SELF-PROPAGATING COMBUSTION SYNTHESIS OF NiAl/TiB_2 COMPOSITE

Acta Metall Sin

1994, Vol. 30

Issue (22): 476-480 DOI:

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SELF-PROPAGATING COMBUSTION SYNTHESIS OF NiAl/TiB_2 COMPOSITE

WANG Weimin; FU Zhengyi;YUAN Runzhang(Wuhan University of Technology)

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WANG Weimin; FU Zhengyi;YUAN Runzhang(Wuhan University of Technology). SELF-PROPAGATING COMBUSTION SYNTHESIS OF NiAl/TiB_2 COMPOSITE. Acta Metall Sin, 1994, 30(22): 476-480.

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Abstract Investigation was carried out on physico-chemical and microstructural changes during self-propagating combustion synthesis of the Ni-Al-Ti-B system. The principal factor influenced on the process was found to be the amount of TiB_2 doped. Microstructural observation revealed that the average size of TiB_2 particles, grown in situ, is dependent on the synthesising temperature. Meanwhile,some TiB_2 fibres occurred on the synthesised products,and their amount as well as growth morphology seemed to be affected by the growing space.

Key words: NiAl/TiB_2 composite self-propagating combustion synthesis micro structure TiB_2 fibre

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1994/V30/I22/476

1HoltJB,MunirZA．JMaterSci,1986;21:2512MigamotoY,NakamotoT．JMaterRes,1986;1:7

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