激光与光电子学进展, 2019, 56 (19): 190006, 网络出版: 2019-10-12
激光增材制造镁合金的研究现状及展望 
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Research Progress and Prospect of Laser Additive Manufacturing Technique for Magnesium Alloy
图 & 表
图 2. 激光功率和扫描速度对Mg-9%Al合金影响的研究过程图[22]
Fig. 2. Research process map of effects of laser power and scanning speed on Mg-9%Al alloy[22]
图 3. 基于不同激光能量密度的AZ91D合金的表面形貌[20]
Fig. 3. Surface morphologies of AZ91D alloys with different laser energy densities[20]
图 4. Mg-Ca合金的XRD图谱[23]。(a)不同激光能量密度下制得的Mg-Ca合金的XRD图谱;(b) A区的放大图;(c) B区的放大图
Fig. 4. XRD patterns of Mg-Ca alloy[23]. (a) XRD patterns of Mg-Ca alloy obtained at different energy densities; (b) details about regions marked as A;(c) details about regions marked as B
图 5. AZ91D镁合金的显微组织[20]。(a)激光增材制造;(b)铸造
Fig. 5. Microstructures of AZ91D magnesium alloy[20]. (a) Laser additive manufacturing; (b) casting
图 6. 激光增材制造镁合金的显微组织和金相图。(a) AZ91D合金纵截面的金相图[20];(b) Mg-Ca合金横截面的金相图[23];(c) AZ91D合金横截面的金相图[20];(d) AZ91D合金横截面的显微组织[20]
Fig. 6. Microstructure and metallographic microscopes of magnesium alloy fabricated by laser additive manufacturing technique. (a) Metallographic microscope of longitudinal section of AZ91D alloy[20]; (b) metallographic microscope of cross section of Mg-Ga alloy [23]; (c) metallographic microscope of cross section of AZ91D alloy[20]; (d) microstructure of cross section of AZ91D alloy[20]
图 7. 激光增材制造Mg-Zn-Zr合金的显微组织[36]。(a)(b)锌的质量分数为5.2%;(c)(d)锌的质量分数为30%
Fig. 7. Microstructures of Mg-Zn-Zr alloys fabricated by laser additive manufacturing technique[36]. (a)(b) Mass fraction of Zn is 5.2%; (c)(d) mass fraction of Zn is 30%
图 8. 激光增材制造的镁合金的显微硬度与晶粒尺寸的关系[49]
Fig. 8. Relationship between microhardness and grain size for magnesium alloy fabricated by laser additive manufacturing technique[49]
表 1激光增材制造镁合金的激光能量密度和相对密度
Table1. Laser energy density and relative density of magnesium alloy fabricated by laser additive manufacturing technique
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朱兆雨, 陈长军, 张敏. 激光增材制造镁合金的研究现状及展望[J]. 激光与光电子学进展, 2019, 56(19): 190006. Zhaoyu Zhu, Changjun Chen, Min Zhang. Research Progress and Prospect of Laser Additive Manufacturing Technique for Magnesium Alloy[J]. Laser & Optoelectronics Progress, 2019, 56(19): 190006.
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