摘要
研究了工业生产的超细晶粒热轧钢板的强韧性。结果表明:用Q235普碳钢成分生产的超细晶粒热轧钢板的显微组织为铁素体和珠光体,铁素体晶粒尺寸为3～5μm,抗拉强度和屈服强度分别达到510MPa和400MPa以上,超细晶粒热轧钢板不仅具有较高的强度,而且具有较高的延伸率和韧性。
The strength and toughness of hot rolled strip with ultra-fine grain produced in industrial process were analyzed.The results show that the microstructure of hot rolled strip with ultra-fine grain is ferrite and pearlite.The ferrite grain size is about 3～5 μm.The tensile strength is over 510 MPa,and the yield strength is over 400 MPa.The hot rolled strip with ultra-fine grain is of high strength,high elongation and superior toughness.
出处
《钢铁钒钛》
CAS
北大核心
2004年第2期1-5,共5页
Iron Steel Vanadium Titanium
基金
国家973项目---"新一代钢铁材料重大基础研究"(G1998061502)。
关键词
超细晶粒钢
显微组织
强度
韧性
ultra-fine grain steel
microstructure
strength
toughness
