Details
| Originalsprache | Englisch |
|---|---|
| Aufsatznummer | 113618 |
| Fachzeitschrift | Scripta Materialia |
| Jahrgang | 194 |
| Frühes Online-Datum | 16 Nov. 2020 |
| Publikationsstatus | Veröffentlicht - 15 März 2021 |
Abstract
In the present study, the temperature dependence of martensite variant reorientation in stress-induced martensite aged at 423 K along the [110]B2||[100]L10-direction Ni49Fe18Ga27Co6 single crystals was investigated in compression. This martensite aging induces a rubber-like behavior with a reversible strain of up to –16.0% along the [001]B2-direction in the temperature range from 248 K to 344 K, which is caused by L10-martensite variant reorientation. At higher temperatures between the forward and reverse transformation from 344 K to 382 K, the stress-induced martensite aged crystals demonstrate a two-stage stress-strain response with a reversible strain of up to –13.5%. The first stage is characterized by low critical stresses of σcr1 ≈ 1 – 15 MPa and an inverse elastocaloric effect (heat absorption) under loading. Superelasticity is observed in the second stage with σcr2 ≥ 100 MPa. In this temperature range, the martensite variant reorientation occurs through reverse and then forward martensitic transformation.
ASJC Scopus Sachgebiete
- Werkstoffwissenschaften (insg.)
- Allgemeine Materialwissenschaften
- Physik und Astronomie (insg.)
- Physik der kondensierten Materie
- Ingenieurwesen (insg.)
- Werkstoffmechanik
- Ingenieurwesen (insg.)
- Maschinenbau
- Werkstoffwissenschaften (insg.)
- Metalle und Legierungen
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in: Scripta Materialia, Jahrgang 194, 113618, 15.03.2021.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Temperature dependence of martensite variant reorientation in stress-induced martensite aged Ni49Fe18Ga27Co6 single crystals
AU - Panchenko, Elena
AU - Tokhmetova, A.
AU - Surikov, N.
AU - Eftifeeva, Anna
AU - Tagiltsev, A.
AU - Timofeeva, E.
AU - Chumlyakov, Y.
AU - Gerstein, Gregory
AU - Maier, Hans-Jürgen
N1 - Funding Information: This study was supported by the Russian Science Foundation (grant No. 20-19-00153 ).
PY - 2021/3/15
Y1 - 2021/3/15
N2 - In the present study, the temperature dependence of martensite variant reorientation in stress-induced martensite aged at 423 K along the [110]B2||[100]L10-direction Ni49Fe18Ga27Co6 single crystals was investigated in compression. This martensite aging induces a rubber-like behavior with a reversible strain of up to –16.0% along the [001]B2-direction in the temperature range from 248 K to 344 K, which is caused by L10-martensite variant reorientation. At higher temperatures between the forward and reverse transformation from 344 K to 382 K, the stress-induced martensite aged crystals demonstrate a two-stage stress-strain response with a reversible strain of up to –13.5%. The first stage is characterized by low critical stresses of σcr1 ≈ 1 – 15 MPa and an inverse elastocaloric effect (heat absorption) under loading. Superelasticity is observed in the second stage with σcr2 ≥ 100 MPa. In this temperature range, the martensite variant reorientation occurs through reverse and then forward martensitic transformation.
AB - In the present study, the temperature dependence of martensite variant reorientation in stress-induced martensite aged at 423 K along the [110]B2||[100]L10-direction Ni49Fe18Ga27Co6 single crystals was investigated in compression. This martensite aging induces a rubber-like behavior with a reversible strain of up to –16.0% along the [001]B2-direction in the temperature range from 248 K to 344 K, which is caused by L10-martensite variant reorientation. At higher temperatures between the forward and reverse transformation from 344 K to 382 K, the stress-induced martensite aged crystals demonstrate a two-stage stress-strain response with a reversible strain of up to –13.5%. The first stage is characterized by low critical stresses of σcr1 ≈ 1 – 15 MPa and an inverse elastocaloric effect (heat absorption) under loading. Superelasticity is observed in the second stage with σcr2 ≥ 100 MPa. In this temperature range, the martensite variant reorientation occurs through reverse and then forward martensitic transformation.
KW - Ferromagnetic shape memory alloy
KW - martensitic phase transformation
KW - rubber-like behavior
KW - thermomechanical processing
UR - http://www.scopus.com/inward/record.url?scp=85096204745&partnerID=8YFLogxK
U2 - 10.1016/j.scriptamat.2020.10.056
DO - 10.1016/j.scriptamat.2020.10.056
M3 - Article
AN - SCOPUS:85096204745
VL - 194
JO - Scripta Materialia
JF - Scripta Materialia
SN - 1359-6462
M1 - 113618
ER -