High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy
By using state-of-the-art characterisation techniques including atom probe tomography and atomic resolved elemental mapping, we successfully probed the site occupation evolution associated with composition change in γ′, during 1100°C creep of a fourth generation Ru-bearing Ni-based superalloy. It is...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Taylor & Francis Group
2023-10-01
|
| Series: | Materials Research Letters |
| Subjects: | |
| Online Access: | https://www.tandfonline.com/doi/10.1080/21663831.2023.2254910 |
| _version_ | 1797681367844126720 |
|---|---|
| author | Yunsong Zhao Na Li Li Wang Junyang He Weihong Liu Min Song |
| author_facet | Yunsong Zhao Na Li Li Wang Junyang He Weihong Liu Min Song |
| author_sort | Yunsong Zhao |
| collection | DOAJ |
| description | By using state-of-the-art characterisation techniques including atom probe tomography and atomic resolved elemental mapping, we successfully probed the site occupation evolution associated with composition change in γ′, during 1100°C creep of a fourth generation Ru-bearing Ni-based superalloy. It is quantified that, W and Ru maintain unchanged site preference after creep rupture, while interestingly, the rest elements especially Co, Ta and Re show a weakened preference at both α- and β-sites in the γ′ lattice. This indicates the overall reduced γ′ ordering degree and thus the possible decrease in planar fault energies, which further facilitates dislocation shearing in γ′. |
| first_indexed | 2024-03-11T23:43:53Z |
| format | Article |
| id | doaj.art-4460c21924e14f83891da19c1c4398ab |
| institution | Directory Open Access Journal |
| issn | 2166-3831 |
| language | English |
| last_indexed | 2024-03-11T23:43:53Z |
| publishDate | 2023-10-01 |
| publisher | Taylor & Francis Group |
| record_format | Article |
| series | Materials Research Letters |
| spelling | doaj.art-4460c21924e14f83891da19c1c4398ab2023-09-19T14:42:06ZengTaylor & Francis GroupMaterials Research Letters2166-38312023-10-01111088889510.1080/21663831.2023.2254910High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloyYunsong Zhao0Na Li1Li Wang2Junyang He3Weihong Liu4Min Song5Science and Technology on Advanced High Temperature Structural Materials laboratory, Beijing Institute of Aeronautical Materials, Beijing, People’s Republic of ChinaState Key Laboratory of Powder Metallurgy, Central South University, Changsha, People’s Republic of ChinaState Key Laboratory of Powder Metallurgy, Central South University, Changsha, People’s Republic of ChinaState Key Laboratory of Powder Metallurgy, Central South University, Changsha, People’s Republic of ChinaSchool of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, People’s Republic of ChinaState Key Laboratory of Powder Metallurgy, Central South University, Changsha, People’s Republic of ChinaBy using state-of-the-art characterisation techniques including atom probe tomography and atomic resolved elemental mapping, we successfully probed the site occupation evolution associated with composition change in γ′, during 1100°C creep of a fourth generation Ru-bearing Ni-based superalloy. It is quantified that, W and Ru maintain unchanged site preference after creep rupture, while interestingly, the rest elements especially Co, Ta and Re show a weakened preference at both α- and β-sites in the γ′ lattice. This indicates the overall reduced γ′ ordering degree and thus the possible decrease in planar fault energies, which further facilitates dislocation shearing in γ′.https://www.tandfonline.com/doi/10.1080/21663831.2023.2254910Ni-based superalloyRu-bearingsite occupationorderingcreep rupture |
| spellingShingle | Yunsong Zhao Na Li Li Wang Junyang He Weihong Liu Min Song High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy Materials Research Letters Ni-based superalloy Ru-bearing site occupation ordering creep rupture |
| title | High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy |
| title_full | High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy |
| title_fullStr | High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy |
| title_full_unstemmed | High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy |
| title_short | High-temperature creep-induced site occupation evolution in the γ′ lattice in a Ru-bearing Ni-based superalloy |
| title_sort | high temperature creep induced site occupation evolution in the γ lattice in a ru bearing ni based superalloy |
| topic | Ni-based superalloy Ru-bearing site occupation ordering creep rupture |
| url | https://www.tandfonline.com/doi/10.1080/21663831.2023.2254910 |
| work_keys_str_mv | AT yunsongzhao hightemperaturecreepinducedsiteoccupationevolutionintheglatticeinarubearingnibasedsuperalloy AT nali hightemperaturecreepinducedsiteoccupationevolutionintheglatticeinarubearingnibasedsuperalloy AT liwang hightemperaturecreepinducedsiteoccupationevolutionintheglatticeinarubearingnibasedsuperalloy AT junyanghe hightemperaturecreepinducedsiteoccupationevolutionintheglatticeinarubearingnibasedsuperalloy AT weihongliu hightemperaturecreepinducedsiteoccupationevolutionintheglatticeinarubearingnibasedsuperalloy AT minsong hightemperaturecreepinducedsiteoccupationevolutionintheglatticeinarubearingnibasedsuperalloy |