回顾并评述了目前世界范围内的主流的“未爆先漏(LBB)”理论,指出LBB评定图技术是目前较能适合工程安全评定并被广泛应用的LBB准则.综述了LBB技术应用现状,指出LBB技术在压力容器设计方面的应用还仅处于初级的理想状态；而LBB技术在压力容器评定方面的应用,先漏后爆(LBB)评定图的改造、裂纹扩展稳定性分析及泄漏率的计算是亟待解决的问题,为下一步LBB技术应用研究工作指明了方向.
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