Internal friction behaviors of Ni-Mn-In magnetic shape memory alloy with two-step structural transformation
| Autor: | Jun Li, Yujin Huang, Jun-ge Wang, Tianfan Jin, Qiaodan Hu, Jianguo Li, Liang Yang, Zhenni Zhou |
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| Rok vydání: | 2017 |
| Předmět: |
Work (thermodynamics)
Materials science Alloy 02 engineering and technology engineering.material 01 natural sciences Martensite transformation Magnetic shape memory alloys 0103 physical sciences lcsh:TA401-492 Internal friction General Materials Science Ni-Mn-In 010306 general physics Dynamic mechanical analysis Condensed matter physics Metallurgy Shape-memory alloy 021001 nanoscience & nanotechnology Structural transformation Magnetic shape-memory alloy engineering lcsh:Materials of engineering and construction. Mechanics of materials 0210 nano-technology |
| Zdroj: | Progress in Natural Science: Materials International, Vol 27, Iss 3, Pp 356-361 (2017) |
| ISSN: | 1002-0071 |
| DOI: | 10.1016/j.pnsc.2017.04.012 |
| Popis: | The internal friction (IF) behaviors of dual-phase Ni 52 Mn 32 In 16 alloy with two-step structural transformation were investigated by dynamic mechanical analyzer. The IF peak for the martensite transformation (MT) is an asymmetric shoulder rather than those sharp peaks for other shape memory alloys. The intermartensitic transformation (IMT) peak has the maximum IF value. As the heating rate increases, the height of the IMT peak increases and its position is shifted to higher temperatures. In comparison with the IMT peak, the MT peak is independent on the heating rate. The starting temperatures of the IMT peak are strongly dependent on frequency, while the MT peak is weakly dependent. Meanwhile, the heights of both the MT and IMT peak rapidly decrease with increasing the frequency. This work also throws new light on their structural transformation mechanisms. |
| Databáze: | OpenAIRE |
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