Microstructure characterization and mechanical properties of the 304SS-(NiTif/FeAl) metal-intermetallic laminate composites

Wang, Zhenqiang; Zhang, Xin; Liu, Mengyan; Zhou, Yanyuan; Zha, Zepeng; Li, Changfeng; Yang, Yong; Wang, Jiandong; Jiang, Fengchun

doi:10.1016/j.jallcom.2023.169117

Cited by 5 publications

(1 citation statement)

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“…Joining dissimilar metals to fabricate layered structures has been proven to be an effective method in achieving required strength and toughness. In the last few decades, a variety of laminated metal composites (LMCs) such as Fe/Al, Ni/Ti and Ti/Al have been developed [2]. Among those LMCs, Ti/Al system is a desirable solution for exceptional mechanical properties within lightweight constraints.…”

Section: Introductionmentioning

confidence: 99%

Microstructure change of titanium layer in titanium/aluminium laminate metal composites during ultrasonic additive manufacturing

Zhou

Wang

Jiang

2023

Science and Technology of Welding and Joining

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This paper investigates the microstructural characteristics of Ti layer in ultrasonic additive manufacturing of Ti/Al laminate composites by electron backscattered diffraction and transmission electron microscopy. Results show that a face-centred cubic (FCC) phase is formed in the Ti matrix around the Ti/Al bonding interface, and it keeps (111) fcc (0002) hcp and [011] fcc [2110] hcp orientation relationship with hexagonal close-packed (HCP) Ti matrix. The phase transition from HCP to FCC occurs in the region with high shear strain, which is associated with the movement of Frank or Shockley partial dislocations. The high-volume fraction of FCC-Ti under high ultrasonic amplitude can favour the improvement in the Ti/Al interfacial bonding strength via enhancing the plastic deformability of Ti foil.

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Section: Introductionmentioning

confidence: 99%