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Neutron diffraction study of the stress distribution in steel matrix around active NiTi inserts
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SYSNO ASEP 0346550 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Neutron diffraction study of the stress distribution in steel matrix around active NiTi inserts Tvůrce(i) Davydov, Vadim (UJF-V)
Lukáš, Petr (UJF-V) RID, ORCID, SAI
Vrána, Miroslav (UJF-V) RID
Malard, B. (CZ)
Pilch, Jan (FZU-D) RID
Maximov, V. (CZ)
Šittner, Petr (FZU-D) RID, ORCIDZdroj.dok. Materials Science and Engineering A Structural Materials Properties Microstructure and Processing. - : Elsevier - ISSN 0921-5093
Roč. 527, č. 15 (2010), s. 3310-3316Poč.str. 7 s. Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova In-situ neutron diffraction ; Shape memory alloys ; Residual stresses Vědní obor RIV BG - Jaderná, atomová a mol. fyzika, urychlovače CEP GAP107/10/0824 GA ČR - Grantová agentura ČR IAA200100627 GA AV ČR - Akademie věd CEZ AV0Z10480505 - UJF-V (2005-2011) AV0Z10100520 - FZU-D (2005-2011) UT WOS 000277758000002 DOI 10.1016/j.msea.2010.02.044 Anotace The present work deals with a non-conventional application of multifunctional materials such as shape memory alloy in engineering components. The concept of active inserts has been adopted in order to redistribute compressive stresses emerged in cutting disc during its operation. According to the present design, the small pre-strained elliptical NiTi elements were placed into openings of steel cutting disc in places with expected maximum stress concentration. To study the stress interaction of the NiTi inserts with steel matrix in detail, the in-situ method of neutron diffraction was employed for residual stress mapping. The diffraction experiments were focused substantially on scan of internal stresses around inserts and their evolution with increased temperature. The performed studies confirm the potential ability of NiTi insert to induce the compressive stress within steel matrix with applied temperature. Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2011
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