Fracture study of ferritic/martensitic steels using Weibull stress analysis at quasi-static and higher loading rates

被引：5

作者：

Tiwari, Abhishek ^{[2
]}

Gopalan, Avinash ^{[1
]}

Shokry, A. ^{[3
,4
]}

Singh, R. N. ^{[1
]}

Stahle, Per ^{[3
]}

机构：

[1] Bhabha Atom Res Ctr, Mumbai 400085, Maharashtra, India

[2] Homi Bhabha Natl Inst, Mumbai 400094, Maharashtra, India

[3] Lund Univ, Div Solid Mech, S-22100 Lund, Sweden

[4] Fayoum Univ, Dept Ind Engn, Al Fayyum 63514, Egypt

来源：

INTERNATIONAL JOURNAL OF FRACTURE | 2017年 / 205卷 / 01期

关键词：

Master curve; Loading rate; Weibull calibration; Strain rate; MASTER CURVE; CLEAVAGE FRACTURE; TEMPERATURE; PARAMETERS; TOUGHNESS; MODEL; CALIBRATION;

D O I：

10.1007/s10704-017-0184-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effect of loading rate on cleavage failure probability for ferritic/martensitic steels using Weibull stress analysis is studied. Calibration of Weibull slope for two grades of fusion reactor blanket steels namely, Indian Reduced Activation Ferritic/Martensitic Steel referred as In-RAFMS, F 82H and a non fusion grade modified 9Cr-1Mo steel (P91) are performed for the first time. The calibrated values of Weibull slope is used to predict the fracture behaviour of In-RAFMS at three different loading rates. The effect of loading rate is also examined on reference transition temperature using Wallin's correlation based on Zener-Hollomon strain rate parameter.

引用

页码：103 / 109

页数：7

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