铝氧化的检验标准

2025-01-22 18:10:00
推荐回答(3个)
回答(1):

一楼,人家问的是铝表面做Et.O表面处理,这个氧化处理。。。。。。也就是俗称的钝化

色差问题,只存在于有着色要求的氧化处理,如果是高光或者亚光本色就基本不存在。

可能存在色差的是蓝色、绿色、金色等。

因为铝的氧化处理,通常只是为了美观而已,所以如果有色差,那么最好考虑不同批次的统一性,即使有色差尽量差得一致。色差这种东东,明显的肉眼可以观测,但细微的差别是看不出来的,只有用色卡来比,但色卡很贵,一般没必要。只要美观就行了。

膜厚,你说的膜厚应该是指镀层吧,电镀镀层是按μ为单位,一般是5μ,10μ,15μ等根据自己要求来提,氧化一般5μ不得了了,镀太厚会影响配合尺寸,特别是螺纹。但你给电镀厂提5μ,他镀出来是多少天知道,要检测镀层厚度要用专用设备,贵的吓人!!!!!

铝本身是耐腐蚀的金属,即使放置在露天也会在表面产生氧化层来对内容进行保护,但表面会出现斑纹,采用氧化处理工艺主要是为了美观,这样产生氧化层后,铝的表面不会再被大气所氧化,表面就不会出斑纹了!!!

所以检验的话,

建议:

1. 对外观进行目测,顺眼就好
2. 对有尺寸公差要求,有配合度要求,有连接要求的零件和部位进行检验,不能因氧化后影响本来的要求

回答(2):

铝氧化检测标准:

标准号
标准名称
等效采用国际标准ISO标号
GB8015.1-87
铝和铝合金阳极氧化膜厚度的试验方法 重量法
2016-1982
GB8015.2-87
铝和铝合金阳极氧化膜厚度的试验方法 分光束显微法
2128-1976
GB8752-88
铝及铝合金阳极氧化 薄阳极氧化膜连续性的检验 硫酸铜试验
2085-1976
GB8753-88
铝及铝合金阳极氧化 阳极氧化膜封闭后吸附能力的损失评定 酸处理后的染色斑点试验
2143-1981
GB8754-88
铝及铝合金阳极氧化 应用击穿电位测定法检验绝缘性
2376-1972
GB11109-89
铝及铝合金阳极氧化 术语
7583-1986
GB11110-89
铝及铝合金阳极氧化 阳极氧化膜的封闭质量的测定方法 导纳法
2931-1983
GB/T12967.1-91
铝及铝合金阳极氧化 用喷磨试验仪器测定阳极氧化膜的平均耐磨性
8252-1987
GB/T12967.2-91
铝及铝合金阳极氧化 用轮式磨损试验仪器测定阳极氧化膜的耐磨性和磨损系数
8251-1987
GB/T12967.3-91
铝及铝合金阳极氧化 氧化膜的铜加速醋酸盐雾试验(CASS试验)
3770-1976
GB/T12967.4-91
铝及铝合金阳极氧化 着色阳极氧化膜耐紫外光性能的测定
6581-1980
GB/T12967.5-91
铝及铝合金阳极氧化 用变形法评定阳极氧化膜的抗破裂性
3211-1977
GB11250.1-89
复合金属覆层厚度的测定—金相法

GB11250.2-89
复合金属覆层厚度的测定—X荧光法

GB11250.3-89
复合金属覆层厚度的测定—容量法

GB11250.4-89
复合金属覆层厚度的测定—重量法

GB/T13322-91
金属覆盖层 低氢脆镉钛电镀层

GB/T13346-92
金属覆盖层 钢铁上镉电镀层
2082-1986
JB/T5067-91
钢铁制件粉末机械镀锌

JB/T5068-91
金属覆盖层厚度测量 X射线光谱测量方法
3497

回答(3):

“金属铝”本身就是一种容易氧化的金属,把它放到氧气中它就会自己氧化。

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