目次
前言…………………………………………………………………………………………Ⅲ
1范围.................................................................1
2引用标准.............................................................1
3镀覆检验.............................................................3
3.1表面处理生产条件的控制...........................................3
3.1.1环境.........................................................3
3.1.2设备和仪器仪表...............................................3
3.1.3材料.........................................................3
3.1.4水质、镀液...................................................3
3.1.5鉴定状态的保持...............................................3
3.2镀覆前的质量要求.................................................3
3.2.1清除油渍.....................................................3
3.2.2清除杂质.....................................................4
3.2.3清理焊缝.....................................................4
3.2.4热处理后表面清理.............................................4
3.2.5消除应力.....................................................4
3.2.6忌除油方法的零件.............................................4
3.2.7镀覆前零件表面性能处理后的时间要求...........................4
3.2.8除油质量要求.................................................4
3.3镀覆后涂覆前的质量要求...........................................4
3.3.1除氢要求.....................................................4
3.3.2除氢零件时间的要求...........................................5
3.3.3不良镀覆件返工后的除氢要求...................................5
3.4各种镀层表面质量和性能的要求.....................................5
3.4.1表面质量（目检）.............................................5
3.4.2性能要求.....................................................5
3.4.3目检方法.....................................................5
3.5抗腐蚀性的要求(非紧固件要求).....................................5
3.5.1传统盐雾腐蚀试验要求.........................................5
3.5.2试验后试样基本要求...........................................6
3.5.3循环腐蚀试验要求.............................................8
3.6结合力质量要求和测试.............................................8
3.6.1质量要求.....................................................8
3.6.2测试方法.....................................................9
3.7镀层厚度要求和测试方法...........................................9
3.7.1镀层厚度要求.................................................9
3.7.2测试方法.....................................................9
3.8孔隙率检验.......................................................9
3.8.1测试方法.....................................................9
3.8.2质量要求....................................................10
3.9镀层的硬度检测..................................................10
3.9.1检测工具....................................................10
3.9.2硬度的确定..................................................11
3.9.3压痕深度与对角线之间的近似关系..............................12
3.10镀层的耐磨试验..................................................12
3.11镀层的氢脆检验..................................................12
3.11.1验收规则................................................12
3.11.2验收方法................................................12
3.12镀锌件的质量要求................................................13
3.12.1防护性分级..............................................13
3.12.2镀层....................................................13
3.12.3不允许缺陷..............................................13
3.12.4允许缺陷................................................13
3.12.5局部镀锌零件允许缺陷....................................13
3.13镀铜镀镍件的质量要求............................................14
3.13.1颜色....................................................14
3.13.2镀层....................................................14
3.13.3允许的缺陷..............................................14
3.13.4不允许缺陷..............................................14
3.14镀黑镍的质量要求................................................14
3.14.1颜色....................................................14
3.14.2厚度....................................................14
3.14.3镀层....................................................14
3.14.4允许缺陷................................................14
3.14.5不允许缺陷..............................................15
3.15镀硬铬件的质量要求..............................................15
3.15.1颜色....................................................15
3.15.2镀层....................................................15
3.15.3不允许缺陷..............................................15
3.15.4允许缺陷................................................15
3.16装饰铬镀层质量要求..............................................15
3.16.1外观....................................................15
3.16.2厚度....................................................16
3.16.3孔隙率..................................................16
3.16.4耐腐蚀性................................................16
3.17镀覆件的验收....................................................16
3.17.1镀覆零件性能检验项目....................................16
3.17.2表面质量验收............................................16
3.17.3防护性能验收............................................16
3.17.4试样件要求..............................................16
3.17.5采用固定样本检验方法....................................17