Characterisation of the laser-clad stellite layers for protective coatings

R. Jendrzejewski; A. Conde; J. De Damborenea

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Characterisation of the laser-clad stellite layers for protective coatings

机译：保护涂层用激光熔覆的司太立合金层的表征

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Stellite layers produced for protective coatings in a direct process by laser remelting of the powder SF6 on plates of a high-temperature resistive alloy in Ar environment are investigated experimentally. Microphotographs and EDS analysis reveal a metallurgical bond between the substrate and coating as well as the structural homogeneity along the depth of the layer which is characterised by a chemical composition close to that of the powder. The laser-clad layers show a dendritic and fine-grained structure with a minor presence of impurities.

机译：实验研究了在Ar环境中通过在高温电阻合金板上对SF6粉末进行激光重熔而在直接工艺中生产的用于保护涂层的司太立合金层。显微照片和EDS分析揭示了基材与涂层之间的冶金结合以及沿层深度的结构均匀性，其化学成分接近于粉末。激光熔覆层显示出树枝状且细粒状的结构，几乎没有杂质。

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《Materials & design》 |2002年第1期|p.83-88|共6页
作者
R. Jendrzejewski; A. Conde; J. De Damborenea;
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正文语种 eng
中图分类工程材料学;
关键词
Stellite; Laser metling; Properties;

机译：卫星;激光熔化;物产;

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Characterisation of the laser-clad stellite layers for protective coatings

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