复合喷丸工艺对A100钢表面完整性和疲劳性能的影响研究  

Effect of compound shot peening on surfaceintegrity and fatigue performance of A100 steel

作　　者：关艳英 韩栋 牛博雅 成书民 王俊斌 周姗姗 Guan Yanying;Han Dong;Niu Boya;Cheng Shumin;Wang Junbin;Zhou Shanshan(AVIC Xi'an Aircraft Industry Group Co.,Ltd.,Shaanxi Xi'an,710089,China)

机构地区：[1]中航西安飞机工业集团股份有限公司,陕西西安710089

出　　处：《机械设计与制造工程》2024年第5期115-118,共4页Machine Design and Manufacturing Engineering

摘　　要：A100超高强度钢是航空领域中广泛用于关键承力部位的材料,其疲劳特性对零部件的使用性能有着重要影响。对A100超高强度钢在复合喷丸强化后的表面完整性和疲劳性能进行了研究,探究了复合喷丸工艺参数对A100超高强度钢零部件表面粗糙度、显微硬度、表面残余应力、疲劳性能等的影响。结果表明:合理的复合喷丸强化能使零部件获得良好的表面完整性,显著提升其抗疲劳性能。A100 steel is an ultra-high strength material which is widely used in aeronautics field for key bearing parts.Its fatigue property has important influence on parts structural performance.In this work,the surface integrity and fatigue performance of A100 ultra-high strength steel after compound shot peening processing are systematically studied,and the effect of compound shot peening parameters on the surface roughness,micro-hardness,surface residual stress and fatigue performance of A100 are tested.The results show a good surface integrity and an improved fatigue resistance performance of the parts after reasonable compound shot peening.

关 键 词：A100超高强度钢 复合喷丸强化 表面完整性 疲劳性能 残余应力 

分 类 号：TH871[机械工程—仪器科学与技术]