考虑由扩张矩阵A=[po1q]及数字集D=[ij]0≤i≤|q|-1,0≤j≤ |q|-1]生成的自仿射tiles集T=T(A,D),其中p,q∈Z,|p|≥2,|q|≥2,通过对......

In order to study the subboundaries evolution in superplastically deformed NiAl, the positron lifetime change during sup......