中国激光, 2020, 47 (8): 0802006, 网络出版: 2020-08-17
稀土Sc对激光制备AlSi10Mg合金性能的影响 下载: 838次
Effects of Rare Earth Sc on Properties of Laser-Melted AlSi10Mg Alloy
图 & 表
图 2. 不同Sc含量的AlSi10Mg合金的显微组织。(a) 0;(b) 0.1%;(c) 0.2%;(d) 0.3%;(e) 0.4%;(f) 0.5%
Fig. 2. Microstructures of AlSi10Mg alloy with different Sc contents. (a) Mass fraction of Sc is 0; (b) mass fraction of Sc is 0.1%; (c) mass fraction of Sc is 0.2%; (d) mass fraction of Sc is 0.3%; (e) mass fraction of Sc is 0.4%; (f) mass fraction of Sc is 0.5%
图 3. 不同Sc含量的AlSi10Mg合金的XRD图
Fig. 3. XRD patterns of AlSi10Mg alloy with different Sc contents
图 4. 不同Sc含量的AlSi10Mg合金的SEM图。(a) 0;(b) 0.1%;(c) 0.2%;(d) 0.3%;(e) 0.4%;(f) 0.5%
Fig. 4. SEM images of AlSi10Mg alloy with different Sc contents. (a) Mass fraction of Sc is 0; (b) mass fraction of Sc is 0.1%; (c) mass fraction of Sc is 0.2%; (d) mass fraction of Sc is 0.3%; (e) mass fraction of Sc is 0.4%; (f) mass fraction of Sc is 0.5%
图 5. 图4 (b)中(AlFeSiSc)相的高倍率图
Fig. 5. High magnification diagram of (AlFeSiSc) phase in Fig. 4 (b)
图 6. 不同Sc含量的AlSi10Mg合金的能谱分析图。(a) 0;(b) 0.3%;(c) 0.4%
Fig. 6. EDS patterns of AlSi10Mg alloy with different Sc contents. (a) Mass fraction of Sc is 0; (b) mass fraction of Sc is 0.3%; (c) mass fraction of Sc is 0.4%
图 7. Sc含量对AlSi10Mg合金物理性能及力学性能的影响。(a)致密度与显微硬度;(b)压缩应力-应变曲线
Fig. 7. Effects of Sc contents on physical and mechanical properties of AlSi10mg alloy. (a) Densification and micro-hardness; (b) compression stress-strain curves
图 8. 不同Sc含量的AlSi10Mg合金热处理前后的SEM图。 (a1)~(a6) 0~0.5%,热处理前;(b1)~(b6) 0~0.5%,550 ℃/1 h+180 ℃/8 h;(c1)~(c6) 0~0.5%,550 ℃/1 h+180 ℃/12 h
Fig. 8. SEM images of AlSi10Mg alloy with different Sc contents before and after heat treatment. (a1)--(a6) Mass fraction of Sc is from 0 to 0.5%, before heat treatment; (b1)--(b6) mass fraction of Sc is from 0 to 0.5%, 550 ℃/1 h+180 ℃/8 h; (c1)--(c6) mass fraction of Sc is from 0 to 0.5%, 550 ℃/1 h+180 ℃/12 h
表 1AlSi10Mg粉末的化学组成
Table1. Chemical composition of AlSi10Mg powder
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表 2不同Sc含量AlSi10Mg的压缩性能
Table2. Compressive properties of AlSi10Mg with different Sc contents
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张宇杰, 于梅花, 杨瑞霞, 杨维维, 韦景泉, 韦悦周, 李伟洲. 稀土Sc对激光制备AlSi10Mg合金性能的影响[J]. 中国激光, 2020, 47(8): 0802006. Zhang Yujie, Yu Meihua, Yang Ruixia, Yang Weiwei, Wei Jingquan, Wei Yuezhou, Li Weizhou. Effects of Rare Earth Sc on Properties of Laser-Melted AlSi10Mg Alloy[J]. Chinese Journal of Lasers, 2020, 47(8): 0802006.