【摘要】 分析微合金高强度钢的强化机理和强化效果,分析市场及生产现状,在充分保证产品热轧性能的前提下,进行钢中微合金含量的优化,以降低低合金高强度钢板的生产成本,取得良好效果。V-N合金中的V在钢中起析出强化、晶粒细化强化和固溶强化的作用,能够显著提高钢材的强度。该厂微合金钢中每升高0.01%的[V],屈服强度能够提高8.78MPa,抗拉强度能够提高7.42MPa。更多还原

【Abstract】 The paper analyses the strengthening mechanics,strengthening effect,market and production status.Unden the precondition of assuring the hot rolling performance,microalloy content has been optimized to reduce cost.vanadium in steel can increase strength of steel by precipitation strength and grain refining and solution strength.Yield strength will increase 8.78 MPa and tensile strength 7.42MPa when vanadium in steel increase 0.01%.更多还原