Alloy’s fracture mode changes with the prominence of tungsten cleavage and matrix intergranular rupture.
合金的断裂模式构成发生变化，为以W晶粒穿晶断裂与基体相的延性断裂为主的方式。
参考来源 - 添加钽对钨基高密度合金弹性模量的影响的研究The crack emerged at the defect of surface and internal of joint, and continuously extented under the effect of adscititious cyclic strain, the fracture mode of the welding line is ductile/brittle mixed fracture.
焊缝的整体疲劳断裂形式为韧性和脆性的混合型断裂。
参考来源 - 铝合金搅拌摩擦焊热影响区疲劳行为研究The experimental results studied that the initiation and propagation of crack tip can be divided into three periods. SEM results demonstrated that the main fracture mode of the material is the split between filler and matrix.
研究表明 ,在承载状态下 ,裂纹尖端损伤起始和扩展分为三个阶段 ,且裂纹起裂至快速扩展存在一个演变过程 ;结合SEM观察结果 ,判定该材料的断裂模式以颗粒与基材的界面分离为主。
参考来源 - 利用声发射技术监测颗粒填充聚合物材料的裂纹扩展过程·2,447,543篇论文数据，部分数据来源于NoteExpress
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