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Microstructure evolution and mechanical properties of1 000 MPa cold rolled dual-phase steel ZHAO Zheng-zhi(赵征志), JIN Guang-can(金光灿), NIU Feng(牛 枫), TANG Di(唐 荻), ZHAO Ai-min(赵爱民) Engineering...; Abstract: The microstructure evolution of 1 000 MPa cold rolled dual-phase (DP......
Annealing behavior of rolled AZ31 alloy sheet PENG Wei-ping(彭伟平), LI Pei-jie(李培杰), ZENG Pan(曾 攀) Key Laboratory for Advanced Manufacturing by Materials Processing Technology, Tsinghua... alloys are: YS=118 MPa, UTS=129 MPa, and the El=30.1%. Compared with the as-rolled AZ31 alloy sheet, the mechanical properties in the annealed states are restored to a certain extent. The ultimate......
for a multidirectionally cold rolled α-Ti alloy (TA7) sheet by the appli-cation of this software.It is shown that the rolling planes of most grains in the sheet tend to be parallel to (0001) with a deviationto...Crystallite Orientation Analysis for a Multidirectionally Cold Rolled α-Ti Alloy (TA7) Thin SheetZuo Liang Liang Zhide Xu Jiazhen Zhao Xiang Department of Materials Science and Engineering,Northeast......
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Cold stamping for AZ31B magnesium alloy sheet of cell phone house HUANG Guang-sheng(黄光胜)1, 2, ZHANG Lei(张 雷)1, 2, SONG Bo(宋 波)1, 2, PAN Fu-sheng(潘复生)1, 2 1. National Engineering Research Center... underwent RUB process. It provides an alternative to the electronics industry in the application of magnesium alloys. Key words: magnesium alloy sheet; repeated unidirectional bending; cold stamping......
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inclusions in the cold rolled sheet, as shown in Fig.2. However, amount of the inclusions in the steels is very small and their size is also rather small. This indicates that the steel is very clean and can... Effect of annealing parameter on microstructure and magnetic properties of cold rolled non-oriented electrical steel LI Min(李 敏)1, XIAO Yu-de(肖于德)1, WANG Wei(王 伟)1, ZHOU Juan(周 ......
Ti-IF钢冷轧缺陷的形成分析吴维双1,刘建华1,王敏1,崔衡1,包燕平1(1.北京市北京科技大学 冶金与生态工程学院)摘 要:对某钢厂生产的Ti-IF钢冷轧板的表面缺陷进行研究,利用扫描电镜和能谱仪分析其缺陷部位微观形貌及夹杂物成分,在缺陷部位发现大量氧化铝,硅铝酸盐,氧化硅,镁铝尖晶石夹杂物.此外,对夹杂物含量较高的头坯试样进行轧制模拟试验,分析结果进一步证实了由于各类夹杂物的存在导致Ti-IF钢冷轧板的表面缺陷.关键词:Ti-IF钢; 冷轧板缺陷; 夹杂物; 轧制模拟; 孔洞; 起皮; 凹痕......
reduction of 30% in thickness every pass. Crystallographic textures of as-extruded plate and as-rolled sheet and as-annealed rolled sheet were measured by X-ray diffraction. The microstructures... were tested after being annealed at 400 ℃ for 1 h. 3 Results and discussion The appearances of the initial plate and the as-rolled sheet are given in Fig.1. A typical surface of rolled sheet......
电沉积铬毛化工艺及影响参数的研究谭勇1,2,于晓中1,刘常升2,孙杰3(1.辽宁省沈阳市东北大学材料与冶金学院金属防护技术中心2.辽宁省沈阳市沈阳理工大学环境与化学工程学院3.沈阳理工大学 环境与化工学院,辽宁沈阳 110168)摘 要:常规的轧辊毛化工艺生产的毛化辊由于粗糙度衰减过快,使用寿命低,毛化冷轧辊表面形貌中凹坑多于凸起,不利于带钢对其表面粗糙度的复制.为了提高毛化冷轧辊的使用寿命,设计了一种在IF钢表面电沉积铬毛化的工艺:以脉冲电源为试验电源,以铬镀层的表面粗糙度Ra及硬度为考察对象,采用直流脉冲进......