摘要
根据BS7448:PartⅣ断裂韧度试验标准,采用多试样法,拟合建立了焊接接头的δ-R 曲线,确定了焊缝和热影响区(HAZ)的启裂值δ0.2。较全面地介绍了试验及曲线建立中应注意的细节问题。
To adopt many specimens method in accordance with BS7448: Part4: Fracture toughness test specification and plan to build S-R curve of welded joints and confirm starting crack value 0. 2 of weld and HAZ. The noticed detail problem of building test and curve is introduced roundly.
出处
《焊管》
2005年第4期23-26,共4页
Welded Pipe and Tube
基金
国家自然科学基金资助项目(50375109)中国海洋石油工程股份有限公司资助项目
