退火温度对超深冲搪瓷钢成型性能及再结晶织构的影响  被引量:2

Influence of annealing temperature on formability and recrystallization texture of an extra-deep drawing steel for enameling

在线阅读下载全文

作  者:刘再旺 郭敏 滕华湘 杨利斌[4] 梁轩 刘广会 刘顺明[4] Liu Zaiwang;Guo Min;Teng Huaxiang;Yang Libin;Liang Xuan;Liu Guanghui;Liu Shunming(Shougang Research Institute of Technology,Beijing 100043,China;Beijing Key Laboratory of Green Recyclable Process for Iron&Steel Production Technology,Beijing 100043,China;Beijing Shougang Co.,Ltd.,Beijing 100043,China;Shougang Jingtang Iron and Steel United Co.,Ltd.,Tangshan Hebei 063200,China)

机构地区:[1]首钢集团有限公司技术研究院,北京100043 [2]绿色可循环钢铁流程北京市重点实验室,北京100043 [3]北京首钢股份有限公司,北京100043 [4]首钢京唐钢铁联合有限责任公司,河北唐山063200

出  处:《金属热处理》2024年第3期91-97,共7页Heat Treatment of Metals

基  金:河北省重大科技成果转化专项(22281001Z)。

摘  要:在不同温度下对超深冲搪瓷钢进行连续退火,通过拉伸试验机、X射线衍射仪、光学显微镜和透射电镜研究了退火后搪瓷钢的力学性能、再结晶织构、组织及第二相粒子。结果表明,试验钢退火后的再结晶织构主要分布在γ取向线上,织构类型主要为{111}<110>和{111}<112>,是钢板获得高r值的有益类型织构。随退火温度的升高,r值升高,归因于{111}<110>和{111}<112>织构的密度随退火温度的升高而增大,其中{111}<110>织构的密度增幅明显,{111}<112>织构的密度增幅很小甚至减小。{111}<110>织构的密度增幅明显,归因于TiC粒子粗化引起的对{111}<110>织构取向晶粒钉扎的减弱。TiC粒子的粗化是退火过程中{111}取向晶粒,尤其是{111}<110>取向晶粒充分发展的必要条件,是钢板获得优异成型性能的重要因素。同时,随着{111}织构密度的增加,钢板的强度降低,断后伸长率增加,成型性能越好。An extra-deep drawing steel for enameling was annealed at different temperatures using continuous annealing simulator.The mechanical properties,recrystallization texture,microstructure and second phase particles of the annealed steel were studied by tensile testing machine,X-ray diffractometer,optical microscope and transmission electron microscope(TEM).The results show that the recrystallization texture of the tested steel after annealing is mainly distributed inγorientation line,the texture types are mainly{111}<110>and{111}<112>,which contributes to high r value.With the increase of annealing temperature,the r value increases,which is attributed to the increase in density of the{111}<110>and{111}<112>textures with the increase of annealing temperature.Among them,the{111}<110>texture is increased significantly in density,while the density increment of{111}<112>texture is very small or even reduced,where the former significant increment is attributed to the weakening of grain pinning effect on{111}<110>texture orientation caused by TiC particle coarsening.The coarsening of TiC particles is a necessary condition for the full development of{111}<110>oriented grains during the annealing process,and is an important factor for the steel plates to achieve excellent formability.Meanwhile,as the{111}texture density increases,the strength of the steel plate decreases,the elongation after fracture increases,and the formability improves.

关 键 词:超深冲搪瓷钢 退火温度 再结晶织构 第二相 

分 类 号:TG142.1[一般工业技术—材料科学与工程] TG156.2[金属学及工艺—金属材料]

 

参考文献:

正在载入数据...

 

二级参考文献:

正在载入数据...

 

耦合文献:

正在载入数据...

 

引证文献:

正在载入数据...

 

二级引证文献:

正在载入数据...

 

同被引文献:

正在载入数据...

 

相关期刊文献:

正在载入数据...

相关的主题
相关的作者对象
相关的机构对象