Application of the instrumented impact test for the determination of reference temperatures using the Master Curve concept

被引：0

作者：

Viehrig, HW ^{[1
]}

Böhmert, J ^{[1
]}

Dzugan, J ^{[1
]}

机构：

[1] FZR Forschungszentrum Rossendorf EV, D-01314 Dresden, Germany

来源：

MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK | 2001年 / 32卷 / 06期

关键词：

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The instrumented impact test is suitable for the determination of fracture mechanical parameters. In this paper the determination of the dynamic fracture toughness values in the lower ductile-to-brittle transition region is presented. The fracture toughness is determined at the onset of cleavage fracture and evaluated by the Master Curve (MC) concept. The MC concept allows to quantify the variation of fracture toughness with the temperature within the lower ductile-to-brittle transition region. Limit curies of fracture toughness for defined failure probabilities and a reference temperature can be determined using this method. This paper presents the application of the master curve concept to tire reference temperature determination through the thickness of reactor pressure vessel (RPV) steel plate. The reference temperatures determined dynamic fracture toughness values (T-0(dy)) are compared with quasi-static reference temperatures (T-0(st)) and Charpy-V transition temperatures (TT). T-0(dy), T-0(st) and TT increase from the surface to the middle of the RPV steel plate, compared with T-0(st), the T-0(dy) values are higher approximately 70 to 90 K.

引用

页码：568 / 573

页数：6

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