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Research on fracture toughness of 30A steel Shenzhen Su's heat treatment

Editor：    Date：2014-08-27 15:31:02    Views：6149

1:30A steel after quenching, tempering after normalizing compared with state, not only the anti crack ability, and ability to resist crack propagation is.
2: the fracture toughness at high strain rate of 30A steel under different loading rate decreased;, with decreasing temperature, decreased ability of a material to resist fracture.
3: the bearing component, the fracture toughness under dynamic load is more reasonable safety design.

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