汽车紧固件锌铝涂层技术条件

2024年4月2日发(作者：大众朗逸2023新款优惠多少钱)

ICS 32.020

T40

团体标准

T/CSAEXX－2019

汽车紧固件锌铝涂层技术条件

Zinc Aluminium coating Technology Condition For Vehicle Fastener

2019-XX-XX

（报批稿）

发布

2019-XX-XX实施

中国汽车工程学会发布

前言 ...................................................................................................................................................................... I

1 范围 ..................................................................................................................................................................... 1

2 规范性引用文件 ................................................................................................................................................. 1

3 术语和定义 ......................................................................................................................................................... 1

4 涂层标识 ............................................................................................................................................................. 1

4.1 标识方法........................................................................................................................................................2

4.2 标识示例........................................................................................................................................................2

5 需方应向涂覆生产方提供的资料 ..................................................................................................................... 3

5.1 必要资料 ...................................................................................................................................................... 3

5.2 附加资料 ...................................................................................................................................................... 3

6 涂层技术要求 ..................................................................................................................................................... 3

6.1 外观 .............................................................................................................................................................. 3

6.2 厚度和耐腐蚀性能 ...................................................................................................................................... 4

6.3 结合强度 ...................................................................................................................................................... 4

6.4 摩擦系数 ...................................................................................................................................................... 4

6.5 禁限用物质 .................................................................................................................................................. 5

6.6 耐湿热性 ...................................................................................................................................................... 5

6.7 耐水性 .......................................................................................................................................................... 5

6.8 耐热性 .......................................................................................................................................................... 5

6.9 其他性能 ...................................................................................................................................................... 5

7 涂层试验方法 ....................................................................................................................................................... 5

7.1 外观 .............................................................................................................................................................. 5

7.2 厚度及涂覆量 .............................................................................................................................................. 5

7.3 耐腐蚀性能 .................................................................................................................................................. 6

7.4 结合强度 ...................................................................................................................................................... 6

7.5 摩擦系数 ...................................................................................................................................................... 7

7.6 禁限用物质 .................................................................................................................................................. 7

7.7 耐湿热性 ...................................................................................................................................................... 7

7.8 耐水性............................................................................................................................................................7

7.9 耐热性............................................................................................................................................................7

8工艺过程评价方法 ................................................................................................................................................ 7

附录A外观允许缺陷和不允许缺陷....................................................................................................................... 8

附录B涂层厚度测量点.............................................................................................................................................9

附录C结合强度评级...............................................................................................................................................10

附录D工艺过程评价...............................................................................................................................................14

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