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TECHNICAL BRIEFS

A New Method to Measure the Microresidual Stress-Field Around Inclusions

[+] Author and Article Information
L. B. Gulbransen, S. K. Chatterjee

Department of Mechanical and Aerospace Engineering, Washington University, St. Louis, Mo.

J. Basic Eng 90(4), 620-622 (Dec 01, 1968) (3 pages) doi:10.1115/1.3605210 History: Received July 24, 1968; Online November 03, 2011

Abstract

A brief review of various theories of interaction of inclusions and domain walls in a ferromagnetic material is presented. A postulate concerning the modification of domain patterns by inclusions, based on theory, is described and the various free-energy contributions of the inclusion to the matrix in the vicinity of the inclusion are discussed. Examples of domain wall bending in ingot iron by manganese sulfide inclusions are shown to agree with the postulated model of interaction of a stress field around the inclusion and the domain wall.

Copyright © 1968 by ASME
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