标准编号：ISO 18488:2015
中文名称：管道系统用聚乙烯（PE）材料 应变硬化模量与慢速裂纹扩展有关的测定 试验方法
英文名称：Polyethylene (PE) materials for piping systems — Determination of Strain Hardening Modulus in relation to slow crack growth — Test method
发布日期：2015-09
标准范围
This International Standard specifies a method for the determination of the strain hardening moduluswhich is used as a measure for the resistance to slow crack growth of polyethylene.The strain hardening modulus is obtained from stress-strain curves on compression moulded samples.This International Standard describes how such measurement is performed and how the strainhardening modulus shall be determined from such a curve. Details of the required equipment, precision,and sample preparation for the generation of meaningful data are given.This International Standard provides a method that is valid for all types of polyethylene, independentfrom the manufacturing technology, comonomer, catalyst type, that are used for pipes and fittingsapplications.
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