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首页> 外文会议>Proceedings of the ASME power conference 2009 >The Design of the PE4710 Specification for CC N-755 Revision 1
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The Design of the PE4710 Specification for CC N-755 Revision 1

机译：CC N-755修订版1的PE4710规范的设计

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摘要

Under Section III, the ASME Special Working Group on Plastic Pipe is developing revisions to Code Case N-755 Use of Polyethylene (PE) Plastic Pipe, Sections III, Division I and IX~(1) to better specify high performance PE4710 polyethylene source materials and polyethylene materials (pipe and flanges) for use in Section III, Division I, Class 3 buried piping systems. The specification is being developed as a Mandatory Appendix IV for inclusion as part of a revision to Code Case N-755. The intent is for Mandatory Appendix IV to serve as procurement and material specifications for PE4710 polyethylene piping for Class 3 nuclear power plant essential safety systems. The proposed Mandatory Appendix IV specification is performance-based and identifies performance properties and minimum performance values for PE4710 polyethylene compounds (polyethylene source materials) and PE4710 polyethylene materials (polyethylene pipe and flange adapters) manufactured from them. The Mandatory Appendix IV specification addresses pre-processing material forms, processing requirements, and post-processing material verification. This paper reveals the design of the specificationrnand how its various components and aspects correlate to assure product performance including crack growth resistance, and ambient and elevated temperature performance.
机译：在第三节下，ASME塑料管特别工作组正在制定规范案例N-755使用聚乙烯（PE）塑料管第三节，I区和IX〜（1）的修订版，以更好地指定高性能PE4710聚乙烯原料和聚乙烯材料（管道和法兰），用于第I部分第3节第3类地下管道系统。该规范正在作为强制性附录IV开发，作为对Code Case N-755的修订的一部分包括在内。目的是强制性附录IV充当3类核电厂基本安全系统的PE4710聚乙烯管道的采购和材料规范。提议的强制性附录IV规范基于性能，并标识了由它们制造的PE4710聚乙烯化合物（聚乙烯原料）和PE4710聚乙烯材料（聚乙烯管和法兰适配器）的性能和最小性能值。强制性附录IV规范解决了预处理材料表格，处理要求和后处理材料验证的问题。本文揭示了规范的设计以及其各个组成部分和方面如何相互关联，以确保产品性能，包括抗裂纹扩展性，环境和高温性能。

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