Rapid joining of commercial-purity Ti to 304 stainless steel using joule heating diffusion bonding: Interfacial microstructure and strength of the dissimilar joint

K. T. Suzuki, Y. S. Sato, S. Tokita

研究成果: Article査読

抄録

A new solid-state bonding technique, Joule heating diffusion bonding, was used for the dissimilar bonding of commercial-purity Ti to 304 stainless steel within a short time without macroscopic deformation of the workpieces. The tensile strengths of the joints produced at various bonding parameters were examined at room temperature, and the microstructures of the joints and the fracture surfaces were analyzed to clarify the effect of the microstructural factors on the tensile strength of the joints. The tensile strength of the joints increased with the increase in the fraction of the sufficiently bonded interface. In the joints with the well-bonded interface, the tensile strength decreased with the increase in the thickness of the brittle Fe-Ti-type intermetallic compound layers at the joint interface. This study suggested that the high tensile strength could be achieved in the Joule heating diffusion bonded joints with the well-bonded interface where the thickness of the Fe-Ti-type intermetallic compound layers was thinner than 0.5 µm.

本文言語English
論文番号1689
ページ(範囲)1-11
ページ数11
ジャーナルMetals
10
12
DOI
出版ステータスPublished - 2020 12

ASJC Scopus subject areas

  • Materials Science(all)

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