First-principles investigation on ideal strength of B2 NiAl and NiTi alloys
Zhang Chun-Yao, Tian Fu-Yang, Ni Xiao-Dong
       

Configurations of tensile and shear deformations. Panels (a) and (b) are bct and fco paths along 〈001〉 crystal direction, (c) and (d) are those along 〈110〉 and 〈111〉 crystal directions, respectively. (e) and (f) The configurations for {110}〈111〉 and {211}〈111〉 shear deformations.