Characterization of the Fatigue Behavior of Austenitic Steel Using HTSL-SQUID

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1998
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Bassler, H.-J.
Eifler, D.
Lang, M.
Dobmann, G.
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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Abstract

The assessment of the actual fatigue damage and thus the remaining lifetime of materials is a subject of enormous scientific and economical relevance. In spite of intensive research work the quantitative evalution of fatigue damage by means of nondestructive methods in order to calculate the remaining lifetime is still impossible. This paper will describe some aspects of the cyclic deformation behavior of the metastable austenitic steel AISI 321 which is often used in power stations and chemical plant constructions. The main aim of the present investigation is to determine the fatigue damage of cyclically loaded austenitic steel specimens by detecting the plasticity induced martensite content with the help of the SQUID measuring technique [1–4].

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Thu Jan 01 00:00:00 UTC 1998