1. 毕业设计（论文）的内容和要求
铝合金具有比强度高、耐腐蚀性能和导热导电性能良好等特点，在航空航天等领域被广泛应用。
选区激光熔化（Selective Laser Melting，SLM）可以实现从金属粉末到实体零件的直接成形。
SLM成形过程涉及到复杂的物理化学和冶金过程，不合适的打印参数容易在打印过程中导致气孔和锁孔等缺陷，从而影响构件的微观组织和力学性能。
2. 参考文献
[1] C.h. Srinivasa Rakesh, Nadig Priyanka, R. Jayaganthan, Nilesh J Vasa, Effect of build atmosphere on the mechanical properties of AlSi10Mg produced by selective laser melting, Materials Today: Proceedings, Volume 5, Issue 9, Part 1,2018, Pages 17231-17238.[2] Dong Z , Liu Y , Li W , et al. Orientation dependency for microstructure, geometric accuracy and mechanical properties of selective laser melting AlSi10Mg lattices[J]. Journal of Alloys and Compounds, 2019, 791:490-500.[3] Nguyen Q B , Luu D N , Nai S M L , et al. The role of powder layer thickness on the quality of SLM printed parts[J]. Archives of Civil and Mechanical Engineering, 2018, 18(3):948-955.[4] Arfan Majeed, Yingfeng Zhang, Jingxiang Lv, Tao Peng, Zahid Atta, Altaf Ahmed, Investigation of T4 and T6 heat treatment influences on relative density and porosity of AlSi10Mg alloy components manufactured by SLM, Computers Industrial Engineering, 2019.[5] Arfan Majeed, Altaf Ahmed, Abdus Salam, Muhammad Zakir Sheikh, Surface quality improvement by parameters analysis, optimization and heat treatment of AlSi10Mg parts manufactured by SLM additive manufacturing, International Journal of Lightweight Materials and Manufacture, Volume 2, Issue 4,2019,Pages 288-295.[6] Le Zhou, Abhishek Mehta, Esin Schulz, Brandon McWilliams, Kyu Cho, Yongho Sohn, Microstructure, precipitates and hardness of selectively laser melted AlSi10Mg alloy before and after heat treatment, Materials Characterization, Volume 143,2018, Pages 5-17.
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