EFFECT OF VANADIUM ON GRAIN REFINEMENT WITH LARGE DEFORMATION AT LOWER TEMPERATURE
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摘要: 研究了不同钒含量的低碳钢在大变形条件下轧制时的力学性能和铁素体晶粒尺寸,结果表明:轧制温度较高时,钒对晶粒细化没有影响,而轧制温度较低时,低碳钢中加入钒可以细化铁素体晶粒,提高材料的屈服强度和抗拉强度。Abstract: The mechanical properties and grain sizes of low carbon steel with different vanadium content were tested under large deformation. The results show that vanadium has no effect on grain refinement when rolled at higher temperature, but when rolled at lower temperature, vanadium can refine ferrite grain and enhance the yield strength and the tensile strength of low carbon steel.
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Key words:
- ultra-fine grain steel /
- vanadium /
- micro-alloy
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