中国激光, 2018, 45 (8): 0802006, 网络出版: 2018-08-11
Ti47Cu38Zr7.5Fe2.5Sn2Si1Ag2合金激光重熔非晶化行为 下载: 643次
Amorphization Behavior of Laser Remelted Ti47Cu38Zr7.5Fe2.5Sn2Si1Ag2 Alloys
图 & 表
图 3. 不同扫描速度下单道重熔1次的横截面形貌。(a) 900 mm/s;(b) 800 mm/s;(c) 700 mm/s;(d) 600 mm/s;(e) 500 mm/s;(f) 400 mm/s;(g) 300 mm/s;(h) 200 mm/s;(i)100 mm/s
Fig. 3. Cross sectional morphologies in single track remelting for 1 time under different scanning speeds. (a) 900 mm·s-1; (b) 800 mm·s-1; (c) 700 mm·s-1; (d) 600 mm·s-1; (e) 500 mm·s-1; (f) 400 mm·s-1; (g) 300 mm·s-1; (h) 200 mm·s-1; (i) 100 mm·s-1
图 4. 图3(g)中所示区域的SEM照片。(a) 熔池中间部位;(b)熔池底部;(c)(d)熔池右上侧
Fig. 4. SEM photos of areas indicated in Fig. 3 (g). (a) Middle part of molten pool; (b) bottom of molten pool; (c)(d) upper right side of molten pool
图 6. 基材和单道重熔1次的重熔区的XRD测试结果
Fig. 6. XRD test results of matrix and remelting region after single track remelting for 1 time
图 7. 扫描速度为700 mm/s时,单道重熔1次时过渡区的金相照片。(a)熔池左上侧;(b)熔池底部
Fig. 7. Metallographic photos of transition zone after single track remelting for 1 time at scanning speed of 700 mm·s-1. (a) Upper left side of molten pool; (b) bottom of molten pool
图 8. 扫描速度为100 mm/s时,单道重熔1次时的过渡区金相照片。(a)熔池左上侧;(b)熔池腰身处;(c)熔池底部
Fig. 8. Metallographic photos of transition zone after single track remelting for 1 time at scanning speed of 100 mm·s-1. (a) Upper left side of molten pool; (b) waist of molten pool; (c) bottom of molten pool
图 9. 扫描速度为500 mm/s时在基材不同位置单道重熔1次的金相照片
Fig. 9. Metallographic photos at different positions of matrix after single track remelting for 1 time at scanning speed of 500 mm·s-1
图 10. 不同重熔次数和扫描速度下单道重熔时的横截面形貌。(a) 2次, 1000 mm/s;(b) 2次, 900 mm/s;(c) 2次, 700 mm/s;(d) 3次, 1000 mm/s;(e) 3次, 900 mm/s;(f) 3次, 700 mm/s
Fig. 10. Cross sectional morphologies after single track remelting under different scanning speeds and remelting times. (a) 2 times, 1000 mm·s-1; (b) 2 times, 900 mm·s-1; (c) 2 times, 700 mm·s-1; (d) 3 times, 1000 mm·s-1;(e) 3 times, 900 mm·s-1; (f) 3 times, 700 mm·s-1
图 11. 不同重熔次数和扫描速度下单道重熔时的横截面形貌。(a) 2次, 500 mm/s;(b) 2次, 300 mm/s;(c) 3次, 500 mm/s;(d) 3次, 300 mm/s
Fig. 11. Cross sectional morphologies after single track remelting under different scanning speeds and remelting times. (a) 2 times, 500 mm·s-1; (b) 2 times, 300 mm·s-1; (c) 3 times, 500 mm·s-1; (d) 3 times, 300 mm·s-1
表 1单道重熔1次的参数及结果
Table1. Parameters and results in single track remelting for 1 time
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表 2图5中不同区域的EDS结果(原子数分数,%)
Table2. EDS results of different areas indicated in Fig. 5 (atomic fraction, %)
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姚建华, 刘克元, 叶正挺, 方铮, 张群莉, 杨高林. Ti47Cu38Zr7.5Fe2.5Sn2Si1Ag2合金激光重熔非晶化行为[J]. 中国激光, 2018, 45(8): 0802006. Yao Jianhua, Liu Keyuan, Ye Zhengting, Fang Zheng, Zhang Qunli, Yang Gaolin. Amorphization Behavior of Laser Remelted Ti47Cu38Zr7.5Fe2.5Sn2Si1Ag2 Alloys[J]. Chinese Journal of Lasers, 2018, 45(8): 0802006.