WU An-shu
Abstract
The failure of the rail was analysed by optical microscope and microhardness testing method. The result shows that it is mainly caused by the martensite with high hardness produced after rail absorbing frictional heat.
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The failure of the rail was analysed by optical microscope and microhardness testing method. The result shows that it is mainly caused by the martensite with high hardness produced after rail absorbing frictional heat.
Key concepts: Indentation hardness, Martensite, Materials science, Optical microscope, Fracture (geology), Microscope, Metallurgy, Composite material