磨削参数对TC4钛合金叶片榫齿表面完整性的影响  

Effects of Grinding Parameters on Surface Integrity of TC4 Titanium Alloy Blade Root

作　　者：吴志新 马芳薇 汤佳智 袁沛雨 谭靓 WU Zhi-xin;MA Fang-wei;TANG Jia-zhi(AECC SHENYANG LIMING AERO-ENGINE CO.LTD.,Shenyang 110043;Key Laboratory of High Performance Manufacturing for Aero Engine,Northwestern Polytechnical University,Ministry of Industry and Information Technology,Xi'an 710072)

机构地区：[1]中国航发沈阳黎明航空发动机有限责任公司,沈阳110043 [2]西北工业大学航空发动机高性能制造工信部重点实验室,西安710072

出　　处：《航空精密制造技术》2023年第2期1-4,20,共5页Aviation Precision Manufacturing Technology

基　　金：中国博士后科学基金(2022M712199);国家自然科学基金(51905440,92160301)。

摘　　要：通过磨削工艺试验和表面完整性测试,采用三因素三水平正交试验方法研究了磨削工艺参数对TC4钛合金叶片榫齿表面粗糙度、表面形貌、表层显微硬度、表层残余应力和表层微观组织的影响。综合表面完整性指标特征,获得TC4钛合金叶片榫齿表面完整性精密磨削工艺参数域:磨削深度0.35~0.55mm,磨削速度14~16m/s,工件进给速度225~250mm/min。In this paper,the effects of grinding parameters on surface roughness,surface topography,surface layer microhardness,surface layer residual stress and surface layer microstructure of tenon teeth of TC4 titanium alloy blades were studied by using three factors and three levels orthogonal test method through grinding process experiment and surface integrity measurement.Integrated surface integrity index characteristics,the parameter region of precision grinding process for surface integrity of tenon teeth on TC4 titanium alloy blades were obtained:grinding depth 0.35~0.55mm,grinding velocity 14~16m/s,feed velocity 225~250mm/min.

关 键 词：TC4钛合金 磨削参数 表面完整性 表面粗糙度 残余应力 

分 类 号：TG58[金属学及工艺—金属切削加工及机床]