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A study of interfaces in 7075/Zr44Ti11Cu10Ni10Be25(Vit1b)/AZ31B composites by Y. Sun; L.F. He; H.P. Li; Z.C. Li; R.D.K. Misra is a Engineering article available to read on EtoBox.

What is A study of interfaces in 7075/Zr44Ti11Cu10Ni10Be25(Vit1b)/AZ31B composites about?

In order to achieve reliable connection between magnesium and aluminum alloys and to prepare composite structures and devices with excellent overall performance, it is critical to avoid the formation of brittle intermetallic compounds. In this regard, we describe hot stacked extrusion forming of 7075/Zr44Ti11Cu10Ni10Be25(Vit1b)/AZ31B in terms of extrusion process parameters and their influence on structure, interfaces, and mechanical properties. The study demonstrated that the composite had almost no defects such as extruded flying edges or bending. The nature of the samples varied considerably and the 450°C-4 mm/min sample showed a more desirable bonding appearance. The samples obtained under different extrusion conditions experienced different degrees of elemental diffusion at the interfaces. It is underscored that using amorphous alloy as the joining medium can effectively improve the strength of 7075/Vit1b/AZ31B composites, with the tensile strength increased by 12.5%. The 7075/Vit1b and AZ31B/Vit1b interfaces were studied systematically and the Al concentration layer was found at the AZ31B/Vit1b interface.

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Author

Y. Sun; L.F. He; H.P. Li; Z.C. Li; R.D.K. Misra

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)