NiTi-NbTi原位复合材料的Lüders带型变形和载荷转移行为

姜江, 郝世杰, 姜大强, 郭方敏, 任洋, 崔立山

Lüders-Like Deformation and Stress Transfer Behavior in an In Situ NiTi-NbTi Composite

JIANG Jiang, HAO Shijie, JIANG Daqiang, GUO Fangmin, REN Yang, CUI Lishan

图5 复合材料中NbTi相、B2母相(用P表示)以及马氏体相(Ⅱ、Ⅲ区相变形成的马氏体分别用M1、M2表示)的弹性晶格应变(d-spacing strain)随宏观加载应变的演变曲线。

Fig.5 Evolution of the d-spacing strain for NbTi(110), B2-NiTi(110) and B19'-NiTi(001) planes perpendicular to the loading direction during the tensile process, which can be regarded as elastic strain versus total strain (elastic + plastic strain) relation of the embedded NbTi phase and NiTi phase (“M1” and “M2” represent the B19'-NiTi martensite phases generated in regions Ⅱ and Ⅲ, respectively)