The possible reasons for the fracture of graphite rods during use may include:
1.Stress Concentration: When external loads are applied unevenly on the graphite rod or if there are defects such as cracks, stress can concentrate in localized areas, leading to fracture.
2.Material Defects: Graphite rod manufacturing processes may introduce material defects such as bubbles, inclusions, or foreign objects. These defects can weaken the graphite rod and make it prone to fracture under stress.
3.Overloading: Exceeding the load-bearing capacity of the graphite rod due to insufficient design, incorrect usage, or improper operation can lead to fracture.
4.Temperature Variations: Although graphite has good thermal conductivity and stability, extreme temperature changes can induce thermal stress, resulting in fracture, especially during rapid cooling or heating.
5.Wear and Fatigue: Prolonged use or frequent loading can cause surface wear and fatigue damage to the graphite rod, gradually reducing its strength and eventually leading to fracture.
6.Chemical Corrosion: Certain chemicals may corrode graphite, compromising its structure and leading to fracture.
7.Improper Handling: Incorrect transportation, storage, or handling methods can damage the graphite rod, affecting its strength and stability, and ultimately leading to fracture.
To prevent the fracture of graphite rods, it is crucial to implement appropriate design, manufacturing, usage, and maintenance measures to ensure that the rods are subjected to suitable loads and environmental conditions. Regular inspection and maintenance are also essential to prevent fracture and ensure the safe operation of graphite rods.