The research,production,and application of V-N microalloyed high strength rebars in China were reviewed.Enhanced nitrogen in vanadium-containing rebars promotes the precipitation of fine V(C,N)particles,and markedly...The research,production,and application of V-N microalloyed high strength rebars in China were reviewed.Enhanced nitrogen in vanadium-containing rebars promotes the precipitation of fine V(C,N)particles,and markedly improves the precipitation strengthening effectiveness of vanadium.Therefore,vanadium added to V-N microalloyed rebars can be reduced by 40% compared to the same strength level of vanadium-containing rebars.展开更多
文摘The research,production,and application of V-N microalloyed high strength rebars in China were reviewed.Enhanced nitrogen in vanadium-containing rebars promotes the precipitation of fine V(C,N)particles,and markedly improves the precipitation strengthening effectiveness of vanadium.Therefore,vanadium added to V-N microalloyed rebars can be reduced by 40% compared to the same strength level of vanadium-containing rebars.