【摘要】 介绍了裂纹尖端张开位移(CTOD)评定技术的概念、发展历程、技术特点、试验方法等,提出了CTOD评定技术现有的问题并概述了这些问题的研究进展。最后简述了CTOD评定技术在工程中的广泛应用。随着相关研究的进展,CTOD理论体系必将更加完善并拥有广阔的发展前景。更多还原

【Abstract】 The concept,development history,experimental features and testing methods of CTOD experiment are introduced.The problems of CTOD and the research development about these existing problems are discussed.Finally,the widely engineering applications of CTOD experiment are summarized.With the related research develops,CTOD theory system will be more perfect and have a rosy prospect.更多还原