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Journal of Materials Engineering and Performance

Erschienen in:

20.07.2020

A New Modified Theta Projection Model for Creep Property at High Temperature

verfasst von: Hui Liu, Fan Peng, Yuping Zhang, Yiran Li, Kang An, Yanqing Yang, Yunxia Zhang, Xiqiang Guan, Wujun Zhu

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 7/2020

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Abstract

The theta projection method proposed by Evans and Wilshire is being widely used, as its advantages and flexibility are becoming increasingly appreciated. But in fact, some studies have shown that the theta projection method has its own shortcomings. For example, it fails to accurately describe the creep behaviors under constant load conditions. In the present paper, a new modified theta projection model is proposed to describe the variations of creep strain with time for the studied P92 alloy under constant load condition. The creep curves predicted by using the proposed model agree well with experimental data, which confirms that this established creep constitutive model can give an accurate and precise estimate of the creep behavior for P92 alloy.

Vorheriger Artikel Experimental Determination and Theoretical Prediction of Limiting Strains for ASS 316L at Hot Forming Conditions

Nächster Artikel Effect of Relative Humidity on the Tribological Performance of Pure Sliding Contacts Lubricated with Phosphorus Additive Containing Lubricants

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Titel: A New Modified Theta Projection Model for Creep Property at High Temperature
verfasst von: Hui Liu
Fan Peng
Yuping Zhang
Yiran Li
Kang An
Yanqing Yang
Yunxia Zhang
Xiqiang Guan
Wujun Zhu
Publikationsdatum: 20.07.2020
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 7/2020
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-020-04973-w

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