HUANG Wei-fua,HUANG Mo-jiab(a.School of Environmental Science and Engineering; b.Shchool of Architectural Engineering,Nanchang University,Nanchang 330029,China)
Abstract:A polycrystal is an aggregate of tiny crystallites separated by grain boundaries.The physical properties of the crystallites and the microstructures of the polycrystal,which include grain orientations and grain boundary structure,determine macroscopic pro