FRACTURE TOUGHNESS OF X70 PIPE GIRTH WELDS USING CLAMPED SE(T) AND SE(B) SINGLE-SPECIMENS

被引：0

作者：

Park, Dong-Yeob ^{[1
]}

Gravel, Jean-Philippe ^{[1
]}

Simha, C. Hari Manoj ^{[2
]}

Liang, Jie ^{[2
]}

Duan, Da-Ming ^{[3
]}

机构：

[1] Nat Resources Canada, CanmetMAT, Calgary, AB, Canada

[2] Nat Resources Canada, CanmetMAT, Hamilton, ON, Canada

[3] TransCanada, Calgary, AB, Canada

来源：

PROCEEDINGS OF THE 10TH INTERNATIONAL PIPELINE CONFERENCE - 2014, VOL 4 | 2014年

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：

Shallow-notched single edge -notched tension (SE(T) or SENT) and deep-and shallow -notched single edge -notched bend (SE(B) or SENB) specimens with notches positioned in the weld and the heat-affected zone were tested. Crack-tip opening displacement (CTOD) versus resistance curves were obtained using both a single and double clip gauge consolidated in a SE(T) single-specimen. Up until the peak load the resistance curves from both gauging methods yield approximately the same results; thereafter the curves deviate. Interrupted testing showed that the crack had initiated below 50% of the peak load, and in some cases had propagated significantly prior to reaching the peak load.

引用

页数：7

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