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Ternary ceramic thermal spraying powder and method of manufacturing thermal sprayed coating using said powder

机译:三元陶瓷热喷涂粉末以及使用该粉末制造热喷涂涂层的方法

摘要

The invention describes a method for producing ternary and binary ceramic powders and their thermal spraying capable of manufacturing thermal sprayed coatings with superior properties. Powder contain at least 30% by weight ternary ceramic, at least 20% by weight binary molybdenum borides, at least one of the binary borides of Cr, Fe, Ni, W and Co and a maximum of 10% by weight of nano and submicro-sized boron nitride. The primary crystal phase of the manufactured thermal sprayed coatings from these powders is a ternary ceramic, while the secondary phases are binary ceramics. The coatings have extremely high resistance against corrosion of molten metal, extremely thermal shock resistance and superior tribological properties at low and at high temperatures.
机译:本发明描述了一种用于生产三元和二元陶瓷粉末的方法及其热喷涂方法,该方法能够制造具有优异性能的热喷涂涂层。粉末包含至少30重量%的三元陶瓷,至少20重量%的二元硼化钼,Cr,Fe,Ni,W和Co的二元硼化物中的至少一种以及最大10重量%的纳米和亚微米尺寸的氮化硼。由这些粉末制成的热喷涂涂层的主晶相是三元陶瓷,而副相是二元陶瓷。该涂层具有极高的抗熔融金属腐蚀性能,极高的抗热震性以及在低温和高温下的优异摩擦学性能。

著录项

  • 公开/公告号US10458011B2

    专利类型

  • 公开/公告日2019-10-29

    原文格式PDF

  • 申请/专利权人 MESOCOAT INC.;

    申请/专利号US201715853798

  • 申请日2017-12-24

  • 分类号C04B35/58;C23C4/10;B22F1;C22C29/14;C23C4/12;C23C24/04;C04B35/622;

  • 国家 US

  • 入库时间 2022-08-21 12:15:23

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