Diamond-like carbon-based composite coating
CN224692197UActive Publication Date: 2026-08-28SHANGHAI HITACHI ELECTRICAL APPLIANCES CO LTD
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Patent Information
- Application Number
- CN202521847791.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-28
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-28
AI Technical Summary
Technical Problem
通常不锈钢基体做气体渗氮处理，但渗氮层上方的白亮层具有脆性，大大影响了基体与涂层之间的结合力，易造成叶片在高速运动过程中涂层的剥落
Benefits of technology
[0031]本实用新型的类金刚石基复合涂层通过采用复合梯度过渡层的技术，提高基体和涂层之间以及涂层的层间结合力以及提高抗剪切强度，该类金刚石基复合涂层可以起到增强零部件的表面高润滑的作用，增强零部件的抗咬合强度，减缓黏着磨损，从而提高零部件的耐磨性及寿命。
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Smart Images
Figure CN224692197U_ABST
Abstract
The utility model provides a kind of diamond-like carbon-based composite coating, the composite coating is formed on stainless steel matrix or cast iron matrix, the composite coating includes transition layer, wear-resistant layer and anti-clenching layer which are sequentially stacked;The transition layer includes first Me layer, MeN layer, Me (W) N layer and MeWN layer;The wear-resistant layer includes WC-DLC composite layer and DLC layer;The anti-clenching layer includes second Me layer, DLC-MoS2 composite layer and MoS2 layer;Wherein Me is Cr or Ti.The diamond-like carbon-based composite coating of the utility model improves the interfacial adhesion between matrix and coating and the interlayer adhesion of coating and improves shear strength by adopting the technology of composite gradient transition layer, the diamond-like carbon-based composite coating can play the role of enhancing the surface high lubrication of component, enhances the anti-clenching strength of component, slows down adhesive wear, to improve the wear resistance and life of component.
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