Element dependence of local disorder in medium-entropy alloy CrCoNi
The medium-entropy alloy CrCoNi is known to have exceptional mechanical properties. To clarify its local structure, we performed extended x-ray absorption fine structure measurement of CrCoNi. The structural disorder is larger in Cr sites than in other constituent elements, which is consistent with...
| Main Authors: | , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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AIP Publishing LLC
2021-12-01
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| Series: | AIP Advances |
| Online Access: | http://dx.doi.org/10.1063/5.0072766 |
| _version_ | 1819007493985009664 |
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| author | N. Hanasaki M. Oda K. Niitsu K. Ehara H. Murakawa H. Sakai H. Nitani H. Abe H. Sagayama H. Uetsuka T. Karube H. Inui |
| author_facet | N. Hanasaki M. Oda K. Niitsu K. Ehara H. Murakawa H. Sakai H. Nitani H. Abe H. Sagayama H. Uetsuka T. Karube H. Inui |
| author_sort | N. Hanasaki |
| collection | DOAJ |
| description | The medium-entropy alloy CrCoNi is known to have exceptional mechanical properties. To clarify its local structure, we performed extended x-ray absorption fine structure measurement of CrCoNi. The structural disorder is larger in Cr sites than in other constituent elements, which is consistent with the larger atomic displacement of the Cr atoms predicted by previous first-principles calculations. The Cr atom has a solute-type characteristic that induces local disorder. The differences in local disorder among the constituent elements decrease as the annealing time increases in the temperature range in which a short-range order develops. |
| first_indexed | 2024-12-21T00:25:28Z |
| format | Article |
| id | doaj.art-9386c452d92a4dac98eb96b75eda6376 |
| institution | Directory Open Access Journal |
| issn | 2158-3226 |
| language | English |
| last_indexed | 2024-12-21T00:25:28Z |
| publishDate | 2021-12-01 |
| publisher | AIP Publishing LLC |
| record_format | Article |
| series | AIP Advances |
| spelling | doaj.art-9386c452d92a4dac98eb96b75eda63762022-12-21T19:22:00ZengAIP Publishing LLCAIP Advances2158-32262021-12-011112125216125216-410.1063/5.0072766Element dependence of local disorder in medium-entropy alloy CrCoNiN. Hanasaki0M. Oda1K. Niitsu2K. Ehara3H. Murakawa4H. Sakai5H. Nitani6H. Abe7H. Sagayama8H. Uetsuka9T. Karube10H. Inui11Department of Physics, Osaka University, Toyonaka, Osaka 560-0043, JapanDepartment of Physics, Osaka University, Toyonaka, Osaka 560-0043, JapanDepartment of Materials Science and Engineering, Kyoto University, Kyoto 606-8501, JapanDepartment of Materials Science and Engineering, Kyoto University, Kyoto 606-8501, JapanDepartment of Physics, Osaka University, Toyonaka, Osaka 560-0043, JapanDepartment of Physics, Osaka University, Toyonaka, Osaka 560-0043, JapanInstitute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, JapanInstitute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, JapanInstitute of Materials Structure Science, High Energy Accelerator Research Organization (KEK), 1-1 Oho, Tsukuba, Ibaraki 305-0801, JapanAsahi Diamond Industrial Co., Ltd., Kawasaki, Kanagawa 213-0032, JapanAsahi Diamond Industrial Co., Ltd., Kawasaki, Kanagawa 213-0032, JapanDepartment of Materials Science and Engineering, Kyoto University, Kyoto 606-8501, JapanThe medium-entropy alloy CrCoNi is known to have exceptional mechanical properties. To clarify its local structure, we performed extended x-ray absorption fine structure measurement of CrCoNi. The structural disorder is larger in Cr sites than in other constituent elements, which is consistent with the larger atomic displacement of the Cr atoms predicted by previous first-principles calculations. The Cr atom has a solute-type characteristic that induces local disorder. The differences in local disorder among the constituent elements decrease as the annealing time increases in the temperature range in which a short-range order develops.http://dx.doi.org/10.1063/5.0072766 |
| spellingShingle | N. Hanasaki M. Oda K. Niitsu K. Ehara H. Murakawa H. Sakai H. Nitani H. Abe H. Sagayama H. Uetsuka T. Karube H. Inui Element dependence of local disorder in medium-entropy alloy CrCoNi AIP Advances |
| title | Element dependence of local disorder in medium-entropy alloy CrCoNi |
| title_full | Element dependence of local disorder in medium-entropy alloy CrCoNi |
| title_fullStr | Element dependence of local disorder in medium-entropy alloy CrCoNi |
| title_full_unstemmed | Element dependence of local disorder in medium-entropy alloy CrCoNi |
| title_short | Element dependence of local disorder in medium-entropy alloy CrCoNi |
| title_sort | element dependence of local disorder in medium entropy alloy crconi |
| url | http://dx.doi.org/10.1063/5.0072766 |
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