氧化铝等离子喷涂涂层的织构分析

Textures and Microstructures Pub Date : 1900-01-01 DOI:10.1155/TSM.14-18.383

H. Carrerot, J. Rieu, G. Thollet, C. Esnouf

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引用次数: 1

摘要

利用x射线衍射和透射电镜对氧化铝等离子喷涂涂层的晶体织构进行了初步研究。在这些氧化铝涂层中发现了纤维结构。γ Al2O3的(100)基面主要平行于。涂层表面。从与金属接触的表面到涂层的顶部，织构强度增加。将织构的γ Al2O3涂层在1200℃下退火后，研究了γ和α Al2O3相之间的关系。

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Texture Analysis in Alumina Plasma Sprayed Coatings

An original investigation of the crystallographic texture in alumina plasma sprayed coatings has been made by X-ray diffraction and transmission electron microscopy. A fibre texture has been revealed in these alumina coatings. The (100) base plane of γ Al2O3 is predominently parallel to the. coating surface. The texture intensity increases from the surface in contact with the metal to the top surface of the coatings. After annealing the textured γ Al2O3 coatings at 1200℃, we have studied the relationships between γ and α Al2O3 phases.

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Textures and Microstructures

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