Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-y2023002
N. Oya, Tatsuya Sato, D. Yamaguchi
{"title":"In Situ Scanning Electron Microscopy Observation of Sintering Process of Aluminum Alloy","authors":"N. Oya, Tatsuya Sato, D. Yamaguchi","doi":"10.2320/matertrans.mt-y2023002","DOIUrl":"https://doi.org/10.2320/matertrans.mt-y2023002","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48456897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-mf2022044
B. Straumal, A. Gornakova, G. Davdian, A. Mazilkin, Ł. Gondek, M. Szczerba, A. Korneva
{"title":"Review - Phase Transitions in Ti Alloys Driven by the High Pressure Torsion","authors":"B. Straumal, A. Gornakova, G. Davdian, A. Mazilkin, Ł. Gondek, M. Szczerba, A. Korneva","doi":"10.2320/matertrans.mt-mf2022044","DOIUrl":"https://doi.org/10.2320/matertrans.mt-mf2022044","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45332743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-mf2022006
Abdollah Lalpour, M. Mosallaee, A. Ashrafi, A. Zargaran
{"title":"Microstructural Evolution in the Friction Stir Processed AA2024","authors":"Abdollah Lalpour, M. Mosallaee, A. Ashrafi, A. Zargaran","doi":"10.2320/matertrans.mt-mf2022006","DOIUrl":"https://doi.org/10.2320/matertrans.mt-mf2022006","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43799966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-l2023006
Kensuke Kurihara, Ivan Lobzenko, Tomohito Tsuru, Ai Serizawa
Nanoclusters formed in Al–Mg–Si alloys affect the aging behavior of the alloys depending on the formation temperature. In the present study, first-principles calculations were carried out to evaluate the two- and three-body interactions between Mg, Si atoms and vacancies in the Al matrix and estimate the effect of local bonding on the formation of nanoclusters. Monte Carlo simulations were subsequently performed to investigate the stable structure of the nanocluster formed in Al–0.95 mass pct Mg–0.81 mass pct Si alloy. We found that the Mg–Si and Si–Vac pairs are stable in the Al matrix. The result shows that the solute atoms easily aggregate with different types of solute atoms and that the Si atom has a strong attractive interaction with a vacancy. Furthermore, Mg–Si–vacancy triplets are more stable than Mg–Si and Si–vacancy pairs in the Al matrix. The nanoclusters in the Al matrix were thermally stabilized by the stable configurations between solute atoms and vacancy. Thus, the electronic structure calculations suggested that the local bondings within a nanocluster play a significant role in not only the thermal stability but also the formation and growth behavior of nanoclusters during aging at low temperatures.
{"title":"Effects of Local Bonding between Solute Atoms and Vacancy on Formation of Nanoclusters in Al–Mg–Si Alloys","authors":"Kensuke Kurihara, Ivan Lobzenko, Tomohito Tsuru, Ai Serizawa","doi":"10.2320/matertrans.mt-l2023006","DOIUrl":"https://doi.org/10.2320/matertrans.mt-l2023006","url":null,"abstract":"Nanoclusters formed in Al–Mg–Si alloys affect the aging behavior of the alloys depending on the formation temperature. In the present study, first-principles calculations were carried out to evaluate the two- and three-body interactions between Mg, Si atoms and vacancies in the Al matrix and estimate the effect of local bonding on the formation of nanoclusters. Monte Carlo simulations were subsequently performed to investigate the stable structure of the nanocluster formed in Al–0.95 mass pct Mg–0.81 mass pct Si alloy. We found that the Mg–Si and Si–Vac pairs are stable in the Al matrix. The result shows that the solute atoms easily aggregate with different types of solute atoms and that the Si atom has a strong attractive interaction with a vacancy. Furthermore, Mg–Si–vacancy triplets are more stable than Mg–Si and Si–vacancy pairs in the Al matrix. The nanoclusters in the Al matrix were thermally stabilized by the stable configurations between solute atoms and vacancy. Thus, the electronic structure calculations suggested that the local bondings within a nanocluster play a significant role in not only the thermal stability but also the formation and growth behavior of nanoclusters during aging at low temperatures.","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135872426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-m2023005
T. Ho, T. Phan, W.B.K. Putri, S. Yu, P. D. Thang
{"title":"Large Magnetocaloric Effect in Cu-Doped La0.7Ca0.3MnO3 Compounds","authors":"T. Ho, T. Phan, W.B.K. Putri, S. Yu, P. D. Thang","doi":"10.2320/matertrans.mt-m2023005","DOIUrl":"https://doi.org/10.2320/matertrans.mt-m2023005","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45618932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-d2023003
Yanshuo Li, N. Koga, Chihiro Watanabe, H. Miura
{"title":"Effects of Initial Texture on the Formation of Deformation Twins in a Cu–Zn System Alloy","authors":"Yanshuo Li, N. Koga, Chihiro Watanabe, H. Miura","doi":"10.2320/matertrans.mt-d2023003","DOIUrl":"https://doi.org/10.2320/matertrans.mt-d2023003","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46213859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-m2023063
Shizuka Kosugi, Miu Hisamatsu, Y. Ohishi, H. Muta, S. Seino, T. Nakagawa, S. Fujieda
{"title":"Enhancement of Magnetostrictive Properties of CoFe2O4 by Partial Substitution of Cu for Co","authors":"Shizuka Kosugi, Miu Hisamatsu, Y. Ohishi, H. Muta, S. Seino, T. Nakagawa, S. Fujieda","doi":"10.2320/matertrans.mt-m2023063","DOIUrl":"https://doi.org/10.2320/matertrans.mt-m2023063","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47491436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-mf2022058
N. Kudriashova, J. Huot
{"title":"Effect of Cold Rolling on Magnesium-Based Metal Hydrides","authors":"N. Kudriashova, J. Huot","doi":"10.2320/matertrans.mt-mf2022058","DOIUrl":"https://doi.org/10.2320/matertrans.mt-mf2022058","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45090189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-m2023035
Zenji Horita
The eight papers were selected for the best paper award in 2021 to 2022 from Materials Transactions. Here, the awarded papers are briefly summarized as current trends in research of Materials Transactions. Among the eight best papers, four were specially selected for young scientists whose ages are 35 or below. An important trend in the year of 2021 is that three best papers are from a special issue with the title of “Materials Science on Hypermaterials”, which is based on an ongoing national research project, Grant-in-Aid for Scientific Research on Innovative Areas.
{"title":"Best Papers Awarded in 2022 by <i>Materials Transactions</i>","authors":"Zenji Horita","doi":"10.2320/matertrans.mt-m2023035","DOIUrl":"https://doi.org/10.2320/matertrans.mt-m2023035","url":null,"abstract":"The eight papers were selected for the best paper award in 2021 to 2022 from Materials Transactions. Here, the awarded papers are briefly summarized as current trends in research of Materials Transactions. Among the eight best papers, four were specially selected for young scientists whose ages are 35 or below. An important trend in the year of 2021 is that three best papers are from a special issue with the title of “Materials Science on Hypermaterials”, which is based on an ongoing national research project, Grant-in-Aid for Scientific Research on Innovative Areas.","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135327685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-08-01DOI: 10.2320/matertrans.mt-mf2022045
M. Ashida
{"title":"Effects of High-Pressure Torsion on Mechanical Properties of Biocompatible Ti–6Al–7Nb Alloy","authors":"M. Ashida","doi":"10.2320/matertrans.mt-mf2022045","DOIUrl":"https://doi.org/10.2320/matertrans.mt-mf2022045","url":null,"abstract":"","PeriodicalId":18402,"journal":{"name":"Materials Transactions","volume":" ","pages":""},"PeriodicalIF":1.2,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41438634","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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