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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