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    Joining of graphite to Mo using Ti/Cu and Ti/Cu/Nb/Ti/Cu foils

    Xu, B, Huang, P, Jiang, Q, Haider, J ORCID logoORCID: https://orcid.org/0000-0001-7010-8285, Nawaz Khan, F, Zhao, H and Mao, Y (2023) Joining of graphite to Mo using Ti/Cu and Ti/Cu/Nb/Ti/Cu foils. Science and Technology of Welding and Joining, 28 (9). pp. 974-982. ISSN 1362-1718

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    Abstract

    Graphite/Mo joining has been carried out using Ti/Cu or Ti/Cu/Nb/Ti/Cu foils. The joining region in the joint using Ti/Cu foils is mainly composed of Ti3Cu4 and TiCu. The joining region using Ti/Cu/Nb/Ti/Cu foils contains a joining zone I, an Nb interlayer and a joining zone II. Both the joining zones I and II are made up of Ti3Cu4 and TiCu. The Nb foil diffuses and dissolves into the liquid fillers during the bonding. The joint using Ti/Cu/Nb/Ti/Cu foils shows higher shear strength than that using Ti/Cu foils, implying the contribution of Nb foil to the joint stress relief and to the joint strength promotion.

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