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Search: authors:"Yu-guang Zhao"

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A new preparation technology of structural-gradient materials without a brittle transition zone in a Mn-Si-Cr-B bainitic cast steel

In the present work, a unique gradient cooling heat treatment process (GCHT) for a Mn-Si-Cr-B bainitic cast steel was developed, and microstructure and mechanical properties were examined by OM, SEM, EBSD and a uniaxial tensile test. The results showed that the structural-gradient-material (SGM) with a gradient microstructure from granular bainite to martensite was successfully...