Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing

Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applicatio...
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Autor*in:	Gantz, Faith [verfasserIn] Wall, Michael T. Young, Marcus L. Forbes, Drew J.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Fatigue NiTiHf < Materials SMA Thermal cycling Aging Cyclic Stability

Anmerkung:	© ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Übergeordnetes Werk:	Enthalten in: Shape memory and superelasticity - [Cham] : Springer International Publishing, 2015, 8(2022), 4 vom: Dez., Seite 439-451
Übergeordnetes Werk:	volume:8 ; year:2022 ; number:4 ; month:12 ; pages:439-451

Links:	Volltext

DOI / URN:	10.1007/s40830-022-00404-y

Katalog-ID:	SPR048887862

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520			\|a Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain.
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allfields	10.1007/s40830-022-00404-y doi (DE-627)SPR048887862 (SPR)s40830-022-00404-y-e DE-627 ger DE-627 rakwb eng Gantz, Faith verfasserin aut Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. Fatigue (dpeaa)DE-He213 NiTiHf < Materials (dpeaa)DE-He213 SMA (dpeaa)DE-He213 Thermal cycling (dpeaa)DE-He213 Aging (dpeaa)DE-He213 Cyclic Stability (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Wall, Michael T. aut Young, Marcus L. (orcid)0000-0002-4953-5562 aut Forbes, Drew J. aut Enthalten in Shape memory and superelasticity [Cham] : Springer International Publishing, 2015 8(2022), 4 vom: Dez., Seite 439-451 (DE-627)82101918X (DE-600)2815712-6 2199-3858 nnns volume:8 year:2022 number:4 month:12 pages:439-451 https://dx.doi.org/10.1007/s40830-022-00404-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4 12 439-451
spelling	10.1007/s40830-022-00404-y doi (DE-627)SPR048887862 (SPR)s40830-022-00404-y-e DE-627 ger DE-627 rakwb eng Gantz, Faith verfasserin aut Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. Fatigue (dpeaa)DE-He213 NiTiHf < Materials (dpeaa)DE-He213 SMA (dpeaa)DE-He213 Thermal cycling (dpeaa)DE-He213 Aging (dpeaa)DE-He213 Cyclic Stability (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Wall, Michael T. aut Young, Marcus L. (orcid)0000-0002-4953-5562 aut Forbes, Drew J. aut Enthalten in Shape memory and superelasticity [Cham] : Springer International Publishing, 2015 8(2022), 4 vom: Dez., Seite 439-451 (DE-627)82101918X (DE-600)2815712-6 2199-3858 nnns volume:8 year:2022 number:4 month:12 pages:439-451 https://dx.doi.org/10.1007/s40830-022-00404-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4 12 439-451
allfields_unstemmed	10.1007/s40830-022-00404-y doi (DE-627)SPR048887862 (SPR)s40830-022-00404-y-e DE-627 ger DE-627 rakwb eng Gantz, Faith verfasserin aut Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. Fatigue (dpeaa)DE-He213 NiTiHf < Materials (dpeaa)DE-He213 SMA (dpeaa)DE-He213 Thermal cycling (dpeaa)DE-He213 Aging (dpeaa)DE-He213 Cyclic Stability (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Wall, Michael T. aut Young, Marcus L. (orcid)0000-0002-4953-5562 aut Forbes, Drew J. aut Enthalten in Shape memory and superelasticity [Cham] : Springer International Publishing, 2015 8(2022), 4 vom: Dez., Seite 439-451 (DE-627)82101918X (DE-600)2815712-6 2199-3858 nnns volume:8 year:2022 number:4 month:12 pages:439-451 https://dx.doi.org/10.1007/s40830-022-00404-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4 12 439-451
allfieldsGer	10.1007/s40830-022-00404-y doi (DE-627)SPR048887862 (SPR)s40830-022-00404-y-e DE-627 ger DE-627 rakwb eng Gantz, Faith verfasserin aut Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. Fatigue (dpeaa)DE-He213 NiTiHf < Materials (dpeaa)DE-He213 SMA (dpeaa)DE-He213 Thermal cycling (dpeaa)DE-He213 Aging (dpeaa)DE-He213 Cyclic Stability (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Wall, Michael T. aut Young, Marcus L. (orcid)0000-0002-4953-5562 aut Forbes, Drew J. aut Enthalten in Shape memory and superelasticity [Cham] : Springer International Publishing, 2015 8(2022), 4 vom: Dez., Seite 439-451 (DE-627)82101918X (DE-600)2815712-6 2199-3858 nnns volume:8 year:2022 number:4 month:12 pages:439-451 https://dx.doi.org/10.1007/s40830-022-00404-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4 12 439-451
allfieldsSound	10.1007/s40830-022-00404-y doi (DE-627)SPR048887862 (SPR)s40830-022-00404-y-e DE-627 ger DE-627 rakwb eng Gantz, Faith verfasserin aut Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. Fatigue (dpeaa)DE-He213 NiTiHf < Materials (dpeaa)DE-He213 SMA (dpeaa)DE-He213 Thermal cycling (dpeaa)DE-He213 Aging (dpeaa)DE-He213 Cyclic Stability (dpeaa)DE-He213 Fatigue (dpeaa)DE-He213 Wall, Michael T. aut Young, Marcus L. (orcid)0000-0002-4953-5562 aut Forbes, Drew J. aut Enthalten in Shape memory and superelasticity [Cham] : Springer International Publishing, 2015 8(2022), 4 vom: Dez., Seite 439-451 (DE-627)82101918X (DE-600)2815712-6 2199-3858 nnns volume:8 year:2022 number:4 month:12 pages:439-451 https://dx.doi.org/10.1007/s40830-022-00404-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 8 2022 4 12 439-451
language	English
source	Enthalten in Shape memory and superelasticity 8(2022), 4 vom: Dez., Seite 439-451 volume:8 year:2022 number:4 month:12 pages:439-451
sourceStr	Enthalten in Shape memory and superelasticity 8(2022), 4 vom: Dez., Seite 439-451 volume:8 year:2022 number:4 month:12 pages:439-451
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Fatigue NiTiHf < Materials SMA Thermal cycling Aging Cyclic Stability
isfreeaccess_bool	false
container_title	Shape memory and superelasticity
authorswithroles_txt_mv	Gantz, Faith @@aut@@ Wall, Michael T. @@aut@@ Young, Marcus L. @@aut@@ Forbes, Drew J. @@aut@@
publishDateDaySort_date	2022-12-01T00:00:00Z
hierarchy_top_id	82101918X
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author	Gantz, Faith
spellingShingle	Gantz, Faith misc Fatigue misc NiTiHf < Materials misc SMA misc Thermal cycling misc Aging misc Cyclic Stability Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing
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topic_title	Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing Fatigue (dpeaa)DE-He213 NiTiHf < Materials (dpeaa)DE-He213 SMA (dpeaa)DE-He213 Thermal cycling (dpeaa)DE-He213 Aging (dpeaa)DE-He213 Cyclic Stability (dpeaa)DE-He213
topic	misc Fatigue misc NiTiHf < Materials misc SMA misc Thermal cycling misc Aging misc Cyclic Stability
topic_unstemmed	misc Fatigue misc NiTiHf < Materials misc SMA misc Thermal cycling misc Aging misc Cyclic Stability
topic_browse	misc Fatigue misc NiTiHf < Materials misc SMA misc Thermal cycling misc Aging misc Cyclic Stability
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title	Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing
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title_full	Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing
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author_browse	Gantz, Faith Wall, Michael T. Young, Marcus L. Forbes, Drew J.
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title_sort	extending fatigue life of nitihf shape memory alloy wires through rapid thermal annealing
title_auth	Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing
abstract	Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstractGer	Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
abstract_unstemmed	Abstract Two challenges facing high temperature shape memory alloys (HTSMAs) involve extending the actuation fatigue life and maximizing the actuator response. Thus, the focus of this study was to determine alternative processing parameters to form the optimal microstructure for actuation applications involving NiTiHf HTSMA wires. In this study, the effect of rapid thermal annealing (RTA) on the thermo-mechanical properties of Ni-lean $ Ni_{49.8} %$ Ti_{40.2} %$ Hf_{10} $ and Ni-rich $ Ni_{50.3} %$ Ti_{29.7} %$ Hf_{20} $ HTSMA wires was investigated. Both alloys were produced from a large-scale ingot, homogenized, then extruded, and subsequently cold-drawn to wire. In the final pass, the wires were rapid thermal annealed in an Ar environment for short times at various temperatures. The samples were characterized using differential scanning calorimetry, scanning electron microscopy equipped with energy dispersive spectroscopy, transmission electron microscopy, and thermo-mechanical testing. RTA was shown to be a time efficient technique to control grain size and oxidation of small diameter Ni-lean and Ni-rich NiTiHf HTSMA wires. The resulting grain size proved to be critical to controlling the actuation fatigue life and actuation strain response; however, an inverse relationship was found between fatigue life and actuation strain, i.e., longer fatigue life also meant lower actuation strain. © ASM International 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
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container_issue	4
title_short	Extending Fatigue Life of NiTiHf Shape Memory Alloy Wires Through Rapid Thermal Annealing
url	https://dx.doi.org/10.1007/s40830-022-00404-y
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author2	Wall, Michael T. Young, Marcus L. Forbes, Drew J.
author2Str	Wall, Michael T. Young, Marcus L. Forbes, Drew J.
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doi_str	10.1007/s40830-022-00404-y
up_date	2024-07-03T22:05:29.898Z
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