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无损检测超声检验测量接触探头声束特性的.PDF

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[cs 19.100 J04 中 华 人 民 共 和 国 国 家 标 准 Gs/T 18852一2002/1S012715:1999 无损检测 超声检验 测量接触探头声束特性的 参考试块和方法 Ultrasonicnon-destructivetesting-Referenceblocks andtestproceduresforthecharacterization ofcontactsearchunitbeamprofiles (ISO 12715:1999,IDT) 2002一10一11发布 2003一05一01实施 中 华 人 民 共 和 国 发 布 国家 质 量 监 督 检 验 检 疫 总 局 GB/T 18852-2002/1S0 12715:1999 目 次 前言 ··································“·······”····”·······························“·······················…… I 引言 ····················。···························································································…… 1 1 范围 ·1 2 规范性引用文件 ··················”·······················”································”·············…… 1 3 符号和缩略语 ·····························································································…… 1 3.1 符号 ···················,····,································,,,,,,····”··,···”,·,·········,··,··一· 2 3.2 缩略语 ······································································································…… 2 4 参考试块 ·····································································································… … 3 4.1半圆阶梯试块(HS试块) “·························“·”························…·…二‘二‘二‘’二二‘’·”’3 4.2 横孔试块((SDH试块》 ···“························”··················································… … 3 5 测量方法 ·····································································“·······················…… 3 5.1 直探头 ················”·····························”···················.·,··········”··”··············…… 3 5.2 斜探头 ······································································································…… 4 5.3 双晶探头 ··············
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