mht3002.4-1997 航空器无损检测超声检验

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1、MH中华人民共和国民用航空行业标准MH/T3002.4一1997航空器无损检测超声检验NondestructivetestinginaircraftUltrasonictesting1997-12-03发布1998一05一01实施中国民用航空总局发布标准分享网www.bzfxw.com免费下载MH/T30024一1997目次前言1范围··············································，.···············⋯⋯，···”···············⋯⋯，，·······“··⋯

2、⋯12引用标准···························“····”···················”······················”·····”·⋯”····⋯⋯，二，·⋯13定义······································”································································““·⋯⋯14一般要求···············································

3、·······························”····”·········⋯⋯25工艺程序和要求···········“···············“···“···················“⋯⋯”························”⋯⋯56质量等级与评定·····································································，.···········”·······”·⋯⋯67质量控制···，.···············

4、·············，·································································“·⋯⋯7附录A(标准的附录)超声仪与探头配用时使用性能测试方法···································⋯⋯9附录B(标准的附录)衰减器的校验····，.·······················⋯⋯”···············..·..·..·..·..·.⋯⋯13附录C(标准的附录)纵波检验用的标准试块··········....··

5、··..················..············..·..·⋯⋯15MH/T3002.4一1997前言本标准等效采用美国军标MIL-STD-2154。同时也参考了GJB593.1-88部分内容。本标准编写格式是按照GB/Tl.1-1993(标准化工作导则第1单元:标准的起草与表述规则第1部分:标准编写的基本规定》，本标准保留了MIL-STD-2154基本内容。在编写中，结合民航实际，力求使本标准既具有先进性和科学性，又有可行性。本标准的附录A、附录B和附录C是标准的附录。本标准由中国民用航空总局航空器适航中心提

6、出。本标准由中国民用航空总局航空器适航司归口管理。本标准主要起草单位:北京飞机维修工程有限公司、广州飞机维修工程有限公司。本标准主要起草人:潘建华、聂有传、晏荣明、王彦田。标准分享网www.bzfxw.com免费下载中华人民共和国民用航空行业标准航空器无损检测超声检验MH/T3002.4一1997NondestructivetestinginaircraftUltrasonictesting范围本标准规定了民用航空器所用材料及其零、部件超声检验方法的基本要求。本标准适用于民用航空器所用材料及其零、部件超声检验。2引用标准下列标准所

7、包含的条文，通过在本标准中引用而构成为本标准的一部分。本标准出版时，所示版本均为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性。GB/T12604.1-90无损检测术语超声检测MH/T3001-95民用航空无损检测人员技术资格鉴定规则ZBY230-84A型脉冲反射式超声探伤仪通用技术条件ZBY231-84超声探伤用探头性能测试方法ZBY232-84韶声掇伤用1号标准试块技术条件3定义本标准采用下列定义。3.1A扫描显示A-scanpresentation在显示屏上显示信息的一种方法。利用水平基线指示距

8、离或时间，用从基线开始的垂直偏转指示脉冲幅度。3.2直射声束检验straightbeamexamination用声束垂直于检验面而传播的超声波所进行的检验。3.3斜射声束检验anglebeamexamination用声束传播方向与检验面法线成一定角