Influence of Heat Treatment on Fatigue Strength of Drawn Steel Tubes for Small-Sized Single Pass Boiler

Abstract:

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Tension-tension fatigue tests were performed to examine the influence of post drawing heat treatment on the fatigue properties of drawn specific steel tube (STB340) for small-sized single pass boiler. The untreated, as-drawn and post drawing heat treated series were prepared for fatigue tests. The hardness, grain size and residual stress were measured for each series. As a result, the change of grain size and residual stress was small after post heat treatment. The drawn series was softened by post heat treatment but the hardness was still higher than untreated samples. The fatigue strength of the as-drawn and the post drawing heat treated series was higher than that of untreated series. In addition, the difference of endurance limit was small between as-drawn and post drawing heat treated series.

Info:

Periodical:

Edited by:

George Ferguson, Ashvin Thambyah, Michael A Hodgson and Kelly Wade

Pages:

109-112

DOI:

10.4028/www.scientific.net/AMR.275.109

Citation:

D. Yonekura et al., "Influence of Heat Treatment on Fatigue Strength of Drawn Steel Tubes for Small-Sized Single Pass Boiler", Advanced Materials Research, Vol. 275, pp. 109-112, 2011

Online since:

July 2011

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$35.00

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