90A0015 Influence of Grain Size and OrderingDegree of Parent Phase on Shape Memory Effect ina CuZnAl Alloy Containing B Influence of thegrain size and ordering
1.IntroductionIn previous papers[1,2],it has beenpointed out that the study of the phase dia-gram for the system Nb<sub>2</sub>O<sub>5</sub>—MnO—SiO<sub>2</su