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介绍了世界各国薄板坯连铸轧技术的发展情况,并以美国纽柯公司的“CSP”工艺和意大利阿尔维迪公司的“ISP”工艺为例,介绍了薄板坯连铸轧生产线的设备组成,工艺布置及该生产线的优点,带钢直接浇铸技术,目前尚处于试验阶段,文中介绍了世界各国的试验研究现状及各国大多采用的双式薄;连铸机的技术特点,最后简述了我国的现状。 相似文献
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通过对薄板坯连铸连轧工艺的分析,提出该工艺所生产的产品具有极强的市场竞争力,指出了在产品生产过程中需要重点注意解决的问题。 相似文献
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薄板坯连铸连轧生产线工艺技术及应用 总被引:1,自引:0,他引:1
简单介绍了薄板坯连铸连轧技术特点、产品范围及工艺优劣势;还阐述了与传统热轧工艺相比,该薄板坯连铸连轧生产线生产(超)薄带钢、(超)低碳钢的优势以及相关产品质量保证的特点. 相似文献
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薄板坯连铸连轧流程低碳铝镇静钢组织细化的原因 总被引:2,自引:0,他引:2
薄板坯连铸连轧流程生产的低碳Al镇静钢普遍存在组织偏细,强度偏高的现象,这为高强度带钢生产提供了有利条件,但也为冷轧基料生产带来了一定的困难。国内外已对薄板坯连铸连轧流程生产的低碳Al镇静钢组织细化原因进行了大量的分析和研究,得到了一些认识。本研究表明,薄板坯连铸出坯后已有AIN沉淀析出,经均热后仍有约0.0030%的AIN未溶解。这些AIN微细沉淀对抑制奥氏体再结晶晶粒长大、抑制相变铁素体晶粒长大起到一定作用,使钢带组织细化;另外,薄板坯连铸连轧流程轧后冷却段长度偏短,冷却强度偏高也是造成组织细化,强度偏高的主要原因。 相似文献
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The hot rolled strip of Fe-3Si steel was experimentally produced by thin slab casting and rolling (TSCR) process in the laboratory. The texture evolution rule was investigated during hot rolling and cold rolling. The texture distribution of cold rolled strips with four kinds of cold rolling reduction schedules was observed through X-ray diffraction method, and the orientation density variation of 1/16 layer, 1/8 layer, 1/4 layer, and 1/2 layer in thickness was analyzed. The cold rolled texture of steel A with four kinds of cold rolling reduction schedules was mainly composed of α and γ fibers. Cold rolling reduction ratio of 70% was more beneficial for obtaining more γ fibers. The γ fiber texture orientation density of {111}<011> and {111}<1 12> was the largest on the 1/8 layer and 1/4 layer and the least on the 1/16 layer and 1/2 layer for steel B. The texture orientation density of {001}-{223}<110> in the α fibers for steel C was increased, but the texture orientation density of {332}-{110}<110> was low. 相似文献
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Fe-3%Si steel strip was experimental produced by thin slab casting and rolling (TSCR) process in the laboratory. The microstructure and texture of hot rolled strip by different total reduction and rolling schedule was observed through EBSD technique and X-ray diffraction method. The changeable rule of texture density on the α、ε and γ, and fibers was analyzed. When the total reduction was increased from 82.9% to 97.1%,the gradient of microstructure and texture for A steel surface layer and center layer was found, {001}&;#8249;110&;#8250; texture had higher intensity, and {001}&;#8249;110&;#8250; texture was changed to 相似文献
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FTSR线铁素体轧制低碳钢板的组织性能分析 总被引:1,自引:0,他引:1
对FTSR线采用铁素体轧制工艺生产的3.0 mm低碳钢板进行了微观组织分析和力学性能测定.结果表明,FTSR薄板坯连铸连轧生产线可以实现用铁素体轧制工艺生产低碳钢板,运用此工艺生产的3.0 mm低碳钢板组织为不均匀的铁素体,平均晶粒尺寸约29μm,铁素体晶粒的边界存在少量片层间距约几十纳米的珠光体组织;钢板的屈服强度为215~240 MPa,抗拉强度为305~335 MPa,伸长率为33%~41%,比采用奥氏体轧制工艺生产的钢板强度低且延伸性好;室温下钢板的冷弯性能、成形性能及冲击韧性等都较为优良. 相似文献
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介绍了薄板坯连铸连轧工艺生产无取向硅钢和取向硅钢的工艺特征。重点比较了这一新工艺与传统工艺的不同点。指出了薄板坯连铸连轧工艺生产硅钢具有天然的优越性。 相似文献
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