中国激光, 2018, 45 (7): 0702007, 网络出版: 2018-09-11
激光增材制造Ti60A钛合金的氧化行为 
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Oxidation Behaviors of Ti60A Titanium Alloy Processed by Laser Additive Manufacturing
图 & 表
图 2. 不同放大倍数下Ti60A钛合金的显微组织。(a)(c)沉积态;(b)(d)锻态
Fig. 2. Microstructures of Ti60A alloys under different amplification factors. (a)(c) As-deposited; (b)(d) as-forged
图 3. 不同温度下氧化100 h后Ti60A钛合金的表面形貌。(a)沉积态,600 ℃;(b)锻态,600 ℃;(c)沉积态,700 ℃;(d)锻态,700 ℃;(e)沉积态,800 ℃;(f)锻态,800 ℃
Fig. 3. Surface morphologies of Ti60A alloys after 100 h continuous oxidation under different temperatures. (a) As-deposited, 600 ℃; (b) as-forged, 600 ℃; (c) as-deposited, 700 ℃; (d) as-forged, 700 ℃; (e) as-deposited, 800 ℃; (f) as-forged, 800 ℃
图 4. 不同温度下Ti60A钛合金的氧化增重曲线
Fig. 4. Oxidation weight increase curves of Ti60A alloys under different temperatures
图 5. Ti60A钛合金表面的XRD结果。(a)沉积态;(b)锻态
Fig. 5. XRD results of Ti60A alloy surfaces. (a) As-deposited; (b) as-forged
图 6. 不同温度下氧化100 h后Ti60A钛合金氧化层的横截面形貌。(a)沉积态,600 ℃;(b)锻态,600 ℃;(c)沉积态,700 ℃;(d)锻态,700 ℃;(e)沉积态,800 ℃;(f)锻态,800 ℃
Fig. 6. Cross-sectional morphologies of oxidation layers of Ti60A alloys after 100 h continuous oxidation under different temperatures. (a) As-deposited, 600 ℃; (b) as-forged, 600 ℃; (c) as-deposited, 700 ℃; (d) as-forged, 700 ℃; (e) as-deposited, 800 ℃; (f) as-forged, 800 ℃
图 7. Ti60A钛合金800 ℃氧化100 h后的氧化层EDS面扫描。(a)(c)扫描位置;(b)(d)扫描结果
Fig. 7. EDS area scanning of oxidation layers of Ti60A alloys after 100 h continuous oxidation at 800 ℃. (a)(c) Scanning positions; (b)(d) scanning results
图 8. Ti60A钛合金在800 ℃下氧化100 h后的氧化层EDS线扫描。(a)(d)扫描位置;(b)(e) Al的扫描结果;(c)(f) Ti的扫描结果
Fig. 8. EDS line scanning of oxidation layers of Ti60A alloys after 100 h continuous oxidation at 800 ℃. (a)(d) Scanning positions; (b)(e) scanning results of Al; (c)(f) scanning results of Ti
图 9. 不同温度下氧化100 h后Ti60A钛合金的显微硬度。(a) 600 ℃;(b) 700 ℃;(c) 800 ℃
Fig. 9. Microhardness of Ti60A alloys after 100 h continuous oxidation under different temperatures. (a) 600 ℃; (b) 700 ℃; (c) 800 ℃
表 1Ti60A钛合金的化学成分(质量分数,%)
Table1. Chemical compositions of Ti60A alloys (mass fraction, %)
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表 2Ti60A钛合金800 ℃氧化100 h后的氧化层元素含量(原子数分数,%)
Table2. Element compositions of oxidation layers of Ti60A alloys after 100 h continuous oxidation at 800 ℃ (atomic fraction, %)
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刘金, 王薇茜, 程序, 汤海波. 激光增材制造Ti60A钛合金的氧化行为[J]. 中国激光, 2018, 45(7): 0702007. Jin Liu, Weixi Wang, Xu Cheng, Haibo Tang. Oxidation Behaviors of Ti60A Titanium Alloy Processed by Laser Additive Manufacturing[J]. Chinese Journal of Lasers, 2018, 45(7): 0702007.
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