PVD双层涂层用于铝高压压铸
铝高压压铸是一种高产量制造工艺，由于其高材料利用率和高度自动化，正在越来越受欢迎，用于大批量生产复杂形状的零件。短循环时间和通过熔化的铝合金进行热循环以及使用脱模剂对模具提出了高要求。
复杂的摩擦学系统负责以下损伤和磨损机制：
- 含硅铝合金导致的磨损
- 含硅铝合金高速和/或湍流熔体流动导致的侵蚀（“冲刷”）和模具材料损失
- 熔体沉积在模具表面导致的粘着磨损
- 填充和凝固过程中铝合金和模具材料发生化学反应导致的焊接（“粘结”）
- 热裂纹是压铸过程中模具表面交替加热和冷却产生的热疲劳现象
通过双层Ionbond™ 35，Ionbond为高压铝压铸提供了优化的涂层解决方案，以实现高生产率、最大机器可用性和出色的产品质量，同时最大程度地降低废品率。针对应用需求定制的预处理和后处理涂层处理，以及用于设定最佳表面硬度和氮化硬度深度的双层处理，确保了双层Ionbond™ 35的卓越性能。
该图显示了双离子键™ 35的卓越性能，与竞争对手的双涂层相比，在为我们的一位客户生产商用空气制动器零件时，双离子键™ 35可将产量提高50%。
- 产品：商用空气制动器零件
- 工具材料：H13（核心硬度46-48HRC）
- 合金：铝合金A380（7.5-9.5 at.% Si）
- 润滑：雾化喷涂
- 主要失效机制：焊接
- 解决方案：双离子键™35（CrWN
Duplex Ionbond™ 35 的卓越性能
生产率提高 +50%
与竞争对手的双重涂层相比
粘铝现象明显减少
无热检痕迹
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