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cost, the production process and traditional transportation style of iron and steel works were introduced. The internal transport tasks of iron and steel works were grouped based on cluster analysis... transportation efficiency and high logistics cost, which seriously affect the production scheduling and process of large-scale iron and steel works [1]. Domestic and foreign scholars gained great......
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Improvement of Lagrangian relaxation performance for open pit mines constrained long-term production scheduling problemE. Moosavi1, J. Gholamnejad2, M. Ataee-pour3, E. Khorram4(1. Department... of Technology, Tehran 15916-34311, Iran)Abstract:Constrained long-term production scheduling problem (CLTPSP) of open pit mines has been extensively studied in the past few decades due to its wide application......
HMPT-BOF-RH-CSP process for SPHE substrate of cold rolled deep drawing steelWU Guang-liang(吴光亮), MENG Zheng-bing(孟征兵), ZHOU Chao-yang(周超洋), LIU Xin-bin(刘新彬), HUANG Tao(黄涛)(School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:Based on hot metal pretreatment (HMPT)-basic oxygen furnace (BOF)-Rheinstahl heraeus (RH)-compact strip production......
model; multivariate time series; rough sets 1 Introduction Time series data are pervasive in complex process industries such as metallurgy, power, steel, and petrochemical engineering. Therefore.... The developed method is applied to reconstructing and predicting the time series of returned material in blending process of alumina production. 2 Original reconstruction of multivariate time series......
composite automotive bumper beam using analytical hierarchy process A. HAMBALI1, S. M. SAPUAN1, N. ISMAIL1, Y. NUKMAN2 1. Department of Mechanical and Manufacturing Engineering, Universiti Putra... in the product development process. Inappropriate decision of materials can cause the product to be reproduced or remanufactured. To avoid this circumstance, one of the useful tools that can be employed......
传统流程冷轧低碳铝镇静钢深冲性能分析赵新凯1,刘江伟1,刘西峰1,鞠伟1(1.河北省唐山市唐山建龙实业有限公司)摘 要:低碳铝镇静钢的生产工艺可分为传统流程和微合金化薄板坯连铸连轧流程,采用金相,SEM,EDS,织构等分析手段研究了传统流程低碳铝镇静钢显微组织,晶粒度,游离渗碳体和晶体织构方面对其深冲性能的影响,并对冷轧薄板冲压开裂进行了分析.实践表明:传统流程生产低碳铝镇静钢过程中通过合理控制游离渗碳体形态,铁素体晶粒和AlN第二相粒子3个关键因素,可获得有利的织构,使冲压性能满足DC04的要求,达到微碳深冲......
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CSP工艺钛微合金钢中的碳氮化钛析出相娄艳芝1,柳得橹2,毛新平3,柏明卓4(1.北京市北京航空材料研究所2.北京科技大学 材料科学与工程学院,北京 1000833.广州珠江钢铁有限责任公司,广东广州 5107304.宝钢股份研究院,上海 201901)摘 要:应用TEM,HREM,X射线衍射等方法分析了薄板坯连铸连轧EAF-CSP工艺生产的钛微合金钢热轧板的含钛析出相,钢的化学成分(质量分数,%)为:C 0.04~0.07,S......
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