Influence of tool wear on residual stresses when turning Inconel 718

被引：26
|
作者：
Madariaga, A. [1 ]
Kortabarria, A. [1 ]
Hormaetxe, E. [1 ]
Garay, A. [1 ]
Arrazola, P. J. [1 ]
机构：
[1] Mondragon Uniberstitatea, Fac Engn, Loramendi 4, Arrasate Mondragon 20500, Spain
来源：
3RD CIRP CONFERENCE ON SURFACE INTEGRITY | 2016年 / 45卷
关键词：
Residual Stress; Turning; Wear; SURFACE INTEGRITY; NOSE RADIUS;
D O I：
10.1016/j.procir.2016.02.359
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper analyzes the effect of tool wear on residual stresses when turning. Inconel 718 discs were machined for prolonged periods at several cutting speeds, feed-rates and depth of cut. Tests were interrupted to measure and relate tool wear with the subsequent residual stress measurements. The discussion of experimental results is supported by orthogonal cutting simulations. It was found a critical tool wear where tensile surface residual stresses were maximum, decreasing for lower and higher values of tool wear. Nevertheless, it was observed that the compressive residual stress layer increased with increasing tool wear. (C) 2016 The Authors. Published by Elsevier B.V.
引用
收藏
页码：267 / 270
页数：4
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