焊接接头热影响区表面裂纹疲劳扩展速率

摘要

给出了数据处理的方法,通过对试验数据的分析, 给出了裂纹扩展速率与△K的关系, 为油田的安全生产提供了依据.%This paper presents a method of treating thefatigue experimental data. Through the analysis of these data, therelationship between the crack propagating rate and K isobtained.