GB/T 17720-1999金属覆盖层　孔隙率试验评述.pdf

ICS25.220.40 A 29 中 华 人 民 共 和 国 国 家 标 准 Gs/T 17720-1999 eqvISO10308:1995 金属覆盖层 孔隙率试验评述 Metalliccoatings-Reviewofporositytests 1999一04一08发布 1999一09一01实施 国 家 质 量 主支刁K监 督 局 发布 GB/T 17720-1999 目 次 前言 ·······················································································..·························…… B ISO前言 ······。···········································。······································“················…… N 1 范 围 ·································。···············································································一 1 2 引用标准 ······························································································，········…… 1 3 定义 ·2 4 原理 ··············································································································…… 2 5 孔隙率试验的共同特点 ·······································································…·…”‘’·’‘二二‘二‘2 6 试验试样 ···································································。········，··························…… 2 7 具体的孔隙率试验 ······························2 7，1 茜素试验 ·································································································…… 2 7.2 葱醒试验 ··················································。····································。···········…… 2 7.3 硫化锅试验 ························································。················。·························…… 3 7.4 硫酸铜(Preece)试验 3 7.5 硫酸铜(Dupernell)试验二‘3 7.6 腐蚀青试验(CORR) ······································。·······················，························…… 3 7.7 电解显像试验 ·················································。························。·············。······…… 3 7.8 亚铁氛化物试验 4 7.9 试铁灵试验 4 7.10 铁 试剂试验 ······。········