Fracture Analysis of 50CrVA Steel Spring
The fracture of 50CrVA steel spring was analyzed by means of composition analysis, metallographic structure observation, hardness tester and scanning electron microscope (SEM). The results show that the surface quality defects and lower tempering temperature led to coarser and larger grains, lowered elastic limit and yield strength, resulting in the corrosion fatigue and the failure and fracture of the steel spring ultimately.
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Document Type: Research Article
Publication date: June 1, 2014
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