Formation of a Multi-Layered Titano-Steel Intermetallic Composite

Арисова, В. Н.; Гуревич, Л. М.; Kharlamov, V. O.; Tverdysheva, D. D.; Izyumsky, V. A.

doi:10.35211/1990-5297-2020-6-241-6-14

IZVESTIA VGTU

2020

DOI: 10.35211/1990-5297-2020-6-241-6-14

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Formation of a Multi-Layered Titano-Steel Intermetallic Composite

В. Н. Арисова

Л. М. Гуревич

V. O. Kharlamov

et al.

Abstract: The work presents the results of studies on the formation of intermetallic layers in a five-layer explosion-welded composite titanium VT-20+steel 08Cr18Ni10Ti after heat treatment at temperatures of 800, 850 and 900 °C and holding times of 4 and 10 hours. The structure, microhardness, chemical composition of the diffusion zones of the composite were studied using optic, electron microscopy and X-ray spectral analysis.

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2024

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Study of Structure Formation in Multilayer Composite Material AA1070-AlMg6-AA1070-Titanium (VT1-0)-08Cr18Ni10Ti Steel after Explosive Welding and Heat Treatment

Malakhov,

Niyozbekov,

Denisov

et al. 2024

JMMP

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Multilayer composite materials, consisting of layers of aluminum alloy and steel, are used in the manufacturing of large engineering structures, including in the shipbuilding and railcar industries. Due to the different properties of aluminum alloys and steels, it is difficult to achieve high-strength joints by conventional welding. Therefore, these joints are produced by explosive welding. In the present work, the structure of a multilayer material, AA1070-AlMg6-AA1070 (aluminum alloys)-VT1-0-08Cr18Ni10Ti (steel), was investigated after explosive welding and heat treatments were performed under different conditions. The microstructure of the AlMg6 layer at the AlMg6-AA1070 interface consists of shaped anisotropic grains extending along the weld interface. The AA1070 layer is enriched with magnesium due to its diffusive influx from AlMg6. In the AlMg6 and VT1-0 layers, adiabatic shear bands are found that start at the weld interface and propagate deep into the material. The optimal temperature for the heat treatment is 450–500 °C, as internal stresses are reduced at this temperature and the grain structure of the AlMg6 layer is not coarse. Tear strength testing revealed that the tear strength of the composite material after explosive welding was 130 ± 10 MPa, which exceeded the strength of the AA1070 alloy.

show abstract

Study of Structure Formation in Multilayer Composite Material AA1070-AlMg6-AA1070-Titanium (VT1-0)-08Cr18Ni10Ti Steel after Explosive Welding and Heat Treatment

Malakhov,

Niyozbekov,

Denisov

et al. 2024

JMMP

View full text Add to dashboard Cite

show abstract

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Formation of a Multi-Layered Titano-Steel Intermetallic Composite

Cited by 1 publication

References 1 publication

Study of Structure Formation in Multilayer Composite Material AA1070-AlMg6-AA1070-Titanium (VT1-0)-08Cr18Ni10Ti Steel after Explosive Welding and Heat Treatment

Study of Structure Formation in Multilayer Composite Material AA1070-AlMg6-AA1070-Titanium (VT1-0)-08Cr18Ni10Ti Steel after Explosive Welding and Heat Treatment

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