Growth Mechanism of AlN Synthesized by Directed Nitridation of Molten Aluminium Alloys

Journal of Inorganic Materials

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Growth Mechanism of AlN Synthesized by Directed Nitridation of Molten Aluminium Alloys

JIN Hai-Bo¹; CHEN Ke-Xin¹; ZHOU He-Ping¹; WANG Qun²; WANG Wen-Zhong ²

1. Department of Materials Science and Engineering; Tsinghua University; Beijing 100084; China; 2. School of Materials and Metallurgy; Northeastern University; Shenyang 110006; China

Received:1999-08-18 Revised:1999-09-20 Published:2000-08-20 Online:2000-08-20

Abstract

Abstract: The growing process of AIN crystal in directed nitridation of molten aluminium alloys was investigated. The growing characters of AIN crystals were obtained through XRD and SEM. A new mechanism of vapour-liquid-solid-solid (VLSS) was proposed, and its similarity and difference from the traditional vapour-liquid-solid (VLS) mechanism were discussed. The emphasis was placed on the prerequisites and realization process of VLSS mechanism

Key words: aluminium alloys, directed nitridation, AlN, growth mechanism

CLC Number:

TQ133

JIN Hai-Bo,CHEN Ke-Xin,ZHOU He-Ping,WANG Qun,WANG Wen-Zhong. Growth Mechanism of AlN Synthesized by Directed Nitridation of Molten Aluminium Alloys[J]. Journal of Inorganic Materials.

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Growth Mechanism of AlN Synthesized by Directed Nitridation of Molten Aluminium Alloys

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