有色金属材料与工程2016，Vol.37Issue(6)：249-254,6.DOI:10.13258/j.cnki.nmme.2016.06.001
振动研磨工艺对QAl1044合金的表面组织及性能的影响
Effect on the Microstructure and Surface Properties of the QAl10-4-4 Alloy by the Mechanical Vibration Polishing Treatment
龚安华 1付立铭 2索忠源 1王孝忠 1单爱党3
作者信息
- 1. 上海交通大学 材料科学与工程学院, 上海 200240
- 2. 罗托克阀门控制技术(上海)有限公司, 上海 201108
- 3. 吉林化工学院 机电工程学院, 吉林 吉林 132022
- 折叠
摘要
Abstract
This paper studies the effect on microstructure and surface properties of the QAl10-4-4 alloy via mechanical vibration polishing treatment(MVPT).It is found that a hardened layer was present in the QAl10-4-4 alloy after MVPT and the hardness gradually decreases from the surface to the centre.The surface hardness increased by 20%.Compared to the samples without MVPT,samples with MVPT has a compressive stress state,increased the surface residual stress by about 300 MPa,and reduced the surface roughness and surface friction coefficient greatly which led to increase the wear resistance.Practical applications indicates that mechanical efficiency increases more than 20% by using the QAl10-4-4 alloy(with MVPT) worm wheel.The improvement of the comprehensive surface properties of the alloy with MVPT is directly associated with refinement of microstructures in the hardened layer.关键词
振动研磨抛光/QAl1044合金/组织/表面残余应力/摩擦磨损Key words
mechanical vibration polishing treatment(MVPT)/QAl10-4-4 alloy/microstructure/surface residual stress/friction and wear分类
矿业与冶金引用本文复制引用
龚安华,付立铭,索忠源,王孝忠,单爱党..振动研磨工艺对QAl1044合金的表面组织及性能的影响[J].有色金属材料与工程,2016,37(6):249-254,6.
