Pub Date : 2023-12-28DOI: 10.1007/s40830-023-00472-8
Timothée Cullaz, Mohammadreza Nematollahi, K. Safaei, L. Saint-Sulpice, L. Pino, S. Vanaei, Parastoo Jamshidi, Moataz M. Attallah, O. Benafan, S. Arbab Chirani, Mohammad Elahinia
{"title":"Effect of Post-treatments on the Thermomechanical Behavior of NiTiHf High-Temperature Shape Memory Alloy Fabricated with Laser Powder Bed Fusion","authors":"Timothée Cullaz, Mohammadreza Nematollahi, K. Safaei, L. Saint-Sulpice, L. Pino, S. Vanaei, Parastoo Jamshidi, Moataz M. Attallah, O. Benafan, S. Arbab Chirani, Mohammad Elahinia","doi":"10.1007/s40830-023-00472-8","DOIUrl":"https://doi.org/10.1007/s40830-023-00472-8","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"15 11","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139148504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-12-12DOI: 10.1007/s40830-023-00471-9
M. Ayyildiz, G. Kirat, M. A. Aksan
{"title":"Magnetic Field-Induced Martensitic Phase Transition in Cr-Substituted Ni–Mn–Sb + B Shape Memory Alloys","authors":"M. Ayyildiz, G. Kirat, M. A. Aksan","doi":"10.1007/s40830-023-00471-9","DOIUrl":"https://doi.org/10.1007/s40830-023-00471-9","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"51 10","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139009753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-30DOI: 10.1007/s40830-023-00470-w
Juan Cassinerio, M. F. Giordana, Eugenia Zelaya, V. Remich, P. Krooss, J. Freudenberger, T. Niendorf, C. Sobrero
{"title":"On the Impact of γ´ Precipitates on the Transformation Temperatures in Fe–Ni–Co–Al–Ti–B Shape Memory Alloy Wires","authors":"Juan Cassinerio, M. F. Giordana, Eugenia Zelaya, V. Remich, P. Krooss, J. Freudenberger, T. Niendorf, C. Sobrero","doi":"10.1007/s40830-023-00470-w","DOIUrl":"https://doi.org/10.1007/s40830-023-00470-w","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"119 1","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139207601","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-20DOI: 10.1007/s40830-023-00466-6
Mahendaran Uchimali, P. Šittner
{"title":"A Brief Review on Discrete Modelling of Martensitic Phase Transformations","authors":"Mahendaran Uchimali, P. Šittner","doi":"10.1007/s40830-023-00466-6","DOIUrl":"https://doi.org/10.1007/s40830-023-00466-6","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"49 3","pages":""},"PeriodicalIF":2.2,"publicationDate":"2023-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139255398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-11-13DOI: 10.1007/s40830-023-00469-3
{"title":"SMST 2024 to Feature Founders’ Grant Recipient Announcement","authors":"","doi":"10.1007/s40830-023-00469-3","DOIUrl":"https://doi.org/10.1007/s40830-023-00469-3","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"19 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136281698","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-30DOI: 10.1007/s40830-023-00467-5
Yingchao Li, Sam Bakhtiari, Hong Yang, Martin Saunders, Daqiang Jiang, Yinong Liu
Abstract This study investigated the effects of a variety of point defects on the monoclinic angle of the B19″ martensite in NiTi, including Ni and Ti vacancies, Ni–Ti anti-sites in the lattice, third element substitution, and Ni and Ti enrichments in the B2 stoichiometry. Their effects were studied by density functional theory calculations on the monoclinic B19″ phase as a proxy for the experimentally observed B19′ phase. It was found that vacancies and Ni–Ti anti-sites reduce the monoclinic angle of B19″, whereas third element substitution of Ni and Ti may affect the monoclinic angle in both directions depending on the third element and the host element it replaces. Enriching Ni or Ti content to deviate from the B2 stoichiometry decreases the monoclinic angle. A change in the monoclinic angle of the B19″ phase implies variation in the characteristic strains associated with the transformation. Thus, these findings may provide a new angle on possible interpretations of the variations of recoverable transformation strains experimentally observed of NiTi shape memory alloys.
{"title":"Effects of Point Defects on the Monoclinic Angle of the B19″ Phase in NiTi-Based Shape Memory Alloys","authors":"Yingchao Li, Sam Bakhtiari, Hong Yang, Martin Saunders, Daqiang Jiang, Yinong Liu","doi":"10.1007/s40830-023-00467-5","DOIUrl":"https://doi.org/10.1007/s40830-023-00467-5","url":null,"abstract":"Abstract This study investigated the effects of a variety of point defects on the monoclinic angle of the B19″ martensite in NiTi, including Ni and Ti vacancies, Ni–Ti anti-sites in the lattice, third element substitution, and Ni and Ti enrichments in the B2 stoichiometry. Their effects were studied by density functional theory calculations on the monoclinic B19″ phase as a proxy for the experimentally observed B19′ phase. It was found that vacancies and Ni–Ti anti-sites reduce the monoclinic angle of B19″, whereas third element substitution of Ni and Ti may affect the monoclinic angle in both directions depending on the third element and the host element it replaces. Enriching Ni or Ti content to deviate from the B2 stoichiometry decreases the monoclinic angle. A change in the monoclinic angle of the B19″ phase implies variation in the characteristic strains associated with the transformation. Thus, these findings may provide a new angle on possible interpretations of the variations of recoverable transformation strains experimentally observed of NiTi shape memory alloys.","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"16 10","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136104180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-09-26DOI: 10.1007/s40830-023-00465-7
Rafael Braga da Cunha, Pankaj Agrawal, Gustavo de Figueiredo Brito, Tomás Jeferson Alves de Mélo
{"title":"Correction to: Toughening and Shape Memory Effect on PLA/Copolymers Blends Produced by Simultaneous Dynamic Vulcanization and Reactive Compatibilization","authors":"Rafael Braga da Cunha, Pankaj Agrawal, Gustavo de Figueiredo Brito, Tomás Jeferson Alves de Mélo","doi":"10.1007/s40830-023-00465-7","DOIUrl":"https://doi.org/10.1007/s40830-023-00465-7","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134960205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-09-19DOI: 10.1007/s40830-023-00464-8
Bashir S. Shariat, Yinong Liu
Abstract NiTi alloy exhibits a stress-induced B2 ↔ B19' martensitic transformation. This transformation is practically isochoric, thus has a Poisson’s ratio of 0.5. This imposes a complex interaction with elastic deformation which has a lower Poisson’s ratio and with plastic deformation which is not recoverable when interacting with other materials in a composite or an assembly, thus a challenge for the design of such materials or devices using them. This study investigated the variation of the Poisson’s ratio of a NiTi alloy during pseudoelastic deformation by means of the digital image correlation technique. The Poisson’s ratio of the alloy was found to increase from 0.39 in the apparent elastic deformation stage to 0.44 prior to the onset of the Lüders-type deformation and then to 0.48 after the passing of the Lüders band.
{"title":"Variation of Poisson’s Ratio of NiTi During Pseudoelastic Deformation","authors":"Bashir S. Shariat, Yinong Liu","doi":"10.1007/s40830-023-00464-8","DOIUrl":"https://doi.org/10.1007/s40830-023-00464-8","url":null,"abstract":"Abstract NiTi alloy exhibits a stress-induced B2 ↔ B19' martensitic transformation. This transformation is practically isochoric, thus has a Poisson’s ratio of 0.5. This imposes a complex interaction with elastic deformation which has a lower Poisson’s ratio and with plastic deformation which is not recoverable when interacting with other materials in a composite or an assembly, thus a challenge for the design of such materials or devices using them. This study investigated the variation of the Poisson’s ratio of a NiTi alloy during pseudoelastic deformation by means of the digital image correlation technique. The Poisson’s ratio of the alloy was found to increase from 0.39 in the apparent elastic deformation stage to 0.44 prior to the onset of the Lüders-type deformation and then to 0.48 after the passing of the Lüders band.","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135059473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-09-01DOI: 10.1007/s40830-023-00463-9
{"title":"Shape Memory and Superelasticity Receives Its First Impact Factor!","authors":"","doi":"10.1007/s40830-023-00463-9","DOIUrl":"https://doi.org/10.1007/s40830-023-00463-9","url":null,"abstract":"","PeriodicalId":46111,"journal":{"name":"Shape Memory and Superelasticity","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134917393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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