摘要
研究了0～0.89%Nb含量对淬火(1 000～1 200℃)-回火(200～650℃)CrSWMo2V2SiNb钢组织和力学性能的影响。结果表明,随着Nb含量提高,钢的铸态组织和共晶碳化物形态得以改善,难熔铌的碳化物增多,明显抑制了淬火奥氏体晶粒长大;加铌可相应提高淬火温度,增加钢的二次硬化能力和耐磨性,使钢具有较高综合机械性能。
Influence of 0 - 0. 89% Nb content on structure and mechanical properties of quenched （ 1 000 - 1 200℃ ） - tempered （200 - 650 ℃ ） steel CrSWMo2V2SiNb has been studied, Results showed that with increasing Nb content the as-cast structure and eutectic carbide morphology improved, the amount of refractory carbides increased remarkably to restrain the growth of austenite grain ; and the quenching temperature of steel could appropriately increased by adding Nb to increase secondary hardening ability and wear resistance and get higher integrated mechanical properties of steel.
出处
《特殊钢》
北大核心
2008年第6期55-57,共3页
Special Steel
