Bonding of compound casted Ti/Al bimetal by heat treatment

M. Fadaeinia; Ramin Raiszadeh

doi:10.1007/s12613-020-2107-z

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M. Fadaeinia and Ramin Raiszadeh, Bonding of compound casted Ti/Al bimetal by heat treatment, Int. J. Miner. Metall. Mater. https://doi.org/10.1007/s12613-020-2107-z

Cite this article as:

M. Fadaeinia and Ramin Raiszadeh, Bonding of compound casted Ti/Al bimetal by heat treatment, Int. J. Miner. Metall. Mater. https://doi.org/10.1007/s12613-020-2107-z

M. Fadaeinia and Ramin Raiszadeh, Bonding of compound casted Ti/Al bimetal by heat treatment, Int. J. Miner. Metall. Mater. https://doi.org/10.1007/s12613-020-2107-z

Citation:

M. Fadaeinia and Ramin Raiszadeh, Bonding of compound casted Ti/Al bimetal by heat treatment, Int. J. Miner. Metall. Mater. https://doi.org/10.1007/s12613-020-2107-z

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Research Article

Bonding of compound casted Ti/Al bimetal by heat treatment

M. Fadaeinia and
Ramin Raiszadeh

+ Author Affiliations

Corresponding author:
Ramin Raiszadeh E-mail: rraiszadeh@yahoo.com
Received: 20 December 2019; Revised: 22 May 2020; Accepted: 25 May 2020; Available online: 27 May 2020

Abstract

Abstract

The formation mechanism of the bonding between compound cast Al/Ti bimetal during a heat treatment regime was investigated. Commercially pure Al was cast and melt on a Ti bar in a steel tube, followed by heat treatment on the compound cast Ti/Al bimetal for different periods of time once the Al melt was solidified. No bonding was observed between the two metals after the initial casting, which can be attributed to the presence of oxide films on the liquid Al and solid Ti alloys and the trapped atmosphere between them. The effect of these layers in preventing the formation of bonding was eliminated after heat treating the cast part at ~973 K (~700°C) for at least 15 min, and the metals started to bond with each other. A detailed description of this bonding mechanism is presented in this paper.
- compound casting,
- titanium/aluminium bimetal,
- bonding

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References(22)

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