Development of structure and properties in bimetallic Al/Cu sandwich composite during cumulative severe plastic deformation

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F21%3A10248061" target="_blank" >RIV/61989100:27360/21:10248061 - isvavai.cz</a>

Result on the web

<a href="https://journals.sagepub.com/doi/10.1177/1099636221993886" target="_blank" >https://journals.sagepub.com/doi/10.1177/1099636221993886</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1177/1099636221993886" target="_blank" >10.1177/1099636221993886</a>

Result language

angličtina

Original language name

Development of structure and properties in bimetallic Al/Cu sandwich composite during cumulative severe plastic deformation

Original language description

Development of modern materials is non-negligibly connected with enhancement of their mechanical and utility properties, which can advantageously be performed via optimized deformation processing. The study presents preparation of Al/Cu sandwich composite, reinforced with Cu-wires, by the twist channel angular pressing (TCAP) method. Extrusion of the sandwich composite via single and double pass TCAP was simulated using the finite element method, and performed experimentally. The predicted deformation behaviour was verified by 3 D Micro-CT scanning, as well as detailed microstructure observations. The results showed that already the single TCAP resulted in substantial deformation strengthening of both the component metals, and the effective strain imposed within the Al-sheath reached the value of 5 after the second pass. The Al-sheath also featured homogeneous distribution of the lowest absolute values of residual stress, and the smallest average grain size of 1.66 micrometers. The Cu grains within both the composites were also significantly refined, to almost 3 micrometers after the second pass. Nevertheless, the observed parameters featured slight variations across the composites&apos; cross-sections, which can be attributed to the plastic flow behaviour phenomena. The severe imposed shear strain also resulted in increase in microhardness and imparted changes in the thermal conductivity.

Czech name

—

Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Project

<a href="/en/project/GA19-15479S" target="_blank" >GA19-15479S: Residual stress and microstructure in metal-based clad composites processed by intensive plastic deformation</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Sandwich Structures and Materials

ISSN

1099-6362

e-ISSN

—

Volume of the periodical

neuveden

Issue of the periodical within the volume

february

Country of publishing house

GB - UNITED KINGDOM

Number of pages

24

Pages from-to

4252-4275

UT code for WoS article

000656000900001

EID of the result in the Scopus database

2-s2.0-85101227273