钛合金表面激光熔覆Ti/Ni+ZrO2涂层的组织与性能
Microstructure and Properties of Ti/Ni+ZrO2 Laser Cladding Layer on TA15 Titanium Alloy Surface
摘 要
为提高TA15钛合金的表面硬度和耐磨性，采用激光熔覆方法在钛合金表面制备了Ti/Ni+5% ZrO2涂层（质量分数），并对其组织和性能进行了研究。结果表明：熔覆层与基体结合良好；熔覆层中除了有Ti2Ni和TiNi金属间化合物之外还有少量的单斜相氧化锆（m-ZrO2）和四方相氧化锆（t-ZrO2）；熔覆层中主要生成相TiNi和Ti2Ni可以极大地提高熔覆层的耐磨性和硬度，ZrO2相在提高熔覆层韧性的同时，进一步提高了熔覆层的耐磨性和硬度。
激光熔覆
TiNi
ZrO2
组织
性能
TA15 titanium alloy
laser cladding
TiNi
ZrO2
microstructure
property
Abstract
In order to improve the surface hardness and wear resistance of TA15 titanium alloy, Ti/Ni+5% ZrO2 (mass fraction) coating was prepared by laser cladding method on the surface of TA15 titanium alloy. The microstructure and properties of the coating were studied. The results show that the cladding layer was well bonded with the substrate. Except of intermetallic compound Ti2Ni and TiNi, there were a small amount of monoclinic phase zirconia (m-ZrO2) and tetragonal phase zirconia (t-ZrO2) in the cladding layer. The wear resistance and hardness of the cladding layer were greatly improved by the phase of TiNi and Ti2Ni, and the toughness of the cladding layer was increased by ZrO2 phase which further increased the wear resistance and hardness of the cladding layer at the same time.
中图分类号 TN249 DOI 10.11973/lhjy-wl201802004
所属栏目 试验与研究
基金项目
收稿日期 2017/4/25
修改稿日期
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备注罗雅(1987-),女,工程师,硕士,主要从事激光加工的研发及应用工作,luoya_11@163.com
引用该论文: LUO Ya,YUAN Chenjie,ZHAO Huifeng,TIAN Futai. Microstructure and Properties of Ti/Ni+ZrO2 Laser Cladding Layer on TA15 Titanium Alloy Surface[J]. Physical Testing and Chemical Analysis part A:Physical Testing, 2018, 54(2): 103～107
罗雅,袁琛杰,赵慧峰,田富钛. 钛合金表面激光熔覆Ti/Ni+ZrO2涂层的组织与性能[J]. 理化检验－物理分册, 2018, 54(2): 103～107
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参考文献
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【2】吉楠,卫遵义,白小亮,等. TC11钛合金全范围疲劳裂纹扩展速率表征[J]. 理化检验(物理分册),2016,52(7):439-442.
【3】LANGLADE C, VANNES A B, KRAFFT J M, et al. Surface modification and tribological behaviour of titanium and titanium alloys after YAG-laser treatments[J]. Surface and Coatings Technology,1998,100:383-387.
【4】MOLINARI A, STRAFFELINI G, TESI B, et al. Effects of load and sliding speed on the tribological behaviour of Ti+6Al+4V plasma nitrided different temperatures[J]. Wear,1997,203:447-454.
【5】张永忠,金具涛,黄灿,等. 钛合金表面激光熔化沉积钛基复合材料涂层的组织及性能[J]. 稀有金属材料与工程,2010,39(8):1403-1406.
【6】范立坤. 增材制造用金属粉末材料的关键影响因素分析[J]. 理化检验(物理分册),2015,51(7):480-482,519.
【7】刘彬,方艳丽,李安,等. TA15钛合金激光表面重熔快速凝固晶粒异常粗化[J]. 稀有金属材料与工程,2009,38(6):1005-1009.
【8】邵德春,李鑫,刘克. 激光表面合金化提高钛合金高温抗氧化性能的研究[J]. 中国激光,1997,24(3):90-94.
【9】余娟娟,张晓玉,马玲玲,等. 钛合金表面激光熔覆Ti/Ni+Si3N4/ZrO2复合涂层组织与性能研究[J]. 表面技术,2016,45(4):105-109,174.
【10】FENG S R, TANG H B, ZHANG S Q, et al. Microstructure and wear resistance of laser clad TiB-TiC/TiNi-Ti2Ni intermetallic coating on titanium alloy[J]. Transactions of Nonferrous Metals Society of China,2012,22(7):1667-1673.
【11】冯淑容,张述泉,王华明. 钛合金激光熔覆硬质颗粒增强金属间化合物复合涂层耐磨性[J]. 中国激光,2012,39(2):66-71.
【12】刘元富,赵海云,王华明. 激光熔敷Ti5Si3/NiTi金属间化合物复合材料涂层组织与耐磨性[J]. 稀有金属材料与工程,2003,32(5):367-371.
【13】郭英奎,李东波,周玉,等. ZrO2(2Y)/316L不锈钢复合材料的微观组织[J]. 中国有色金属学报,2003,13(4):963-967.
【14】安林,韩静涛,陈军. WC-20%Co添加陶瓷颗粒ZrO2的试验研究[J]. 粉末冶金工业,2005,15(3):19-22.
【15】李春彦,张松,康煜平,等. 综述激光熔覆材料的若干问题[J]. 激光杂志,2002,23(3):5-9.
【16】艾云龙,马勤,邓克明,等. ZrO2+SiC颗粒强韧化MoSi2基复合材料的显微组织和性能[J]. 金属热处理学报,2000,21(4):18-22.
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