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Microstructure and properties of hot stamping 22MnB5 steel
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Microstructure and properties of 22MnB5 steel after hot stamping were studied by means of mechanical property test and microstructure analysis through SEM and TEM.The results show that the microstructure of lath martensite with high-density dislocations is obtained for the steel after hot stamping,and its mechanical properties of the steel are significantly increased.Deformation help …
Published in: Transactions of Materials and Heat Treatment · 2012Authors: Zhang MilanAbout: Hot stamping
Microstructure and mechanical properties of Q125 grade
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A type of Q125 grade high-strength low-alloy oil well casing steel was designed and the effects of heat treatment processes on its microstructure and properties were investigated.Compared with the process of quenching at 870 ℃ and tempering at 500 ℃,the steel quenched at 850 ℃ and tempered at 500 ℃ has preferable combination of strength and toughness.In comparison with quenching at 870
Published in: Journal of University of Science and Technology Beijing · 2012Authors: M A MaoyuanAffiliation: University of Science and Technology BeijingAbout: Precipitation · Austenite