The effect of microalloy element on the microstructure and mechanical properties of highspeed wheel steel was studied.
研究了微量铬对高速车轮钢组织和性能的影响。
This paper carries out controlled rolling and controlled cooling test by means of adding microalloy element V to Q345D steel.
本文通过对Q 3 4 5d钢加入微量合金元素V并进行控轧控冷试验。
Microalloy element V should be avoided adding , although it improves the strength at elevated tempering temperature , but reduces the ductility .
微量V可提高高温回火后的强度，但降低塑性，应避免加入。
Microalloy element V should be avoided adding , although it improves the strength at elevated tempering temperature , but reduces the ductility .
微量V可提高高温回火后的强度，但降低塑性，应避免加入。
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