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冷轧板形目标曲线设定模型的研究与应用王鹏飞1,张殿华1,刘佳伟1,王军生2,俞小峰2(1.辽宁省沈阳市东北大学轧制技术及连轧自动化国家重点实验室2.鞍钢股份有限公司,辽宁鞍山 114001)摘 要:为了提高冷轧带钢的板形质量,在1250单机架6辊可逆冷轧机的板形控制系统改造中,根据带材失稳模型判据制订了基本板形目标曲线模型.为了消除了生产中温度,卷形和设备安装误差等对板形测量的不利影响,根据设备运行情况以及轧制工艺制订了一系列补偿曲线.设定了手动调节板形的附加曲线,提高了实际生产中板形控制的灵活性.板形目标曲线......
A New Thermodynamic Calculation Method for Binary Alloys Part II: Exploring the Correction Factor FunctionXingqiu CHEN, Hailan LI and Xueyong DINGMaterials and Metallurgy School, Northeastern...;A new method of revising activity values has been derived based on the so called correction factor function for binary alloys with a large difference between two components. The correction factor......
and electric mobility of oleate species, then the flotation recovery of fine wolframite and the adsorption amount of sodium oleate are observed to increase with the rise in pulp temperature. The results... that the adsorption amounts of oleate and octyl hydroxamate on hematite surfaces increased with the rise in temperature, and the interaction mechanism from physisorption to chemisorption occurred at elevated......
Transactions A, 2008, 39: 1822-1830. [16] LEWANDOWSKI J J, GREER A L. Temperature rise at shear bands in metallic glasses[J]. Nature Materials, 2006, 5: 15-18. [17] ZHAO S F, CHEN N, GONG P, YAO K F... and serrated plastic flow mechanism in bulk amorphous alloys[J]. Acta Metallurgica Sinica, 2005, 41(2): 196-198. Temperature rise in shear bands and fracture temperature rise of ZrTiNiCuBe bulk......
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): 1244-1250. XIONG Lixin, LUO Zhouquan, TAN Langlang, et al. Impact factors analysis and error correction of laser scanning for goaf[J]. Journal of Central South University(Science and Technology), 2014.... XU Shuai, HOU Pengyuan, LIANG Ruiyu, et al. Error analysis and correction of 3D laser detection data for high-humidity and dusty goafs[J]. Journal of Northeastern University(Natural Science), 2019......
Temperature stability of magnetic field for periodic permanent-magnet focusing systemLi Li,Jian-Ya Chen,Yun-Jie LiuBeijing Key Laboratory of Network System Architecture and Convergence, Beijing University of Posts and Telecommunications摘 要:In this study, finite element analysis based on an Ansoft Maxwell software was used to reveal the temperature......
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in the deformation zone in front of the die orifice. In the case of the conventional iso-speed extrusion, the exit temperature increases continuously till the end of the cycle with a temperature rise... and conventional iso-speed extrusion reaching a temperature difference of 10 ℃ at the end of the extrusion cycle. Obviously, in the isothermal extrusion mode, the extent of die temperature rise over......
are recalculated until the total time is consumed. Summing the temperature distribution leads to rise in the total temperature distribution. The present calculated maximum temperature in adiabatic shear band...℃, maximum temperature reaches over 850℃[14]. Measured results show that shear bands in two kinds of steels are relatively wide, that the maximum temperature rise in the band is about 450......