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    • 9. 发明授权
    • Wear and erosion resistant alloys applied by cold spray technique
    • 耐磨和耐腐蚀合金通过冷喷涂技术应用
    • US06780458B2
    • 2004-08-24
    • US10210719
    • 2002-08-01
    • Brij B. SethGregg P. Wagner
    • Brij B. SethGregg P. Wagner
    • B05D112
    • F01D5/005C23C24/04C23C28/021C23C28/023C23C28/321C23C28/324F01D5/288F05D2230/31Y10T407/27Y10T428/12063Y10T428/12139Y10T428/12146Y10T428/24769Y10T428/24942Y10T428/24983Y10T428/252Y10T428/31678Y10T428/8305
    • A wear alloy coating (14) applied to a substrate material (12) by a cold spray process. Particles of the wear alloy coating material (16) are directed toward a target surface (18) of the substrate at a velocity sufficiently high for the particles to deform and to adhere to the target surface. The size and composition of the particles may be varied during the cold spray process to produce a coating with a varying property across the depth of the coating. Particles of the wear alloy material may be applied by cold spraying along with particles of a second material such as a lubricant or a ceramic material. For Group 5 hard facing materials, the size and distribution of the embedded carbide nodules may be controlled by controlling the selection of the carbide particles being sprayed. The cold spray process permits a wear alloy coating to be applied proximate a brazed joint or over a directionally stabilized or single crystal material without degrading the underlying material.
    • 通过冷喷涂方法将耐磨合金涂层(14)施加到基底材料(12)上。 磨损合金涂层材料(16)的颗粒以足够高的速度被引导到基板的目标表面(18),以使颗粒变形并附着到目标表面。 颗粒的尺寸和组成可以在冷喷涂过程中变化,以在涂层的深度上产生具有不同性质的涂层。 耐磨合金材料的颗粒可以通过冷喷涂以及诸如润滑剂或陶瓷材料的第二材料的颗粒施加。 对于第5组硬质材料,可以通过控制喷涂的碳化物颗粒的选择来控制嵌入的碳化物结节的尺寸和分布。 冷喷涂工艺允许磨损合金涂层施加在钎焊接头附近或在定向稳定或单晶材料上施加,而不会降低底层材料。