fracture appearance造句

• Cross section morphology analysis showed that the fracture appearance of tungsten carbide particle reinforced steel matrix composites was a mixture of quasi - cleavage fracture and toughness fracture . the fracture appearance of tungsten carbide particle always displayed as quasi - cleavage fracture , while the cross section morphology of steel matrix transformed with the heat treatment techniques
  断口形貌分析显示， wc钢复合材料的断口形貌呈韧-脆复合断口特征，硬脆的wc颗粒常发生脆性解理断裂，而韧性较高的钢基体的断口形貌则因热处理工艺而异。