The effects of Si on the martensitic transformation and magnetic transition of Co41Ni32Al27-x:Six alloys were investigated by optical micrography, DSC and VSM methods. The structure type of martensitic phase was determined by X-ray diffraction.

• 利用金相显微组织分析技术、示差扫描量热法(DSC)和振动磁力计(VSM)；考察了Co41Ni32Al27-xSix合金中Si元素含量x对马氏体相变和铁磁性转变的影响；用X射线衍射方法分析马氏体相的结构类型.