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Technical Briefs

Application of Manson–Haferd and Larson–Miller Methods in Creep Rupture Property Evaluation of Heat-Resistant Steels

[+] Author and Article Information
Jie Zhao

School of Material Science and Engineering, Dalian University of Technology, No. 2 LingGong Road, Dalian City, Liaoning Province, 116085, P.R. Chinajiezhao@dlut.dlut.edu.cn

Dong-Ming Li, Yuan-Yuan Fang

School of Material Science and Engineering, Dalian University of Technology, No. 2 LingGong Road, Dalian City, Liaoning Province, 116085, P.R. China

J. Pressure Vessel Technol 132(6), 064502 (Oct 22, 2010) (4 pages) doi:10.1115/1.4001916 History: Received July 30, 2008; Revised December 23, 2009; Published October 22, 2010; Online October 22, 2010

The current paper discusses the selection of Manson–Haferd and Larson–Miller constants on correlation results of creep rupture property in several heat-resistant steels. It indicates that the change in Larson–Miller constant CLM has obvious effect on the predicting result of rupture life and the optimal CLM values will depend on materials and the optimal ranges of the values are narrow. However, for Manson–Haferd constants Ta and logta, they are at least phenomenally not independent variables but show a linear relationship: logta=27.0150.0267Ta. It is shown that the values of Manson–Haferd constants (Ta,logta) can be selected in a wide range with desirable correlation accuracy and a set of Manson–Haferd constant (Ta=450,logta=15) is recommended to correlate the creep rupture data.

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Copyright © 2010 by American Society of Mechanical Engineers
Topics: Creep , Heat , Steel , Rupture
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Figures

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Figure 1

Analysis results of creep rupture data using various LM constants for 2.25Cr–1Mo (plate) and 9Cr–1Mo (tube) steels

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Figure 2

The relationship of MH constants (Ta,log ta) of 1Cr–1Mo–0.25 V (forging) steel according to creep rupture data

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Figure 3

(a) The creep rupture data and master curves of 1Cr–1Mo–0.25 V (forging) steel using various MH constants (Ta,log ta) and (b) the stress-rupture life prediction results using various MH constants by comparing with experimental data

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Figure 4

The relationship of MH constants (Ta,log ta) of several steels

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Figure 5

The creep rupture data and master curves of several steels using the MH constant (450, 15)

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Figure 6

The stress-rupture life prediction using the MH constant (450, 15) comparing with experimental data

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