Microstructure and Mechanical Properties of Sub-rapidly Solidified Fe-Mn Based Alloy Strip

来源 :第十届中国钢铁年会暨第六届宝钢学术年会 | 被引量 : 0次 | 上传用户:sb871697914
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  The purpose of this paper was to investigate the microstructure and the mechanical properties of Fe-Mn binary alloys and Fe-Mn-C ternary alloys prepared by using sub-rapid solidification technique.The results demonstrated that the ε-martensite and α-martensite would be directly formed in the sub-rapidly solidified Fe-Mn and Fe-Mn-C samples.And the lath width of ε-martensite and α-martensite was lower than that of sample produced by conventional method.The mechanical properties of Fe–Mn and Fe-Mn-C samples prepared by sub–rapidly solidification were even higher than those by hot rolled and heat treated.This work discusses the relationship between the microstructure and the mechanical properties of the strips.
其他文献
Stainless steel plant(SSP)dust is a hazardous by-product of the stainless steelmaking industry.It contains large amounts of Fe,Ni and Cr,and can be potentially used as inorganic black pigment in the c
加钛护炉是一种常用的高炉护炉手段,目前护炉料来源主要有两种:一种是含钛球团,另一种是含钛块矿。本文对一种澳洲含钛精矿粉毅星精粉进行了实验室研究,包括化学成分全分析、烧结基础特性检测、扫描电镜分析、X衍射物相分析、成球性检测、烧结杯试验等。该矿粉粒度偏细(<200目超过65%),钛含量高(TiO2含量3.69%),并且在受热后易产生刺激性气味。研究发现,毅星精粉中的主要矿物为磁铁矿(Fe3O4)和氧
本文通过调整热轧卷取温度制备了三卷不同热轧态组织的42CrMo钢,采用相同的工艺对三卷试验钢进行球化退火,研究了不同热轧态组织对合金结构钢42CrMo球化率的影响。结果表明:(1)卷取温度从720℃下降到580℃,42CrMo钢热轧态组织依次为珠光体、伪珠光体、贝氏体组织,同时钢中先析出铁素体的量逐步减少。(2)原始组织越接近平衡态,球状碳化物越难以形成。
Based on a series of related investigation,a mechanism for the formation of longitudinal surface cracks on continuous casting slab of high carbon steel has been studied.The high-temperature tensile te
By means of pressureless sintering process,the zirconia ceramic materials were prepared using calcia partially stabilized zirconia and monoclinic zirconia as raw materials,Y2O3 and CeO2 powder as comp
为了验证秘鲁氧化块矿对高炉实际冶炼生产的影响,首先在实验室对其理化性能和冶金性能进行了测试,之后进行了为期一个月的工业入炉实验。实验室理化性能和冶金性能检测结果表明:秘鲁氧化块矿铁品位比较低,所含有害元素较多;铁相多为磁铁矿,质地不致密、空隙较多,脉石含量多;低温还原性能和还原性一般,长期大量使用可能会对高炉透气性产生不利影响;热爆裂性能好,几乎不发生爆裂,明显优于其他入炉生矿;综合炉料熔滴性能检
介绍了六西格玛管理系统,探讨了钢铁产品质量检验重要性及现状,应用六西格玛管理方法对产品质量检验变差进行改革探索,按照定义-D、测量-M、分析-A、改进-I、控制-C五个阶段进行开展实施,大幅度地提升了质量检验的管理能力,提高了质检员的判定准确率,降低质量异议发生几率和失误后的经济风险,构建了具体特色的质量检验管控保障体系。
介绍了鞍钢11号高炉大修改造后有效容积2580m3的长寿命设计,采用西格里炭砖的高炉内衬砌筑技术。西格里炭砖砌筑工艺要求严格,施工关键点难于把握,砖缝为≤0.5mm,铁口区域为≤0.3mm,为了达到较高的高炉内衬砌筑质量,阐述了从砌筑材料由炉外到炉内运输设备布置,炉底找平层施工,炉底满铺炭砖下砖、砌筑及满铺炭砖铲平技术,陶瓷杯底砌筑,环炭砌筑技术,铁口区域砌筑,陶瓷杯壁砌筑,风口组合砖砌筑,以及施
铁水罐是钢铁企业铁钢界面的重要载体,它的运行效率与效果直接关系到铁钢单位的生产运行组织、关系到企业的成本.本文介绍了作者在少投入的情况下,综合应用多种信息化技术实现铁水罐信息集成的经验与所进行的尝试.本公司铁水罐系统原有的管理比较分散,大部分依靠纸质记录、部分信息有单个应用系统进行数据储存,由于没有整合各方面的信息,在日常铁水罐的运行管理中存在诸多问题.本文通过对现状的全面分析,梳理了需要整合的信
In cooling towers,the replacement of traditional single-speed fans with variable-frequency drive(VFD)fans or two-speed fans can achieve significant energy saving.However,concerns regarding frequent on