第一节力腐蚀断裂 第二节氨脆

8.1绪言 8.2金属在对称循环应力下的疲劳八金属的

7.1前言 7.2裂纹的应力分析 7.3裂纹扩展力或裂纹扩展的能量释放率

1.2 Atomic bonding Bonding forces and energies FF net force attractive force repulsive force

2.5 Indices of crystal planes and directions I What's crystal planes anddirect ions? The atomic planes anddirections passing through the crystal arecalled(crystal) planes and directionsrespectively

2.3 Crystal Structure and Complex Lattice | Crystal structure is the real arrangement of atom in crystals Crystal structure Space lattice Basis or structure unit

Chapter 1 Atomic Structure and Bonding 1.1 Atomic structure Atomic numbers and atomic masses 1. Atomic Models

2-1对钢结构用材的要求—一重点 2-2钢材的主要性能及其鉴定 2-3影响钢材性能的因素一一难点

4-1稳定问题的一般特点、分类一一难点 4-2轴心受压构件的整体稳定性

4. Rule for elongation or reduction of R D All R.D. in the region where K1 and K2 makes an obtuse(acute) angle will increase (reduce) its length after twinning