Program

P.4 -- Poster, NCTP-42

Date: Tuesday, 1 August 2017

Time: 16h00 - 17h30

Study on elastic deformation of substitution alloy AB with interstitial atom C and BCC structure under pressure

Nguyen Quang Hoc, Hoang Van Tich(1) and Nguyen Duc Hien(2)

(1)Hanoi National University of Education, 136 Xuan Thuy, Cau Giay, Hanoi (2) Mac Dinh Chi High School, Chu Pah District, Gia Lai Province

The analytic expressions of the free energy, the mean nearest neighbor distance between two atoms, the elastic moduli such as the Young modulus E, the bulk modulus K, the rigidity modulus G and the elastic constants C11, C12, C44 for substitution alloy AB with interstitial atom C and BCC structure under pressure are derived from the statistical moment method. The elastic deformations of main metal A, substitution alloy AB and interstitial alloy AC are special cases of elastic deformation for alloy ABC. The theoretical results are applied to alloy FeCrSi. The numerical results for alloy FeCrSi are compared with the numerical results for main metal Fe, substitution alloy FeCr, interstitial alloy FeSi and experiments.

Presenter: Hiền Đức Nguyễn