激光与光电子学进展, 2018, 55 (1): 011413, 网络出版: 2018-09-10
激光冲击强化对电弧增材2319铝合金微观组织及残余应力的影响 下载: 1576次
Effect of Laser Shock Peening on Microstructure and Residual Stress of Wire-Arc Additive Manufactured 2319 Aluminum Alloy
图 & 表
图 2. LSP试验。(a)冲击路径;(b)强化后试样
Fig. 2. LSP experiment. (a) Impact path; (b) specimen after LSP
图 3. 晶粒微观组织。(a) LSP前;(b) LSP后
Fig. 3. Microstructures of grains. (a) Before LSP; (b) after LSP
图 4. 晶粒度软件分析结果。(a)晶粒尺寸;(b) LSP前的晶粒尺寸分布;(c) LSP后的晶粒尺寸分布
Fig. 4. Analysis results by grain size software. (a) Grain size; (b) grain size distribution before LSP; (c) grain size distribution after LSP
图 5. WAAM 2319铝合金的TEM图像。(a) LSP前;(b) LSP后
Fig. 5. TEM images of 2319 aluminum alloys by WAAM. (a) Before LSP; (b) after LSP
表 12A12基板及2319焊丝主要化学成分(质量分数,%)
Table1. Main chemical compositions of 2A12 substrate and 2319 welding wire (mass fraction, %)
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表 2WAAM工艺参数
Table2. Process parameters of WAAM
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孙汝剑, 朱颖, 李刘合, 郭伟, 彭鹏. 激光冲击强化对电弧增材2319铝合金微观组织及残余应力的影响[J]. 激光与光电子学进展, 2018, 55(1): 011413. Sun Rujian, Zhu Ying, Li Liuhe, Guo Wei, Peng Peng. Effect of Laser Shock Peening on Microstructure and Residual Stress of Wire-Arc Additive Manufactured 2319 Aluminum Alloy[J]. Laser & Optoelectronics Progress, 2018, 55(1): 011413.