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Addition of hBN to NiAl coatings deposited using APS and HVOF thermal spraying

机译：在APS和HVOF热喷涂沉积的NiAl涂层中添加hBN

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摘要

High velocity oxyfuel (HVOF) thermal spraying and atmosphere plasma spraying (APS) were using to deposit a nickel aluminum (NiAl)/hexagonal boron nitride (hBN) composite coating. The hBN powder was added to the Ni-5Al coatings to increase the lubrication property of the coatings. The hBN material was added to the NiAl alloy powder after either blending or ball milling to create the NiAl/hBN composite powders. The NiAl/hBN composite powders were than deposited as NiAl/hBN composite coatings. The velocity and temperature of the in-flight particles during thermal spraying were monitored using a DPV 2000 instrument. The morphology, microstructure and composition of the coatings and powders were analyzed. The coatings with the best lubrication and most uniformly deposited microstructure were formed when the NiAl/hBN coatings were deposited using the atmosphere plasma spraying method.
机译：高速氧燃料（HVOF）热喷涂和大气等离子喷涂（APS）用于沉积镍铝（NiAl）/六方氮化硼（hBN）复合涂层。将hBN粉末添加到Ni-5Al涂层中，以增加涂层的润滑性能。在共混或球磨后将hBN材料添加到NiAl合金粉末中，以生成NiAl / hBN复合粉末。然后将NiAl / hBN复合粉末沉积为NiAl / hBN复合涂层。使用DPV 2000仪器监控热喷涂过程中飞行中粒子的速度和温度。分析了涂层和粉末的形态，微观结构和组成。当使用大气等离子喷涂法沉积NiAl / hBN涂层时，形成具有最佳润滑性和最均匀沉积的显微组织的涂层。

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