High temperature and pressure effects on the elastic properties of B2 intermetallics AgRE

• Autorzy: Lili Liu , Xiaozhi Wu , Weiguo Li , Rui Wang , Qing Liu
• Języki publikacji: EN

Abstrakty

EN

The high temperature and pressure effects on the elastic properties of the AgRE (RE=Sc, Tm, Er, Dy, Tb) intermetallic compounds with B2 structure have been performed from first principle calculations. For the temperature range 0-1000 K, the second order elastic constants for all the AgRE intermetallic compounds follow a normal behavior: they decrease with increasing temperature. The pressure dependence of the second order elastic constants has been investigated on the basis of the third order elastic constants. Temperature and pressure dependent elastic anisotropic parameters A have been calculated based on the temperature and pressure dependent elastic constants.

Słowa kluczowe

EN

rare-earth intermetallics; elastic properties; temperature; pressure; first principles calculation

• Czasopismo: Open Physics
• Rocznik: 2015
• Tom: 13
• Numer: 1

Daty

otrzymano

2014-11-26

zaakceptowano

2014-12-05

online

2015-02-02

Twórcy

autor

Lili Liu

• College of Physics and Institute
  for Structure and Function, Chongqing University, 401331, P.R.
  China

autor

Xiaozhi Wu

• College of Physics and Institute
  for Structure and Function, Chongqing University, 401331, P.R.
  China
• College of Materials Science and Engineering,
  Chongqing University, 400044, P.R. China

autor

Weiguo Li

• College of Aerospace Engineering, Chongqing University,
  400044, P.R. China

autor

Rui Wang

• College of Physics and Institute
  for Structure and Function, Chongqing University, 401331, P.R.
  China

autor

Qing Liu

• College of Physics and Institute
  for Structure and Function, Chongqing University, 401331, P.R.
  China

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Identyfikatory

DOI

10.1515/phys-2015-0019