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首页> 外文会议>International Symposium on Risk, Economy and Safety, Failure Minimisation and Analysis(Failures 2006); 20060313-17; Gordon's Bay(ZA) >DEVELOPMENTS IN SURFACE REPLICATION FOR DETECTION AND EVALUATION OF ENVIRONMENTALLY ASSISTED DEGRADATION
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DEVELOPMENTS IN SURFACE REPLICATION FOR DETECTION AND EVALUATION OF ENVIRONMENTALLY ASSISTED DEGRADATION

机译：检测和评估环境退化的表面复制技术的发展

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摘要

Environmentally Assisted Cracking (EAC) of Light Water Reactor (LWR) components has been, and continues to be, a major equipment reliability challenge to the LWR fleet worldwide. With an increasing need to improve confidence in the ability of surface inspection to detect defects and discriminate between EAC and spurious indications, alternative technologies have been pursued; one such technique being surface replication. The flexibility and toughness of Polyvinylsiloxane (PVS) polymers enables high resolution three-dimensional facsimiles of complex engineering surfaces to be acquired over a wide range of conditions, including underwater. Minimising 'false-calls' and ability to inspect previously inaccessible regions has increased awareness of replication in the LWR world. This paper provides a summary of PVS replication and assessment methods. Examples from LWR utilities in Europe and the USA are used to illustrate applications, flexibility and sensitivity of replication systems.
机译：轻水反应堆（LWR）组件的环境辅助裂化（EAC）一直并将继续是全球轻水堆船队面临的主要设备可靠性挑战。随着人们越来越需要提高对表面检测能力的信心，以检测缺陷并区分EAC和伪造迹象，人们一直在寻求替代技术。一种这样的技术是表面复制。聚乙烯基硅氧烷（PVS）聚合物的柔韧性和韧性使得能够在包括水下在内的各种条件下获得复杂工程表面的高分辨率三维传真。最大限度地减少“误报”和检查以前无法访问的区域的能力，已经提高了对LWR世界中复制的意识。本文总结了PVS复制和评估方法。欧洲和美国的LWR实用程序中的示例用于说明复制系统的应用，灵活性和敏感性。

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