武汉工程职业技术学院学报2016，Vol.28Issue(4)：5-8,4.
国家标准GB／T21143中CTOD计算公式转动修正方法探讨
Study on Rotation Correction Methods of CTOD Calculation Formula Recommended by GB/T 21143
摘要
Abstract
In response to the crack tip opening displacement (CTOD) calculation formula revision in the new edition GB/T 21143 -2014 ,study on the effect of metal material fracture toughness testing results was conducted .By making a comparative analysis of GB/T 21143-2007 ,GB/T 21143-2014 ,ISO 1235 :2002 and BS 7448:1991 ,we found that CTOD values calculated according to GB/T 21143-2014 were 20%lower than that of other standards .As a result ,when inspecting product quality according to different standards or making third‐part arbitration ,argument arises .In view of this situation ,the rotation correc‐tion methods recommended by GB/T 21143 -2014 should be popularized and accepted by other standards w hile revising .关键词
裂纹尖端张开位移/CTOD测试标准/断裂韧性/仲裁/质量异议/国标修订/CTOD计算Key words
crack tip opening displacement/CTOD test standard/fracture toughness/arbitration/quality objection/national standard modification/CTOD calculation分类
矿业与冶金引用本文复制引用
刘冬,杜丽影,李荣锋..国家标准GB／T21143中CTOD计算公式转动修正方法探讨[J].武汉工程职业技术学院学报,2016,28(4):5-8,4.
