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| A NOTE ON COATING OF SURFACE DIFFUSIONINFILTRATION OF RE ON STEEL 20 AND ARMCO IRON BY CHEMICAL PROCESS |
| WEI Yongde; LIU Zhiru; WANG Chunyi; FAN Ailing; CHENG Jianmin (Harbin Institute of Technology) |
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Cite this article:
WEI Yongde; LIU Zhiru; WANG Chunyi; FAN Ailing; CHENG Jianmin (Harbin Institute of Technology). A NOTE ON COATING OF SURFACE DIFFUSIONINFILTRATION OF RE ON STEEL 20 AND ARMCO IRON BY CHEMICAL PROCESS. Acta Metall Sin, 1983, 19(5): 121-124.
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Abstract An attempt was made by chemical process to produce the RE coating by solid-gas interfacial diffusion-infiltration on steel 20 and Armco iron. The chemical composition of coating and the distribution of Ce and La along the depth beneath the surface of the steel specimens have been analyzed by ion-probe, SEM energy spectrum and fluorescent X-ray. It is shown that RE is remarkably influenced upon the carbonitriding process.
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Received: 18 May 1983
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1 Stephens, J. R., Exploratory Investigation of Y, La and Hf Coatings for Nitridation Protection of Chromium Alloys, NASA TND-6528, (1971) .
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