激光沉积修复BT20合金试验研究

钦兰云; 王婷; 杨光; 王维; 卞宏友; 任宇航

激光沉积修复BT20合金试验研究

钦兰云^1,2,
王婷²,
杨光²,
王维^1,2,
卞宏友²,
任宇航²

1.
沈阳工业大学机械工程学院,辽宁沈阳 110870;
2.
沈阳航空航天大学航空制造工艺数字化国防重点学科实验室,辽宁沈阳 110136

基金项目:

国家自然科学基金（51305280，51375316）;国防基础科研项目（A3520133001）;中航工业产学研创新工程（CXY2011SH16）;辽宁省教育厅科学技术研究资助项目（L2013077）

详细信息

作者简介:
钦兰云（1977- ），女，讲师，博士生，主要从事激光沉积成形、修复方面的研究工作。Email：qinly@sau.edu.cn；王维（1957- ），教授，博士生导师，博士，主要从事激光沉积制造方面的研究工作。Email：wangw1116@sau.edu.cn

钦兰云（1977- ），女，讲师，博士生，主要从事激光沉积成形、修复方面的研究工作。Email：qinly@sau.edu.cn；王维（1957- ），教授，博士生导师，博士，主要从事激光沉积制造方面的研究工作。Email：wangw1116@sau.edu.cn

中图分类号: TG166.5;TG113

Experimental study on laser deposition repair BT20 alloy component

1.
School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China;
2.
Key Laboratory of Fundamental Science for National Defence of Aeronautical Digital Manufacturing Process,Shenyang Aerospace University,Shenyang 110136,China

摘要: 采用激光沉积技术对BT20钛合金锻件加工超差及服役损伤进行修复，对修复过程中气孔和熔合不良等缺陷的形成进行了原因分析，并采用了优化工艺参数，对激光熔池施加超声外场等手段，获得无缺陷的修复试样。考察了试样的微观组织和主要合金元素的分布，测量了激光沉积层的显微硬度。结果表明：优化工艺参数后得到的修复组织和基体形成致密的冶金结合，而施加超声外场使修复区的气孔率明显下降；修复试样整体无合金元素的偏析，显微硬度分布从基材到修复区呈递增趋势。
- 激光沉积修复 /
- BT20钛合金 /
- 缺陷 /
- 力学性能 /
- 超声振动
Abstract: Researches on the laser deposition repair of BT20 alloy forgings having defects mis-machined or damage were investigated, the reasons of occurring defects such as gas porosities and ill bonding in the repaired zone were analyzed. And flawless samples were obtained through optimizing laser process parameters and introducing the ultrasonic vibration into laser deposition repair system. The microstructure characteristic of laser deposition repair component and distribution of main alloy elements were investigated, and the microhardness of the laser deposition layer was tested. The results indicate that there is a dense metallurgical bond between the repaired zone and the substrate with the optimized process parameters. While the gas porosities ratio of the laser deposition layer is decrease obviously through introducing the ultrasonic vibration to the repaired system. The component elements are unifomly distributed without fluctuation and segregation in the whole repaired sample. Distribution of microhardness from the substrate to the repaired zone showes an increasing trend.
- laser deposition repair /
- BT20 titanium alloy /
- defect /
- mechanical properties /
- ultrasonic vibration

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激光沉积修复BT20合金试验研究

Experimental study on laser deposition repair BT20 alloy component

计量

激光沉积修复BT20合金试验研究

1. 沈阳工业大学机械工程学院,辽宁沈阳 110870;

2. 沈阳航空航天大学航空制造工艺数字化国防重点学科实验室,辽宁沈阳 110136

English Abstract

Experimental study on laser deposition repair BT20 alloy component

1. School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China;

2. Key Laboratory of Fundamental Science for National Defence of Aeronautical Digital Manufacturing Process,Shenyang Aerospace University,Shenyang 110136,China

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目录

留言板

激光沉积修复BT20合金试验研究

Experimental study on laser deposition repair BT20 alloy component

计量

出版历程

激光沉积修复BT20合金试验研究

1. 沈阳工业大学 机械工程学院,辽宁 沈阳 110870; 2. 沈阳航空航天大学 航空制造工艺数字化国防重点学科实验室,辽宁 沈阳 110136

English Abstract

Experimental study on laser deposition repair BT20 alloy component

1. School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China; 2. Key Laboratory of Fundamental Science for National Defence of Aeronautical Digital Manufacturing Process,Shenyang Aerospace University,Shenyang 110136,China

全文HTML

目录

1. 沈阳工业大学机械工程学院,辽宁沈阳 110870;

2. 沈阳航空航天大学航空制造工艺数字化国防重点学科实验室,辽宁沈阳 110136

1. School of Mechanical Engineering,Shenyang University of Technology,Shenyang 110870,China;

2. Key Laboratory of Fundamental Science for National Defence of Aeronautical Digital Manufacturing Process,Shenyang Aerospace University,Shenyang 110136,China