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Title: 遠心燃焼合成法により作製したNiAl鋳造材中の気孔欠陥
Other Titles: Porosity in the NiAl Castings Produced by Centrifugal Combustion Synthesis
Authors: 大参, 達也 Browse this author →KAKEN DB
室田, 康宏 Browse this author
工藤, 昌行 Browse this author
Keywords: combustion synthesis
thermite reaction
centrifugal casting
centrifugal force
nickel monoaluminide
intermetallic compound
Issue Date: 1-Aug-2001
Publisher: 日本金属学会
Journal Title: 日本金属学会誌
Journal Title(alt): Journal of the Japan Institute of Metals
Volume: 65
Issue: 8
Start Page: 701
End Page: 706
Publisher DOI: 10.2320/jinstmet1952.65.8_701
Abstract: The effects of some process conditions on the porosity of the NiAl castings produced by a centrifugal combustion synthesis has been investigated. In the centrifugal combustion synthesis experiments, a green compact of reactants consisting of Al, Ni and NiO was set in an alumina container in a centrifugal caster and was ignited to produce a molten NiAl by the following reaction: (This article is not displayable. Please see full text pdf.) \ oindentAdiabatic combustion temperature of the reaction can be varied arbitrarily by changing the value of a. The molten NiAl was then solidified in the alumina container under centrifugal force. The porosity in the present study was designated by an area percent of macroscopic pores measured on the longitudinal cross section of the specimens. The results are summarized as follows: (1) The relative density of the green compact has no influence on the porosity of the cast NiAl. (2) The porosity decreases as the value a increases. (3) The application of centrifugal force is effective for the reduction of porosity.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大参 達也

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