Fracture analysis of the fan shaft was made by observing macroscopic and microscopic appearances of the crack,and examining micro hardness and chemical composition of the material.
英
美
- 通过观察断裂风机轴裂纹宏观和微观形貌,检验化学成分、显微硬度等方法对风机轴断裂的原因进行了分析。