1C801.040.19:19.100 J04 GB 中华人民共和国国家标准 GB/T20737-2006/Is0/TS18173:2005 无损检测 通用术语和定义 Non-destructive testing-General terms and definitions (1S0/TS18173:2005,DT) 2006-12-25发布 2007-05-01实施 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 发布
ICS J 04 01.040.19:19 100 蜀黔 中 华 人 民 共 和 国 国 家 标 准 GB/T20737一2006/150/TS18173:2005 无损检测 通用术语和定义 Non-destructivetesting，-Generaltermsanddefinitions (150/TS18173:2005，IDT) 2006一12一25发布 2007一05一01实施 中华人民共和国国家质量监督检验检疫总局 中 国 国 家 标 准 化 管 理 委 员 会 发 布
GB/T20737-2005/S0/T818173:2005 前 本标准等同采用150/丁518173：20051无损检利酒用术语和定义（英文极）， 本标祁等同翻详1S0/丁S18173:2005, 为粳于使用，本标准金了下列编料性修改 )·本技术规花”一词做为木标准”： 》厘除美文版中的前吉和引言： c)增却了中文素引。 本标准由中国凯械工业联合会是出， 本标在由全因无损检圈标准化技术委员会(SAC/TC55)归口， 本标在起草单位：上海材料研究断 本标准主要起草人金字飞
GB/T20737一2006/150/TS18173:2005 月U 吕 本标准等同采用 150/TS18173:2OO5(无损检测 通用术语和定义》(英文版)。 本标准等同翻译 150/TS18173:2005。 为便于使用，本标准做了下列编辑性修改: a) “本技术规范”一词改为“本标准，’; b) 删除英文版中的前言和引言; c) 增加了中文索引。 本标准由中国机械工业联合会提出。 本标准由全国无损检测标准化技术委员会(sAC/TC56)归口。 本标准起草单位:上海材料研究所。 本标准主要起草人:金宇飞
GB/T20737-2006/150/T818173:2005 无损检测通用术语和定义 【览图 本标准界定了在无损龄御专业中广泛使用的塘用技术术语， 2术语和定义 2.1 合格质量水平cceptable quall的ll 在拍样栓测中，技军均方式处理广就认为是符合要求的有缺箔的最大百分数城每百个单元中有缺 貉单元的最大数， 2.2 骏收准测nccept扣nce criteri 为确定被检试样的可验牧性乐低据的准则， 2.3 随收水平cept血ce level 验收等银 为了验收成拒收，将一姐规定参数设定为门橙， 2.4 人工不连接artificial discontinuity 用机械或其能方法加工到材料块上的诸如孔或槽口等不连地， 2.5 仪望校准calibrati0n,instrument 用已知参考物比较仅器或湖节仅装， 2.6 缺霜defect 尺寸、彩状，取向、俊置或性爱不满足规定的验收准别百拒致的一个或多个伤。 2.7 检测灵兹度detectio阳shi) 一种NDT技术输到不莲援的形力。 牲：较病的被测灵能童，具有校强的险满地小不法续的装力（是检测门榴）， 2.8 检测门盘deteetion threshold 检测闲值 粒测所能够显示的最：界限， 2.9 不连接discontinaity 连候成结合的缺失：材料或工件在物理结构政形状上有意豆无意的中斯， 2.10 伪是示faks城ndicntion 但是示
GB/T20737一2006/150/TS18173:2005 无损检测 通用术语和定义 范围 本标准界定了在无损检测专业中广泛使用的通用技术术语。 2 术语和定义 2.1 合格质t水平 acceptablequaltyl曰el 在抽样检测中，按平均方式处理而被认为是符合要求的有缺陷的最大百分数或每百个单元中有缺 陷单元的最大数。 2.2 验收准则 ac此ptancecriteria 为确定被检试样的可验收性所依据的准则。 2.3 验收水平 aceptancelevel 验收等级 为了验收或拒收，将一组规定参数设定为门槛。 2.4 人工不连续 artificialdiscontinuity 用机械或其他方法加工到材料块上的诸如孔或槽口等不连续。 2.5 仪器校准 calibration，instfument 用已知参考物比较仪器或调节仪器。 2.6 缺 陷 defect 尺寸、形状、取向、位置或性质不满足规定的验收准则而拒收的一个或多个伤。 2.7 检测灵敏度 detectionsensitivity 一种 NDT技术检测不连续的能力 注:较高的检测灵敏度，具有较强的检测微小不连续的能力(见检测门槛)。 2.8 检测门槛 detection threshold 检测阑值 检测所能够显示的最低界限。 2.9 不连续 discontinuity 连续或结合的缺失;材料或工件在物理结构或形状上有意或无意的中断 2.10 伪显 示 falseindication 假显示
GB/T20737-2006/150/T518173.2005 被解释皮是由不莲编或缺欠之外的其能状况所引超的信号或表现，其形式随所用的NDT方祛而 变化： 2.11 伤山w 街伤 用NDT可检测到的，但不一定是拒收的缺欠孩不速蝶 2.12 伤精性化门aw characterization 伤表征 基于NDT府应，对伤用尺寸，形状，收向，位置、形蛇或其他特任来表示的过程。 2.13 缺欠imperfection 质量特生与领期状况的输离。 214 显示indication 不莲续的信号或表现，其形式随所用的NDT方佐而变化。 2.15 解释interpretation 确定是否是相关显示，非相关显示戏伪显示， 2.16 暖声noie 不想要的信号或响度，它们会干扰对想受的信号或响应的接收，解释或处理。 2.17 无播评价non-destructive cvaluation 无桐检测 见无横检测(2.20)， 2.18 无横检查on-destructive examination 无损检测 无用检粒 见无损拉测(2,20)， 2.19 无提检验mon-destructive in好cction 无相检测 无州探齿 见无损检测(2,20)。 220 无领校测non-destruetive1sta球 NDT 以不阳害领期实用性和可月性的方式来检查材料或零部件的技术方法的开复和应用，其日的是为 了：探酒，定位，制量和浮定伤：评价党整性、性质和构成：测量儿何特性， 2
GB/T20737一2006/150/TS 18173:2005 被解释成是由不连续或缺欠之外的其他状况所引起的信号或表现，其形式随所用的 NDT方法而 变化 。 2.11 伤 flaw 损伤 用 NDT可检测到的，但不一定是拒收的缺欠或不连续。 2。12 伤特性化 flawcharac terization 伤表征 基于 NDT响应，对伤用尺寸、形状、取向、位置、形成或其他特征来表示的过程。 2.13 缺欠 imperrection 质量特性与预期状况的偏离。 2.14 显 示 indication 不连续的信号或表现，其形式随所用的NDT方法而变化。 2.15 解释 inte印retation 确定是否是相关显示、非相关显示或伪显示。 2.16 噪声 noise 不想要的信号或响应，它们会干扰对想要的信号或响应的接收、解释或处理。 2.17 无损评价 non-destructiveevaluation 无损检测 见无损检测(2.20)。 2.18 无损检查 no介destructiveexamination 无损检测 无损检验 见无损检测(2.20)。 2.19 无损检验 non-destructiveinspection 无损检测 无损探伤 见无损检测(2 20)。 2 20 无损检测 no介destructivetesting ND T 以不损害预期实用性和可用性的方式来检查材料或零部件的技术方法的开发和应用，其 目的是为 了:探测、定位、测量和评定伤 ;评价完整性、性质和构成;测量几何特性。 2
GB/T20737-2006/150/Ts18173:2005 2.21 非相关显示monrelevant imdication 由牛拒牧的不选蠕类型域状况所引起的NDT显示， 注：勇园示是华相关显录， 2.22 参考试块eference block 具有短定的游金，几何形状和尺寸特性的材料块，用米校在和评价设备， 注：可含有一个成家个人工不选健。 2.23 单考试件reference lest plece 含有已知不连编的材料块，用来设置或校验议备和（或）过程的灵敏度， 2.24 相关显示relevant indicatlon 需要评定的由不造被兴型政状况引起的NDT显示， 2.25 分解力resolution 有效裤别两个紧密相部不连螺的能力， 2.26 定量ag 确定需评定的不速续或显示的尺寸。 2.27 项集vewg 为丁确定显示的存在或不存在，对作为ND丁站果的数粥戏迹象等进行系统的W视， 2.28 观察条件ttwl够cnns 观察过婴中周国环境条件的插述
GB/T20737一2006/】50/玲 18173:2005 2.21 非相关显示 non代Ievantindication 由非拒收的不连续类型或状况所引起的 NDT显示。 注:伪显示是非相关显示 2.22 参考试块 referenceblOCk 具有规定的冶金、几何形状和尺寸特性的材料块，用来校准和评价设备。 注:可含有一个或多个人工不连续。 2 23 参考试件 代ferencetestPiece 含有已知不连续的材料块 ，用来设置或校验设备和(或)过程的灵敏度。 2.24 相关显示 relevantindication 需要评定的由不连续类型或状况引起的 NDT显示。 2.25 分辨力 溉olutlon 有效辨别两个紧密相邻不连续的能力。 2.26 定t sizing 确定需评定的不连续或显示的尺寸。 2.27 观察 viewing 为了确定显示的存在或不存在，对作为 NDT结果的数据或迹象等进行系统的审视。 2.28 观察条件 viewingconditions 观察过程中周围环境条件的描述
GB/T20737-2006/150/T818173:2005 中文索引 参考试件a44414414a4441144:2.23 街表证444444444444山2.】2 排考其扶…，2.22 特性化m之.12 定量444414：2.26 报伤444444t42.1 非相关显示4一…2.21 伪显示*4*中之，10 分钟力44404…2.2药 无折粒测…217,2.18,2.19,2.20 现察72.27 无损检查92,18 观家秦作4444442.28 无泪检阶4442.18,2.19 合格质量衣平+nnt21 无损厚价*n之.17 假显界44444444…2.10 无报探伤+44一2.9 检度中2.7 检测门描a4:2.8 相关显示44442.24 验收等级…一…之3 收水平444442.3 缺4a4a2.6 仪校准44…2.5 人工不连城+2.4 声…之16
C日/T20737一2006/150/15 18173:2005 中 文 索 引 伤 一么 不连续··········································…… 2 9 参考试件 ····································…… 2.23 参考试块 ····································…… 2.22 定， ··········································…… 2.26 非相关显示 ·································…… 2.21 分辨力 ·······································…… 2.25 观察 ··········································…… 227 观 察条件 ····································… … 2.28 伤表征 伤特性化 ····································…… 212 损伤 ·····························4············…… 2.1 伪显 示 ·······································…… 2.10 无损检测···············…… 2.17、2.18、2.19、2.20 合格质t水平·································…… 2.1 假显示 ·······································…… 210 检测灵敏度····································…… 2.7 检测门槛·······································…… 2.8 检测闭值·······································…… 2.8 解释 ··········································… … 215 缺 欠 ············································一 2.13 缺 陷·············································…… 2.6 人工不连续····································…… 2.4 无损检查 ····································…… 2 18 无损检验······························…… 2.18、2.19 无损评价 ····································…… 2.17 无损探伤 ··················，·················…… 219 显示 ··········································…… 2.14 相关显示 ····································…… 2.24 验收等级·····································…… 2.3 验收水平·······································…… 2.3 验收准则·······································…… 2.2 仪器校准·······································…… 2.5 噪声 ··········································…… 2.16
GaT239-8a/mvm473,25
GB/T20737一 2006/150/TS18173:2005 英 文 索 引 acePtablequalityleve卜··，，，···············，····················，‘···············，，· ············4·······…… 2.1 吟 ptance criteria‘···················，甲·，，，，·-··············，，，，，·· ‘。·····················甲，，···，··········一 22 acceptance卜枕卜······························，······································，···‘·················，······…… 2.3 artindaldiscOntinuity ·························································································…… 2.4 calibration，instrument························，·······································4·················，······…… 2.5 defect ·····················，·，··，‘·········，···· ····· ·····，，········4·。··。。。···，甲，··- ···············，· ··… … 2.6 detectionsensitvity ······，，··················。·，································································…… 2.7 delectionthreshold ·····························································································…… 2.8 discontinuity ································································································4·····…… 2.9 fal哭 indication ···············································，，·，·················，，·······················…… 2.10 flaw 。······················，···，，···卜·。。········，，，····。·······，·························。···‘。。··········甲-····… … 2，11 nawcharacterization ······，····························································‘················，·····…… 2，12 imperf亡ction ······································································································…… 2.13 indica tlon ，···············。·······················。。·······。········，··················，。·················。·。··。… … 2.14 inte印r吐ati呱 4···················，·，·，····，········4··，·，，·甲-···‘。·。····················，········…… 2，15 NDT ·······，·。················，···················，················，·。·。。·。··。。············。··。·······。··········…… 2.20 noise ···················。·。······················。·······························。·。····················。··········… … 2.16 non-destructiveevaluation ················································································…… 2.17 no介destructiveexamination ································，··‘········4··，，，·····················…… 2.18 nOn一destroctiveinspection ·，···············，··························································，·······…… 2.19 non一destructivetesting ·····························································，·························…… 2.20 nonrelevantindication ·······················································································…… 2.21 代ference bl伙k ···············。。············，·，···‘··········。····················。··。。··。。···········，··4··。···一 2.22 referencete劝Pi概 ····，，，····，··········，，，，，，··········，···············，·，····，············，，，，，，，···…… 223 relevant indication ··········，·························································，························…… 2.24 resolution······························。···························。···················。·········。················…… 2。25 sizing ····，·····································，·················4······································，，·‘···…… 2.26 vi祀”ing··········4·····，·，···· 。。··4····，，··········，·················，， ，，‘。··········，··-··‘·… 227 viewingconditions ·········，···················。··············，，·························‘···················…… 2.28