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Fatigue crack initiation properties of rail steels

Rice, R.C. / Broek, D.

Fatigue crack initiation properties of rail steels were determined experimentally. One new and four used rail steels were investigated. The effects of the following parameters were studied: stress ratio (ratio of minimum to maximum stress in a cycle), control mode, specimen orientation, and periodic overstrain. Both constant and variable strain amplitude experiments were performed. A model was developed, employing an equivalent strain parameter, which allowed prediction of variable amplitude fatigue crack initiation within the basic data variability.

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Fatigue crack initiation properties of rail steels

Rice, R.C. / Broek, D.

Fatigue crack initiation properties of rail steels were determined experimentally. One new and four used rail steels were investigated. The effects of the following parameters were studied: stress ratio (ratio of minimum to maximum stress in a cycle), control mode, specimen orientation, and periodic overstrain. Both constant and variable strain amplitude experiments were performed. A model was developed, employing an equivalent strain parameter, which allowed prediction of variable amplitude fatigue crack initiation within the basic data variability.

Fatigue crack initiation properties of rail steels

Rice, R.C. / Broek, D.

Fatigue crack initiation properties of rail steels were determined experimentally. One new and four used rail steels were investigated. The effects of the following parameters were studied: stress ratio (ratio of minimum to maximum stress in a cycle), control mode, specimen orientation, and periodic overstrain. Both constant and variable strain amplitude experiments were performed. A model was developed, employing an equivalent strain parameter, which allowed prediction of variable amplitude fatigue crack initiation within the basic data variability.

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Title:

Fatigue crack initiation properties of rail steels

Additional title:

Verhalten von Staehlen fuer Eisenbahnschienen gegenueber der Einleitung von Ermuedungsbruechen

Contributors:

Rice, R.C. (author) / Broek, D. (author)

Published in:

US Government Reports ; 1-65

Publication date:

1982

Size:

65 Seiten

Type of media:

Report

Type of material:

Print

Language:

English

Keywords:

STAHL , SCHIENE (EISENBAHN) , BRUCHPRUEFUNG , DAUERVERSUCH , DAUERSTANDFESTIGKEIT , VERSUCH , MODELLSIMULATION

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