Department of Materials Science and Engineering;
China University of Petroleum(Beijing);
Beijing 102249;
China;
Department of Physics;
City University of Hong Kong;
Hong Kong 999077;
China;
Centre for Neutron Scattering;
City University of Hong Kong;
Hong Kong 999077;
China;
Department of Mechanical Engineering;
The University of Western Australia;
Perth;
WA 6009;
Australia;
TiNiFe; Martensitic transformation; R phase reorientation; Synchrotron diffraction; Nanocrystalline material;