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New experimental approach for studying residual stresses in rails

Wang, Y. / Shen, X. / Chiang, F.P.

The distribution of residual stresses in the head of a rail produced by rolling cycles is investigated by dissection and non-dissection methods. In the dissection method, small grid elements are formed on the surface of the rail slice by slot cutting. The residual stresses are relieved by the cutting process. In the non-dissection method, residual stresses are relieved by an elevated temperature. The relieved residual deformations are detected by moire interferometry for both methods. The results obtained by both methods are compared and the non-dissection method is recommended.

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New experimental approach for studying residual stresses in rails

Wang, Y. / Shen, X. / Chiang, F.P.

The distribution of residual stresses in the head of a rail produced by rolling cycles is investigated by dissection and non-dissection methods. In the dissection method, small grid elements are formed on the surface of the rail slice by slot cutting. The residual stresses are relieved by the cutting process. In the non-dissection method, residual stresses are relieved by an elevated temperature. The relieved residual deformations are detected by moire interferometry for both methods. The results obtained by both methods are compared and the non-dissection method is recommended.

New experimental approach for studying residual stresses in rails

Wang, Y. / Shen, X. / Chiang, F.P.

The distribution of residual stresses in the head of a rail produced by rolling cycles is investigated by dissection and non-dissection methods. In the dissection method, small grid elements are formed on the surface of the rail slice by slot cutting. The residual stresses are relieved by the cutting process. In the non-dissection method, residual stresses are relieved by an elevated temperature. The relieved residual deformations are detected by moire interferometry for both methods. The results obtained by both methods are compared and the non-dissection method is recommended.

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Title:

New experimental approach for studying residual stresses in rails

Additional title:

Eine neue experimentelle Näherung zur Untersuchung der Eigenspannungen in Schienen

Contributors:

Wang, Y. (author) / Shen, X. (author) / Chiang, F.P. (author)

Published in:

International Conference on Contact Mechanics of Rail-Wheel Systems, 4 ; 90-94

Wear - An International Journal on the Science and Technology of Friction, Lubrication and Wear ; 191

Publication date:

1996

Size:

5 Seiten, 6 Bilder, 4 Quellen

ISSN:

DOI:

https://doi.org/10.1016/0043-1648(95)06699-3

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

Eisenbahnschiene , Eigenspannung , Spannungsmessung (mechanische Größe) , Versuchsmethode , Interferometrie , Moire-Verfahren , Zerteilen , Temperaturabhängigkeit

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