GB/T 4334—2020晶间腐蚀试验方法的解析  

Analysis of GB/T 4334—2020 Intergranular Corrosion Test Method

作　　者：李晓旭[1] 李洪伟 时会强 冯波 张文博 李中宇 倪宏祥 周国运[1] LI Xiao-xu;LI Hong-wei;SHI Hui-qiang;FENG Bo;ZHANG Wen-bo;LI Zhong-yu;NI Hong-xiang;ZHOU Guo-yun(National Supervising and Testing Center for the Quality of Instruments and Components,Shenyang 110043,China)

机构地区：[1]国家仪器仪表元器件质量监督检验中心,辽宁沈阳110043

出　　处：《管道技术与设备》2021年第5期55-58,共4页Pipeline Technique and Equipment

摘　　要：文中主要对GB/T 4334—2020标准中主要修订的内容进行介绍和分析:对标准名称和方法E的名称进行了修订;废除了方法D,增加了方法F和方法G,增加了对各种方法及其特点的说明,明确了方法E、方法F、方法G的适用范围;对取样方法和尺寸进行了调整,对敏化处理制度进行了调整,对方法E的弯曲参数进行了变更。修订后的标准更加完善。但是该标准中没有明确方法A~方法C的适用范围,尤其没有针对不同材料进行腐蚀方法优先的排序。This paper mainly introduced and analyzed main revisions in GB/T 4334—2020 standard.The standard name and method E were revised in this standard.The method D was abolished,and the method F and method G were added.The description of various methods and their characteristics were added,the application scope of methods E,F and G were specified.The sample preparation method and size were adjusted,the sensitization treatment system was adjusted,and bending parameters in method E were changed.The revised standard is more completed.However,the application scope of methods A~C is not specific in the standard,especially there is no priority ordering of corrosion methods for different material.

关 键 词：晶间腐蚀 试验方法 标准变更 标准解析 

分 类 号：TH136[机械工程—机械制造及自动化]