%0 Journal Article
%T SOFTENING MECHANISM OF BORON-BEARING LOW-CARBON HOT STRIPS PRODUCED BY TSCR ROUTE<br>Softening Mechanism of Boron—Bearing Low--Carbon Hot Strips Produced by TSCR Route
%A QIU Shengtao
%A XIAO Lijun
%A LIU Jiaqi
%A GAN Yong
%A <br>仇圣桃
%A 肖丽俊
%A 刘家琪
%A 干 勇
%J 金属学报
%D 2006
%I 
%X 通过薄板坯连铸连轧(TSCR)生产典型低碳铝镇静钢SPHC(一般用热轧钢带)流程的实验室模拟,分析了含(10- 50)×10-6 B,0．005％N热轧钢带的组织、析出物的特点以及性能变化．结果表明:由于粗大BN的优先析出抑制了细小AIN的析出,提高了晶粒的生长能力,以及B在奥氏体晶界的偏聚抑制了铁素体形核,使得含B热轧钢带晶粒明显粗化,通过测定,含B钢晶粒度达到7-8级,平均晶粒尺寸达到25μm．含B钢晶粒粗化以及钢中AlN析出量和自由N含量的降低,使得热轧钢带屈服强度与无B钢相比降低约94 MPa．
%K boron micro-alloying
%K thin slab casting and rolling
%K mechanical property
%K precipitation<br>硼微合金化
%K 薄板坯连铸连轧
%K 力学性能
%K 析出
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=AB188D3B70B071C57EB64E395D864ECE&jid=B061E1135F1CBDEE96CD96C109FEAD65&aid=359CB3EE4B21352E&yid=37904DC365DD7266&vid=ECE8E54D6034F642&iid=708DD6B15D2464E8&sid=C80CAAD049B5B990&eid=379827DA4720AA2A&journal_id=0412-1961&journal_name=金属学报&referenced_num=1&reference_num=9