材 料 的 类 型 Types of materials , metals , ceramics, polymers, composites, elastomer部 分 材 料 性 质 复 习 Review of selected properties of materials,电导率和电阻率 conductivity and resistivity,热导率 thermal conductivity,应力和应变 stress and strain,弹性应变 elastic strain,塑性应变 plastic strain,屈服强度 yield strength,最大抗拉强度 ultimate tensile strength,最大强度 ultimate strength,延展性 ductility,伸长率 elongation,断面收缩率 reduction of area,颈缩 necking,断裂强度 breaking strength,韧性 toughness,硬度 hardness,疲劳强度 fatigue strength,蜂窝 honeycomb,热脆性 heat shortness,晶胞中的原子数 atoms per cell,点阵 lattice, 阵点 lattice point,点阵参数 lattice parameter,密排六方 hexagonal close-packed,六方晶胞 hexagonal unit cell,体心立方 body—centered cubic,面心立方 face—centered cubic,弥勒指数 Miller indices,晶面 crystal plane,晶系 crystal system,晶向 crystal direction,相变机理 Phase transformation mechanism:成核