1) unrecrystallization control rolling
未再结晶控轧
1.
Prerequisite to unchangeable chemistry composition of conventional atmospheric corrosion-resistant steel 09CuPTiRE and SPA-H,Two high strength ultra-fine grain atmospheric corrosion-resistant steel were produced in the 1700mm hot rolling mill by adopting the microalioying of Nb,unrecrystallization control rolling and Deformation Induced Ferrite Transformation (DIFT) rolling.
高强度超细组织耐大气腐蚀钢是在保持09CuPTiRE 和 SPA-H 两种常规耐大气腐蚀钢成分基本不变的前提下,采用 Nb 微合金化及未再结晶控轧和变形诱导铁素体相变轧制技术,通过本钢1700mm 机组工业化生产试制, 使两种钢的铁素体晶粒尺寸细化至3～5微米,09CuPTiRE 钢板的屈服强度由目前的295MPa 级提高到450MPa 级； SPA-H 钢板的屈服强度由345MPa 级提高到500MPa 级,同时钢板的韧性大幅度提高,具备良好的耐大气腐蚀、成形和焊接等性能,可广泛应用于铁道车辆、集装箱和桥梁等耐大气腐蚀构件的制造。
2) recrystallization controlled rolling
再结晶型控轧
1.
The testing of producing 10～18mm gauges plate with recrystallization controlled rolling and accelerating cooling technology was simply introduced.
介绍了利用再结晶型控轧及快速冷却工艺 (RCR +ACC)生产厚 10～ 18mmQ34 5B中厚板的试验研究概况。
3) non recrystallization
未再结晶
1.
The effect of strain rate, strain amount and cooling rate in non recrystallization region on the ferrite transformation behavior and mocrostructure were studied on a Gleeble 1500 thermo methanical simulator for the low carbon pipeline steel X52.
以管线钢X5 2为研究对象 ,在Gleeble 15 0 0热模拟机上 ,进行了奥氏体未再结晶区不同形变速度、形变量和冷却速度对X5 2的相变行为及显微组织影响的研究。
2.
The effect of the reduction and the cooling rate in non recrystallization anstenite region on ferrite transformation behavior and the microstructure were studied on the Gleeble 1?500 thermomethanical simulator for the pipeline steel X52.
以管线钢X5 2为研究对象 ,在Gleeble 15 0 0热模拟机上 ,主要进行了在奥氏体未再结晶区不同形变量和冷却速度对X5 2的相变行为及显微组织影响的研究·通过光学显微镜、扫描电镜分析技术可以发现 ,随形变量和冷却速度的增加 ,晶粒明显变细·实验结果表明 ,在奥氏体未再结晶区轧制可以大大地增加铁素体的形核位置 ,使晶粒细化 ;同时冷却速度的增大 ,使铁素体的形核驱动力加大 ,形核率增加 ,也使晶粒明显细化·另外 ,与低碳钢不同的是 ,在铁素体晶粒边界和铁素体晶粒内部可以观察到有第二相的析出 ,在奥氏体未再结晶区轧制时 ,第二相的析出可以抑制再结晶 ,并且 ,析出物的存在不仅阻碍位错的运动 ,而且会造成位错的增殖·因而微合金钢细化晶粒的机理主要有 :形变诱导铁素体、铁素体的动态再结晶和第二相的析出抑制晶粒长大使晶粒细
4) non-recrystallization
未再结晶
1.
The results show that at the stage of rough rolling,cast structure has become finer,dynamic recrystallization is adequate;non-recrystallization temperature will increase with the increase of Nb content.
结合某钢厂FTSR薄板坯连铸连轧生产线轧制X46含Nb钢的工艺参数,在Gleeble-2000热/力模拟实验机上模拟了粗轧阶段该钢的组织演变,并研究了Nb含量对未再结晶温度的影响。
2.
The effect of the rate of deformation and temperature of deformation in non-recrystallization region on ferrite transformation behavior and the microstructure were studied on the Gleeble 1500 thermomethanical simulator for the low carbon low alloy pipeline steel X52.
以管线钢X52为研究对象,在Gleeble1500热模拟机上,主要进行了在奥氏体未再结晶区不同变形速率和变形温度对X52的相变行为及显微组织影响的研究。
5) rolling recrystallization
轧制再结晶
6) non-recrystallization
未再结晶区
1.
128%Nb micro-alloyed low carbon steel in austenite non-recrystallization region during continuous cooling was studied.
128%的微合金低碳钢在奥氏体未再结晶区变形及连续冷却过程的相变,分析了变形温度、变形速率、变形量等热变形参数对相变的影响规律。
2.
The temperature of Ar3 is tested through thermal expansion on the Gleeble1500 thermal simulator in China Northeast university;By bi-pass test to confirm the range of Q235 steel non-recrystallization temperature;the simulation industry production has been made in JISCO'S 450 heavy mill stand,the mechanical performance of plate which thickness range between 12~20 mm can fully meet the .
在东大Gleeble1500热模拟实验机上,利用热膨胀法测出Ar3温度;通过双道次实验确定Q235B钢未再结晶区温度范围;在酒钢450中厚板实验轧机进行模拟工业试验,12~20 mm厚度规格完全满足GB/T1591-94中Q345C级钢板力学性能要求;观察分析钢板金相组织照片,并对强化机理进行讨论。
补充资料：二次再结晶(见再结晶晶粒长大)
二次再结晶(见再结晶晶粒长大)
secondary recrystallization
erCI 201」le」Ing二次再结晶(seeondary reerystallization) 见再结晶晶杠长大。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条