کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10634246 | 993443 | 2005 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Electron-phonon coupling mechanism of premartensitic transformation in Ni2MnGa alloy
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Electron-phonon coupling mechanism of premartensitic transformation in Ni2MnGa alloy Electron-phonon coupling mechanism of premartensitic transformation in Ni2MnGa alloy](/preview/png/10634246.png)
چکیده انگلیسی
The driving force of premartensitic transformation (PT) based on the electron-transverse acoustic (TA) phonon interaction Hamiltonian was first calculated. The driving force of Ni2MnGa alloy is about 172.2Â meV, larger than that of NiTi-Fe or Ni-Al alloy. The nucleation rate of PT has also been investigated in the interaction system. Considering the electron-phonon interaction and the condensation of TA phonon, double sine-Gordon equation of atomic phase angle has been proposed to study the nonlinear characteristics of PT and the electron-TA phonon coupling mechanism may be taken as its main mechanism.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Scripta Materialia - Volume 52, Issue 2, January 2005, Pages 123-127
Journal: Scripta Materialia - Volume 52, Issue 2, January 2005, Pages 123-127
نویسندگان
J.F. Wan, X.L. Lei, S.P. Chen, T.Y. Hsu,