Počet záznamů: 1
Residual Stress Distribution in a Copper-Aluminum Multifilament Composite Fabricated by Rotary Swaging
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SYSNO ASEP 0570660 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Residual Stress Distribution in a Copper-Aluminum Multifilament Composite Fabricated by Rotary Swaging Tvůrce(i) Canelo-Yubero, D. (DE)
Kocich, R. (CZ)
Šaroun, Jan (UJF-V) RID, ORCID, SAI
Strunz, Pavel (UJF-V) RID, ORCID, SAICelkový počet autorů 4 Číslo článku 2102 Zdroj.dok. Materials. - : MDPI
Roč. 16, č. 5 (2023)Poč.str. 21 s. Forma vydání Online - E Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova composite ; aluminum ; copper ; severe plastic deformation ; rotary swaging ; residual stress ; neutron diffraction ; finite element simulation ; von Mises Obor OECD Materials engineering CEP GA19-15479S GA ČR - Grantová agentura ČR EF16_013/0001812 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy LM2018111 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy LM2023057 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Výzkumná infrastruktura CICRR - 90241 - Centrum výzkumu Řež s.r.o. Způsob publikování Open access Institucionální podpora UJF-V - RVO:61389005 UT WOS 000947181800001 EID SCOPUS 85149893185 DOI 10.3390/ma16052102 Anotace Rotary swaging is a promising technique for the fabrication of clad Cu/Al composites. Residual stresses appearing during the processing of a special arrangement of Al filaments within the Cu matrix and the influence of the bar reversal between the passes were studied by (i) neutron diffraction using a novel evaluation procedure for pseudo-strain correction and (ii) a finite element method simulation. The initial study of the stress differences in the Cu phase allowed us to infer that the stresses around the central Al filament are hydrostatic when the sample is reversed during the passes. This fact enabled the calculation of the stress-free reference and, consequently, the analysis of the hydrostatic and deviatoric components. Finally, the stresses with the von Mises relation were calculated. Hydrostatic stresses (far from the filaments) and axial deviatoric stresses are zero or compressive for both reversed and non-reversed samples. The reversal of the bar direction slightly changes the overall state within the region of high density of Al filaments, where hydrostatic stresses tend to be tensile, but it seems to be advantageous for avoiding plastification in the regions without Al wires. The finite element analysis revealed the presence of shear stresses. Nevertheless, stresses calculated with the von Mises relation show similar trends in the simulation and in the neutron measurements. Microstresses are suggested as a possible reason for the large width of the neutron diffraction peak in the measurement of the radial direction. Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2024 Elektronická adresa https://doi.org/10.3390/ma16052102
Počet záznamů: 1