光学学报, 2017, 37 (9): 0914001, 网络出版: 2018-09-07
TC6钛合金激光喷丸组织演变与表面强化机理 下载: 1044次
Microstructure Evolution and Surface Strengthening Mechanism of TC6 Titanium Alloy by Laser Peening
图 & 表
图 1. (a)LP路径;(b)未去除铝箔的试样表面形貌;(c)去除铝箔的试样表面形貌
Fig. 1. (a) LP path; (b) surface topography of sample with aluminum foil; (c) surface topography of sample without aluminum foil
图 4. 试样微观组织。(a)未LP处理的晶粒形态;(b)LP处理后的晶粒形态;(c)未LP处理的微组织;(d)LP处理后的微组织
Fig. 4. Microstructures of samples. (a) Grain morphology without LP; (b) grain morphology with LP; (c) microstructure without LP; (d) microstructure with LP
图 6. 不同功率密度下LP处理试样的TEM图。(a) 未经LP处理;(b) 4 GW·cm-2;(c) 5 GW·cm-2;(d) 6 GW·cm-2
Fig. 6. TEM images of LP samples under different power densities. (a) Without LP; (b) 4 GW·cm-2; (c) 5 GW·cm-2; (d) 6 GW·cm-2
图 7. (a)显微硬度分布图;(b)残余应力分布图
Fig. 7. (a) Microhardness distributions; (b) residual stress distributions
表 1TC6钛合金的化学成分(质量分数,%)
Table1. Chemical compositions of TC6 titanium alloys (mass fraction, %)
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表 2TC6钛合金的力学性能
Table2. Mechanical property of TC6 titanium alloys
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杨祥伟, 周建忠, 盛杰, 孟宪凯, 黄舒, 杨颖秋. TC6钛合金激光喷丸组织演变与表面强化机理[J]. 光学学报, 2017, 37(9): 0914001. Xiangwei Yang, Jianzhong Zhou, Jie Sheng, Xiankai Meng, Shu Huang, Yingqiu Yang. Microstructure Evolution and Surface Strengthening Mechanism of TC6 Titanium Alloy by Laser Peening[J]. Acta Optica Sinica, 2017, 37(9): 0914001.