中国激光, 2018, 45 (11): 1102005, 网络出版: 2018-11-15
激光熔化沉积TC11钛合金的组织与力学性能 下载: 859次
Microstructure and Mechanical Properties of Laser Melting Deposited TC11 Titanium Alloys
图 & 表
图 1. TC11钛合金粉末。(a)粒径分布;(b) SEM形貌
Fig. 1. TC11 titanium alloy powder. (a) Particle size distribution; (b) SEM image
图 2. “Meander”型扫描策略。(a)第N层;(b)第N+1层
Fig. 2. “Meander” type scanning strategy. (a) Nth layer; (b) (N+1)th layer
图 4. 不同单层成形时间下的TC11钛合金宏观组织。(a) 45 min; (b) 30 min
Fig. 4. Macrostructures of TC11 titanium alloy under different deposition time. (a) 45 min; (b) 30 min
图 5. 等轴晶区及柱状晶区不同放大倍数下的微观组织。(a)等轴晶区,放大500倍; (b)等轴晶区,放大1250倍;(c)柱状晶区,放大500倍;(d)柱状晶区,放大1250倍
Fig. 5. Microstructures of equiaxed and columnar grain regions under different magnifications. (a) Equiaxed grain region, magnification of 500 times; (b) equiaxed grain region, magnification of 1250 times; (c) columnar grain region,magnification of 500 times; (d) columnar grain region,magnification of 1250 times
图 6. TC11钛合金层带处的宏/微观组织。(a)宏观组织;(b)(c)(d)微观组织
Fig. 6. Macrostructure and microstructures of layer band of TC11 titanium alloy.(a) Macrostructure; (b)(c)(d) microstructures
图 7. 双重退火态TC11钛合金的微观组织。(a)放大200倍;(b)放大1250倍
Fig. 7. Microstructure of double annealed TC11 titanium alloy. (a) Magnification of 200 times;(b) magnification of 1250 times
表 1TC11钛合金粉末的化学成分(质量分数,%)
Table1. Chemical compositions of TC11 titanium alloy powder (mass fraction, %)
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表 2TC11钛合金的室温拉伸力学性能
Table2. Tensile mechanical properties of TC11 titanium alloy at room temperature
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周庆军, 严振宇, 韩旭, 宋全, 刘京威, 王福德. 激光熔化沉积TC11钛合金的组织与力学性能[J]. 中国激光, 2018, 45(11): 1102005. Zhou Qingjun, Yan Zhenyu, Han Xu, Song Quan, Liu Jingwei, Wang Fude. Microstructure and Mechanical Properties of Laser Melting Deposited TC11 Titanium Alloys[J]. Chinese Journal of Lasers, 2018, 45(11): 1102005.