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RESEARCH PAPERS

Residual Stress Distribution in Machining Annealed 18 Percent Nickel Maraging Steel

[+] Author and Article Information
Shaik Jeelani

School of Engineering, Tuskegee Institute, Tuskegee, Ala. 36088

J. A. Bailey

Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, N.C. 27650

J. Eng. Mater. Technol 108(2), 93-98 (Apr 01, 1986) (6 pages) doi:10.1115/1.3225865 History: Received December 12, 1983; Online September 15, 2009

Abstract

A novel electrolytic etching technique is used to determine the residual stress distribution in the machining of annealed 18 percent nickel maraging steel. Ring shaped specimens were machined under unlubricated orthogonal conditions with carbide cutting tools having wear lands of 0.125, 0.25, and 0.5 mm length at cutting speeds ranging between 0.05 and 1.60 ms−1 . The results of the investigation show that the residual stresses are tensile at the machined surface and decrease with an increase in depth beneath the machined surface. The maximum (near surface) residual stress and depth of the severely stressed region increase with an increase in cutting speed and tool wear land length. The results are interpreted in terms of the variations in the amount of surface region deformation produced by changes in cutting conditions.

Copyright © 1986 by ASME
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