标准编号：ISO/TTA 5:2007
中文名称：破裂构件的蠕变/疲劳试验用操作规程
英文名称：Code of practice for creep/fatigue testing of cracked components
发布日期：2007-10
标准范围
The scope of this document is to recommend and establish standardized techniques for measuringand analysing Creep Crack Initiation (CCI), Creep Crack Growth (CCG), and Creep Fatigue CrackGrowth (CFCG) characteristics using a wide range of pre-cracked standard and non-standard 'feature'geometries. Specimens considered in this document are shown in APPENDIX I. The list of geometriesis not by any means complete and the user is advised to use appropriate information from otherdatabases for other geometries to derive the relevant fracture mechanics parameters (see Section 11)to use in the analysis. The validation of the parameters that are to be used however is important,especially where concern exists regarding the compatibility of test geometry with the actualcomponent in terms of size, the type of loading and stress state. This document allows increasedflexibility and a wider choice of geometries than previously were made available without comprisingon the important issues such as accuracy of testing and data measurements and the appropriatederivation of the correlating parameter. Less emphasis and detail has been placed on cycle dependentfatigue test methods compared to time dependent creep test methods as fatigue testing has beencomprehensively dealt with in other standards [g] and the parameters needed for its analysis arelinear elastic in nature and therefore simpler than the non-linear time dependent creep regime.
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