[Kovove materialy - Metallic materials]
    Fri - March 29, 2024 - 02:44 No. of hits : 1736533 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 52 (2014), Issue 2

Solid-state welded interface characterization for boron-doped Ni3Al – Ti-6Al-4V couple and its comparison to Ni3Al – AISI 304 stainless steel couple
KELESTEMUR, M. H.
vol. 52 (2014), no. 2, pp. 113 - 116

Abstract
In this study, solid-state welding of boron-doped Ni3Al with Ti-6Al-4V was carried out to determine the nature of the interface species and bonding. The interface was examined with SEM, EDS, and micro-hardness tests. Interface stress distribution induced due to different thermal expansion properties was studied with ANSYS modeling. Due to eutectic transformation phenomenon occurring at the interface of boron-doped Ni3Al with Ti-6Al-4V couple, a brittle dendritic structure formed and the mismatched thermal expansion properties of materials led to crack formation at the welding zone. Also, a comparison of the interface zones for boron-doped Ni3Al with Ti-6Al-4V and boron-doped Ni3Al with AISI 304 stainless steel was provided to demonstrate different interface characteristics.

Key words
solid-state welding, boron-doped Ni3Al, Ti-6Al-4V, AISI 304 stainless steel, intermetallic alloy, Kirkandall effect

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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