【行业标准】DLT1423-2015 在役发电机护环超声波检测技术导则.pdf

77.040.20H26备案号：DL中华人民共和国电力行业标准DL/T1423-2015在役发电机护环超声波检测技术导则Technicalguideoftheultrasonictestingforretainingringoftheservicegenerators2015-04-02发布2015-09-01实施国家能源局发布DL/T1423-2015目次前言1.范围·············································································52.规范性引用文件···································································53.一般要求·········································································54.检测方法·········································································65.缺陷评定·········································································76.记录·············································································77.报告·············································································8附录A（规范性附录）护环超声波检测对比试块·············································9附录B（资料性附录）晶界回波测定护环声速方法·········································102DL/T1423-2015前言本标准由中国电力企业联合会提出。本标准由电力行业电站金属材料标准化技术委员会归口。本标准主要起草单位：西安热工研究院有限公司。本标准起草单位：国网河北省电力公司电力科学研究院、徐州电力试验中心、粤电沙角C电厂、华能武汉发电有限责任公司、山东瑞祥模具有限公司、常州超声电子有限公司、宁夏大坝发电有限责任公司。本标准主要起草人：李建民牛晓光王维东刘长福李树军徐少波欧阳微万骥王雄华刘锴张红军魏忠瑞潘振新李昌夏福庆孟永乐本标准在执行过程中的意见或建议反馈至中国电力企业联合会标准化管理中心（北京市白广路二条一号100761）3