An analysis of cutting parameters, coated materials and nose radii on residual stresses when turning Inconel 718

被引：9

作者：

Huang, Zhiyang ^{[1
]}

He, Shaojie ^{[1
]}

Zhuang Kejia ^{[1
]}

Zhang, Xiaoming ^{[1
]}

Ding, Han ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Hubei, Peoples R China

来源：

7TH HPC 2016 - CIRP CONFERENCE ON HIGH PERFORMANCE CUTTING | 2016年 / 46卷

基金：

中国国家自然科学基金;

关键词：

Residual stresses; Inconel; 718; Finish machining; Nose radius; Coated material; WORKPIECE SURFACE INTEGRITY; FATIGUE LIFE; MACHINABILITY; ALLOYS; PREDICTION; TITANIUM; 718(TM); TOOLS; DRY;

D O I：

10.1016/j.procir.2016.03.123

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

As a critical characteristic parameter of surface integrity, residual stresses on the machined surface and the subsurface have a huge influence on the service quality of a component, such as fatigue life. In this paper, a comprehensive study about the effects of coated materials, nose radii and cutting parameters on finish turning processes is presented. The results show that turning by PVD coated tool with smaller nose radius can produce higher compressive residual stresses or lower tensile residual stresses which can extend the fatigue life of parts. A finite element model is established to explain the difference in residual stresses, it shows that the thermal loads play a dominant role in the generation of residual stresses. (C) 2016 The Authors. Published by Elsevier B.V.

引用

页码：368 / 371

页数：4

共 13 条

[1] Effect of Cutting Conditions on Machinability of Superalloy Inconel 718 During High Speed Turning with Coated and Uncoated PCBN Tools [J].