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
收藏
页码：103 / 109
页数：7
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