Thermal Spray Powders

При сверхзвуковом газопламенном напылении порошок подается по оси горелки в камеру, где постоянно горит газовый факел под высоким давлением. Плазма из продуктов сгорания со сверхзвуковой скоростью выбрасывается из горелки через удлиненное сопло. Частицы порошка нагреваются и разгоняются в этой струе. Приобретая при этом большую кинетическую энергию, порошок попадает на напыляемую деталь, образуя очень плотное покрытие, которое характеризуется отличным сцеплением с материалом детали.

Благодаря невысокому тепловложению в напыляемый порошок и в деталь, которая остается практически холодной, изменения металлургической структуры порошка и детали незначительны.

We use various thermal spraying techniques to protect your components against all forms of wear, such as abrasion, erosion and corrosion. Thermal-sprayed coatings are characterized by a mechanical bonding with the substrate, which provides very good bond strength. This coating technology is very useful for temperature-sensitive base materials.

Kennametal offers both standard and custom alloy and composite thermal spray powders in various size ranges. Our alloy powders are gas atomized, and we offer both sintered & crushed and agglomerated & sintered composite powders:

 

Please visit here for details of our HVOF & Thermal Spray powders.

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Kennametal offers industry standard compositions of carbide-composite thermal spray powders for use with commonly available HVOF systems.

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