High-density tungsten alloy has better fatigue resistance. Under the action of repeated loading and unloading, tungsten alloy can resist the expansion of cracks and the occurrence of fatigue fracture, showing good fatigue life and stability.
The fatigue resistance of tungsten alloys is mainly attributed to its high strength and good plasticity. During cyclic loading, tungsten alloys can absorb a large amount of energy without breaking and release stress through plastic deformation, thus avoiding the occurrence of local stress concentration. In addition, tungsten alloy also has good thermal fatigue resistance and can maintain stable performance under repeated heating and cooling conditions.
However, it should be noted that the fatigue resistance of tungsten alloy is still affected by many factors, such as alloy composition, microstructure, heat treatment state, surface state, etc. Therefore, in practical applications, in order to give full play to the fatigue resistance properties of tungsten alloys, reasonable material selection and process design need to be carried out according to specific usage conditions and requirements.
In general, high-density tungsten alloy has good fatigue resistance and can meet various complex and harsh service conditions. In aerospace, weapons and equipment, chemical industry and other fields, tungsten alloy plays an important role as a key structural and functional material.
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