دورية أكاديمية
Delayed plasticity during nanoindentation of single-phase CoCrFeMnNi high-entropy alloy
| العنوان: | Delayed plasticity during nanoindentation of single-phase CoCrFeMnNi high-entropy alloy |
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| المؤلفون: | Q. F. He, J. F. Zeng, S. Wang, Y. F. Ye, C. Zhu, T. G. Nieh, Z. P. Lu, Y. Yang |
| المصدر: | Materials Research Letters, Vol 5, Iss 5, Pp 300-305 (2017) |
| بيانات النشر: | Taylor & Francis Group, 2017. |
| سنة النشر: | 2017 |
| المجموعة: | LCC:Materials of engineering and construction. Mechanics of materials |
| مصطلحات موضوعية: | High-entropy alloys, nanoindentation, delayed plasticity, dislocation nucleation, Materials of engineering and construction. Mechanics of materials, TA401-492 |
| الوصف: | Spherical nanoindentation was performed at room temperature to characterize the time-dependent plasticity behavior of the single-phase CoCrFeMnNi high-entropy alloy (HEA). It was observed that incipient plasticity occurred after a period of waiting time in the apparent elastic regime. Through the experimental data, an activation energy ∼0.74 eV and an activation volume ∼1.54b3 (b = Burgers vector) were extracted for the delayed plasticity. Our results indicate that heterogeneous dislocation nucleation governs the delayed plasticity in the single-phase CoCrFeMnNi, and also provide quantitative insights into viscoplastic behavior and creep mechanisms in HEAs. |
| نوع الوثيقة: | article |
| وصف الملف: | electronic resource |
| اللغة: | English |
| تدمد: | 2166-3831 21663831 |
| Relation: | https://doaj.org/toc/2166-3831 |
| DOI: | 10.1080/21663831.2016.1269026 |
| URL الوصول: | https://doaj.org/article/389492169e3d4e25a97806ce197d3910 |
| رقم الأكسشن: | edsdoj.389492169e3d4e25a97806ce197d3910 |
| قاعدة البيانات: | Directory of Open Access Journals |
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Full Text Finder | تدمد: | 21663831 |
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| DOI: | 10.1080/21663831.2016.1269026 |