同厚度试样的搭接冲击双面显微硬度分布。(a)正面;(b)反面
Fig. 7. Double-faced micro-hardness distributions for overlapping shocking of specimens with different thicknesses. (a) Front face; (b) reverse face
图 8. 不同厚度试样的搭接冲击双面残余应力
Fig. 8. Double-faced surface residual stress for overlappingshocking of specimens with different thicknesses
图 9. 不同时刻深度方向上的动态应力分布
Fig. 9. Distributions of dynamic stress along depth direction at different moments
表 1TC17钛合金模型参数
Table1. Parameters of TC17 titanium alloy model
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孙博宇, 乔红超, 赵吉宾, 陆莹, 胡太友. 高斯模激光冲击钛合金薄壁件应力场的演变机制[J]. 中国激光, 2018, 45(5): 0502005. Sun Boyu, Qiao Hongchao, Zhao Jibin, Lu Ying, Hu Taiyou. Evolution Mechanism of Residual Stress Field in Gaussian Laser Shocking of Titanium Alloy Thin-Wall Workpieces[J]. Chinese Journal of Lasers, 2018, 45(5): 0502005.