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Effect of Heat Treatment on Microstructure and Mechanical Properties of HB400 Grade High Strength Abrasion Resistant Steel 被引量:6

Effect of Heat Treatment on Microstructure and Mechanical Properties of HB400 Grade High Strength Abrasion Resistant Steel
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摘要 High strength abrasion resistant steel plates are widely used in mining,construction and agricultural machineries.The plates are,however,usually poor in impact toughness.An attempt is made to improve the impact toughness of HB400 grade abrasion resistant steel by controlling quenching and tempering of the plates.Optimized combination of the strength and the toughness has been achieved by choosing best fit set of quenching and tempering condition.Mechanism underlying the achievement has been investigated in terms of the microstructure consisting of tempered lath martensite,retained austenite and precipitated carbides. High strength abrasion resistant steel plates are widely used in mining,construction and agricultural machineries.The plates are,however,usually poor in impact toughness.An attempt is made to improve the impact toughness of HB400 grade abrasion resistant steel by controlling quenching and tempering of the plates.Optimized combination of the strength and the toughness has been achieved by choosing best fit set of quenching and tempering condition.Mechanism underlying the achievement has been investigated in terms of the microstructure consisting of tempered lath martensite,retained austenite and precipitated carbides.
出处 《Journal of Iron and Steel Research International》 SCIE CAS CSCD 2011年第S1期637-640,共4页
关键词 abrasion resistant steel heat treatment lath martensite tempered martensite HARDNESS abrasion resistant steel heat treatment lath martensite tempered martensite hardness
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参考文献6

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二级参考文献11

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