Laser & Optoelectronics Progress, Volume. 56, Issue 19, 190006(2019)
Research Progress and Prospect of Laser Additive Manufacturing Technique for Magnesium Alloy
Fig. 1. Schematic of laser additive manufacturing system[17]
Fig. 2. Research process map of effects of laser power and scanning speed on Mg-9%Al alloy[22]
Fig. 3. Surface morphologies of AZ91D alloys with different laser energy densities[20]
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
Fig. 5. Microstructures of AZ91D magnesium alloy[20]. (a) Laser additive manufacturing; (b) casting
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]
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%
Fig. 8. Relationship between microhardness and grain size for magnesium alloy fabricated by laser additive manufacturing technique[49]
Fig. 9. Comparison of microhardness and Young's modulus of magnesium alloys fabricated by laser additive manufacturing technique and conventional casting and forging[40]
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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
Category: Reviews
Received: Mar. 12, 2019
Accepted: Apr. 17, 2019
Published Online: Oct. 12, 2019
The Author Email: Chen Changjun (503047820@qq.com)