Yao Lili *,Li Na,Ni Zifei,et al.Effect of one-step electroplating instead of thermal diffusion electroplating on properties of steel tyre cord[J].Plating & Finishing,2023,(4):100-105.[doi:10.3969/j.issn.1001-3849.2023.04.016]
一步法替代热扩散电镀工艺对钢帘线性能影响
- Title:
- Effect of one-step electroplating instead of thermal diffusion electroplating on properties of steel tyre cord
- Keywords:
- thermal diffusion plating ; one-step electroplating ; steel tyre cord ; initial adhesion ; aging adhesion
- 分类号:
- TQ153
- 文献标志码:
- A
- 摘要:
- 钢帘线生产中以一步法电镀工艺代替热扩散电镀，可节约中频热扩散损耗且无需磷化处理，进而减少工艺流程及生产成本。本文对两种工艺 3+9 结构帘线生产过程的相关性能进行对比分析。研究发现：一步法生产的钢丝镀层更为致密，镀层仅存在 α 相黄铜，与热扩散电镀的钢丝相比具有更好的延展性，进而使得拉拔过程中的镀层损耗更少，合股过程的断丝率更低，且其镀层内外组分基本均匀一致。一步法钢丝与热扩散钢丝相比具有更低的表面 ZnO 含量，其初始黏合力高于热扩散帘线约 26.15% ， 3 d 、 7 d 、 14 d 的 93℃/95%RH 的湿热老化黏合分别高于热扩散帘线 11.49% 、 17.11% 和 4.35% ，两种工艺帘线初始黏合或老化黏合覆胶率基本一致。
- Abstract:
- ： In the production of steel tyre cord ， one-step plating process is used instead of thermal diffusion plating ， which avoids intermediate frequency thermal diffusion consumption and phosphating ， and then reduces the technological process and production cost. The related properties of 3+9 steel tyre cord produced by the two processes are compared. It is found that steel wire coating of the one-step progress is denser ， and made of α -phase brass only. One-step steel wire coating has better ductility ， less coating shedding during drawing ， and lower breaking frequency in twisting than thermal diffusion wire. The composition of one-step steel wire coating is uniform. The surface ZnO content of one-step steel wire is lower than that of thermal diffusion steel wire ， and the initial adhesion is about 26.15% higher. The aging adhesion force of one-step cord at 93℃/95% RH constant temperature aging for 3 d ， 7 d and 14 d are 11.49% ， 17.11% and 4.35% higher than that of thermal diffusion cord and humidity ， respectively. Rubber coverage of two processes cord are basically the same whether it is initial bonding or aging bonding.
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备注/Memo
收稿日期： 2023-02-22 修回日期： 2023-03-24 * 通信作者： 姚利丽（ 1976 —）， 女， 硕士研究生， 高级工程师， email ： yll_dd19760618@sina.com?/html>