Constitutive model for NiTiFe shape memory alloys exhibiting pronounced R-phase transformation
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F22%3A00564407" target="_blank" >RIV/61388998:_____/22:00564407 - isvavai.cz</a>
Alternative codes found
RIV/68378271:_____/22:00564407
Result on the web
<a href="https://dl.asminternational.org/shape-memory/proceedings/SMST%202022/84291/67/18984" target="_blank" >https://dl.asminternational.org/shape-memory/proceedings/SMST%202022/84291/67/18984</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.31399/asm.cp.smst2022p0067" target="_blank" >10.31399/asm.cp.smst2022p0067</a>
Alternative languages
Result language
angličtina
Original language name
Constitutive model for NiTiFe shape memory alloys exhibiting pronounced R-phase transformation
Original language description
Specific heat treatment or addition of a ternary element may induce a two-stage transformation sequence in NiTi shape memory alloys (SMA). A typical example of intermediating phases is so-called R-phase, a rhombohedral distortion of the cubic austenitic phase, which exhibits much lower transformation strain and thermal hysteresis than the subsequent transition to monoclinic martensite. In specific alloys, e.g., in NiTi slightly enriched by iron, the temperature and stress intervals in which R-phase is stable are quite broad. This paper presents an enhanced constitutive model for NiTi SMA featuring the R-phase transition. The model recognizes R-phase as a distinct phase, respects the coupled influence of stress and temperature on any phase transformation, and covers reorientation (reconfiguration) of both martensite and R-phase with applied stress.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
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OECD FORD branch
20501 - Materials engineering
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Conference Proceedings from International Conference on Shape Memory and Superelastic Technologies, SMST 2022
ISBN
978-171385538-5
ISSN
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e-ISSN
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Number of pages
2
Pages from-to
67-68
Publisher name
ASM International
Place of publication
Materials Park, Ohio
Event location
Carlsbad
Event date
May 16, 2022
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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