UNSPECIFIED (1998) Classification of materials for thermoelastic stress analysis ADVANCES IN DESIGN, TESTING AND ANALYSIS. In: 11th International Conference on Experimental Mechanics, AUG 24-28, 1998, UNIV OXFORD, OXFORD, ENGLAND.

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Abstract

Thermoelastic Stress Analysis is based on detection of a temperature change due to a change in stress conditions. This temperature change, however, is accompanied by a simultaneous heal transfer. To allow accurate measurements, the test has to be conducted dynamically to keep the influences of the heat flow on the results low. Furthermore, the test components are normally painted to achieve a high and consistent emissivity. The influence of this painting on the results increases, however, with high frequencies because the paint is like a thermal resistor, but it is difficult to determine the size of this influence. Therefore it is the aim now to estimate theoretically a required minimum frequency. Different loadcases can have different temperature distribution. Therefore a general relationship cannot be found. Nevertheless with one particular example it can be demonstrated, on which variables (and the order of them) this minimum frequency is depending. Further, a classification for the performance of different materials for this measuring technique is shown.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	T Technology > TJ Mechanical engineering and machinery
Journal or Publication Title:	EXPERIMENTAL MECHANICS, VOLS 1 AND 2
Publisher:	A A BALKEMA PUBLISHERS
ISBN:	90-5809-014-0
Editor:	Allison, IM
Date:	1998
Number of Pages:	4
Page Range:	pp. 475-480
Publication Status:	Published
Title of Event:	11th International Conference on Experimental Mechanics
Location of Event:	UNIV OXFORD, OXFORD, ENGLAND
Date(s) of Event:	AUG 24-28, 1998
URI:	http://wrap.warwick.ac.uk/id/eprint/15063

Data sourced from Thomson Reuters' Web of Knowledge

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