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Title: Evaluation of fatigue damage using a magnetic measurement technique

Abstract

A series of strain-controlled fatigue tests were performed on 0.1wt% C Fe-C alloy samples under different strain amplitudes. The measured coercivity of these samples was found to behave differently in the initial and final stages of fatigue. In the intermediate stage of fatigue it was found that coercivity tended to increase, while initial and maximum permeabilities tended to decrease. This could be related to the changes in the surface structure which were observed by SEM. The present results indicate that hysteresis parameters are related to the accumulation of fatigue damage, and therefore it is possible to develop a magnetic measurement technique for monitoring fatigue damage in steel components.

Authors:
; ; ;
Publication Date:
Research Org.:
Ames Lab., IA (US)
Sponsoring Org.:
USDOE; National Science Foundation (NSF)
OSTI Identifier:
20000832
Resource Type:
Journal Article
Journal Name:
IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers)
Additional Journal Information:
Journal Volume: 35; Journal Issue: 5Pt2; Conference: 1999 international magnetics conference (Intermag '99), Kyongju (KR), 05/18/1999--05/21/1999; Other Information: PBD: Sep 1999; Journal ID: ISSN 0018-9464
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 42 ENGINEERING; FATIGUE; MAGNETIC TESTING; MICROSTRUCTURE; COERCIVE FORCE; HYSTERESIS; STEELS

Citation Formats

Lo, C.C.H., Tang, F., Jiles, D.C., and Biner, S.B. Evaluation of fatigue damage using a magnetic measurement technique. United States: N. p., 1999. Web. doi:10.1109/20.800727.
Lo, C.C.H., Tang, F., Jiles, D.C., & Biner, S.B. Evaluation of fatigue damage using a magnetic measurement technique. United States. doi:10.1109/20.800727.
Lo, C.C.H., Tang, F., Jiles, D.C., and Biner, S.B. Wed . "Evaluation of fatigue damage using a magnetic measurement technique". United States. doi:10.1109/20.800727.
@article{osti_20000832,
title = {Evaluation of fatigue damage using a magnetic measurement technique},
author = {Lo, C.C.H. and Tang, F. and Jiles, D.C. and Biner, S.B.},
abstractNote = {A series of strain-controlled fatigue tests were performed on 0.1wt% C Fe-C alloy samples under different strain amplitudes. The measured coercivity of these samples was found to behave differently in the initial and final stages of fatigue. In the intermediate stage of fatigue it was found that coercivity tended to increase, while initial and maximum permeabilities tended to decrease. This could be related to the changes in the surface structure which were observed by SEM. The present results indicate that hysteresis parameters are related to the accumulation of fatigue damage, and therefore it is possible to develop a magnetic measurement technique for monitoring fatigue damage in steel components.},
doi = {10.1109/20.800727},
journal = {IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers)},
issn = {0018-9464},
number = 5Pt2,
volume = 35,
place = {United States},
year = {1999},
month = {9}
}