【英文标准名称】: Standard Practice for Examination of Welds Using the Alternating Current Field Measurement Technique 【原文标准名称】: 用交流电场测量技术检验焊缝的标准实施规程 【标准号】: ASTM E2261-2007 【标准状态】: 现行 【国别】: 【发布日期】: 2007 【实施或试行日期】: 【发布单位】: 美国材料与试验协会(US-ASTM)【起草单位】: E07.07【标准类型】: (Practice)【标准水平】: ()【中文主题词】: 交流电流;交流电场;电流测量;检验;音域测量;焊接;焊缝【英文主题词】: alternating current field measurement; electromagnetic examination; ferromagnetic weld; non-conducting material; weld; Welded construction; Alternating-current measurement; Baseline property condition assessment (PCA) process; Discontinuities; Electromagn【摘要】: The purpose of the alternating current field measurement method is to evaluate welds for surface breaking discontinuities such as fabrication and fatigue cracks. The examination results may then be used by qualified organizations to assess weld service life or other engineering characteristics (beyond the scope of this practice). This practice is not intended for the examination of welds for non-surface breaking discontinuities.1.1 This practice describes procedures to be followed during alternating current field measurement examination of welds for baseline and service-induced surface breaking discontinuities. 1.2 This practice is intended for use on welds in any metallic material. 1.3 This practice does not establish weld acceptance criteria. 1.4 The values stated in either inch-pound units or SI units are to be regarded separately as standard. The values stated in each system might not be exact equivalents; therefore, each system shall be used independently of the other. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.【中国标准分类号】: J33【国际标准分类号】: 25_160_01【页数】: 14P.;A4【正文语种】: 作者: liuxilin1215 时间: 2014-7-28 20:08:21