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首页> 外文会议>Society of Vacuum Coaters annual technical conference >CrN PVD Coatings, Deposited by HIPIMS, Bipolar Dual Cathode Magnetron Sputtering and Electron Beam Processes for Coining Dies Applications
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CrN PVD Coatings, Deposited by HIPIMS, Bipolar Dual Cathode Magnetron Sputtering and Electron Beam Processes for Coining Dies Applications

机译：HIPIMS沉积的CrN PVD涂层，双极双阴极磁控溅射和用于压模模具的电子束工艺

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This paper reports on the applicability of CrN Physical Vapour Deposition (PVD) coatings obtained by HIPIMS, bipolar cathode magnetron sputtering and electron beam evaporation for coining dies. The main objective of this study is the development of a PVD coating to improve the tool lifetime and superficial quality of coins. The desired properties are low roughness values, high wear resistance, good coating adhesion to the substrate and high toughness of the whole system. The coatings have been deposited on common cold work steels by means of a bipolar dual cathode magnetron sputtering at low temperature, HIPIMS and electron beam deposition. The characterization of these coatings consisted of measurements of roughness, wear resistance, scratch test for the comparison of the adherence of the coatings, micro-hardness and nano-indentation, chemical composition depth profiles GD-OES, X-ray diffraction and nano-impact tests for the evaluation of the fragility of the coatings and their fatigue behavior. These deposition techniques have provided excellent roughness values and acceptable adherence to the substrate. However, it has been observed a different behavior in nano-impact tests for each tribological system. Those differences can mean a different response of each system when machining service.
机译：本文报道了通过HIPIMS，双极阴极磁控溅射和电子束蒸发获得的CrN物理气相沉积（PVD）涂层在压模中的适用性。这项研究的主要目的是开发一种PVD涂层，以提高工具的使用寿命和硬币的表面质量。所需的特性是低粗糙度值，高耐磨性，对基材的良好涂层附着力以及整个系统的高韧性。通过低温双极双阴极磁控管溅射，HIPIMS和电子束沉积将涂层沉积在普通冷作钢上。这些涂层的表征包括粗糙度测量，耐磨性，划痕测试，用于比较涂层的附着力，显微硬度和纳米压痕，化学成分深度曲线GD-OES，X射线衍射和纳米冲击用于评估涂层的脆性及其疲劳性能的测试。这些沉积技术提供了出色的粗糙度值和对基材的可接受的附着力。但是，在每个摩擦系统的纳米碰撞测试中，观察到了不同的行为。这些差异可能意味着加工服务时每个系统的响应都不同。

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