Liu Ze
Abstract
The fracture of brake drum bolt for fixed position was analyzed by means of metallographic examination, hardness testing and chemical composition analysis. The results showed that heat treatment defect and stress concentration caused by manufacture were the main causes of bolt fracture.
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The fracture of brake drum bolt for fixed position was analyzed by means of metallographic examination, hardness testing and chemical composition analysis. The results showed that heat treatment defect and stress concentration caused by manufacture were the main causes of bolt fracture.
Key concepts: Fracture (geology), Brake, Drum, Materials science, Metallurgy, Composite material, Chemical composition, Stress (linguistics)