激光与光电子学进展, 2020, 57 (1): 011403, 网络出版: 2020-01-03
选区激光熔化激光功率对316L不锈钢熔池形貌及残余应力的影响 
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Effect of Laser Power for Metal Selective Laser Melting on Morphology of 316L Stainless Steel Molten Pool and Residual Stress
图 & 表
图 5. 不同工艺参数下SLM成形试样在截面方向上的熔池形貌。(a) P=160 W,v=600 mm/s, 棋盘式扫描(No.1);(b) P=160 W,v=600 mm/s, 条纹扫描(No.2);(c) P=200 W,v=800 mm/s, 条纹扫描(No.3);(d) P=200 W,v=600 mm/s, 条纹扫描(No.4);(e) P=200 W,v=600 mm/s, 棋盘式扫描(No.5);(f) P=240 W,v=800 mm/s, 条纹扫描(No.6)
Fig. 5. Morphologies of molten pool cross section of SLM formed samples for different process parameters. (a)P=160 W, v=600 mm/s, chess scanning (No.1);(b) P=160 W, v=600 mm/s, stripe scanning (No.2); (c) P=200 W, v=800 mm/s, stripe scanning (No.3); (d) P=200 W, v=600 mm/s, stripe scanning (No.4); (e) P=200 W, v=600 mm/s, chess scanning (No.5); (f) P=240 W, v=800 mm/s, stripe scanning (No.6)
图 6. 不同工艺参数下SLM成形试样中的残余应力比较。(a) No.1与No.5;(b) No.2与No.4;(c) No.3与No.6
Fig. 6. Comparison of residual stresses in SLM formed samples with different process parameters. (a) No. 1 and No. 5; (b) No. 2 and No. 4; (c) No. 3 and No. 6
表 1SLM试样正交实验表
Table1. Orthogonal experiment table of SLM sample
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表 2SLM试样的熔池直径和残余应力对比
Table2. Comparison of molten pool diameters and residual stresses of SLM formed samples
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边培莹, 尹恩怀. 选区激光熔化激光功率对316L不锈钢熔池形貌及残余应力的影响[J]. 激光与光电子学进展, 2020, 57(1): 011403. Peiying Bian, Enhuai Yin. Effect of Laser Power for Metal Selective Laser Melting on Morphology of 316L Stainless Steel Molten Pool and Residual Stress[J]. Laser & Optoelectronics Progress, 2020, 57(1): 011403.
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