搜索结果: 1-15 共查到“工学 extrusion”相关记录26条 . 查询时间(0.053 秒)
重庆理工大学材料科学与工程学院材料加工系材料成形技术基础双语辅助课件课件第五章 Extrusion and Drawing of Metals
重庆理工大学 材料科学与工程学院 材料加工系材料成形技术基础 双语辅助课件 课件 第五章 Extrusion and Drawing of Metals
2017/2/21
重庆理工大学材料科学与工程学院材料加工系材料成形技术基础双语辅助课件课件第五章 Extrusion and Drawing of Metals。
Effect of extrusion treatment on the thermal stability and structure of corn starch with different emulsifiers
crystallinity modified starches extrudate complexes
2015/10/9
Corn starch was treated with raw moisture (30%), screw speed (160 rpm), extrusion temperature (30, 55, 80, 105, 130, and 155°C), and emulsifier (1.2%) to produce the starch extrudate particles in a tw...
重庆理工大学材料科学与工程学院材料加工系材料成形技术基础课件第五章 Extrusion and Drawing of Metals
重庆理工大学材料科学与工程学院 材料加工系材料成形技术基础 课件 第五章 Extrusion and Drawing of Metals
2013/8/16
重庆理工大学材料科学与工程学院材料加工系材料成形技术基础课件第五章 Extrusion and Drawing of Metals。
挤压膨化参数对玉米秸秆纤维成分含量的影响（Influence of Extrusion System Parameters on Fiber Content of Maize Straw）
玉米秸秆 挤压膨化 纤维素 酒精
2010/12/29
针对秸秆纤维制取酒精过程中纤维利用率低问题，利用小型单螺杆秸秆挤压机，采用五因素五水平正交旋转组合试验方法，研究了挤压膨化系统参数：模孔环隙B、螺杆末端至模板内表面的距离δ、套筒温度Τ、螺杆转速N和物料含水率W，对玉米秸秆纤维（纤维素、半纤维素和木质素）成分比例的影响规律，得出最优参数组合为：B=4mm、δ=5mm、T=120℃、N=90r/min、W=20%，纤维成分含量为：纤维素35.1...
Modelling of non-symmetrical side-extrusion in preparation of steering knuckle preform
Numerical modelling Extrusion Die-forging Steering knuckle
2010/1/11
The conventional forging of steering knuckle makes many problems such as: creation of material defects, high force of process, low charge yield. The aim of research was optimization of preform shape f...
Lateral extrusion of tailor welded aluminum alloy pipes with a lost core of low temperature melting alloy
Tube forming Tailored blank Lateral extrusion
2009/12/14
Purpose: In this paper, the authors employ tailor welded aluminum alloy pipes for lateral extrusion process with a lost core to perform a hollow light-weight-part.
Design/methodology/approach: The pi...
Application of powder injection moulding and extrusion process to manufacturing of Ni-YSZ anodes
Composites Powder metallurgy Sintering
2009/12/14
Purpose: Investigation of the Ni-YSZ cermets for anode supported solid oxide fuel cells (SOFC) prepared by extrusion or powder injection moulding process, sintered and reduced of NiO-YSZ.
Design/meth...
FEM study of extrusion complexity and dead metal zone
Cold extrusion Solid profiles Shape complexity
2009/12/3
Purpose: Quality of the extruded product and efficiency of the manufacturing process can be seriously affected by inconsistent metal flow through the extrusion die. Metal flow problems can also signif...
A quality problem in seam welds in aluminum extrusion
Metallic alloys Seam weld Aluminum Extrusion Porthole die
2009/12/1
Purpose: Seam welds occur during the hollow profile extrusion; the billet’s material is divided into separate
metal streams by the bridges of the die which support a mandrel, and then these metal str...
Properties of seam welds produced with different extrusion parameters
Mechanical properties Seam weld Extrusion Aluminum
2009/12/1
Purpose: This study focuses to investigate the effects of different extrusion parameters on microstructural
properties of seam (longitudinal) welds in aluminum extrusion profiles.
Design/methodolo...
Working steel P2-04BCH by equal channel angular extrusion (ECAE)
nanomaterials low-carbon steel ECAE deformation
2009/10/23
The article presents results of investigation of structure and properties of low-carbon steel grade P2-04BCH after application of ECAE at temperature of approx. 290 C. The ECAE method leads to signifi...
Direct and Indirect Extrusion of Sintered Preform at the End of Stroke
Sintered preform Upper bound approach Inter-facial friction Strain Rates Velocity Fields
2009/9/30
The paper reports a theoretical investigation into various aspects of cold forming through conical converging die at the end of stroke. At this stage of the process, there occur some phenomena that re...
挤压膨化后纤维降解对大豆水酶法提油率的影响（Effect of Cellulose Degradation on Soybean Oil Extraction Yield through Extrusion and Expansion Processing）
挤压 膨化 提油率 水酶法 纤维降解 响应面分析
2010/2/26
在单因素试验和挤压膨化机稳定工作基础上，采用响应曲面设计研究了挤压膨化工艺参数对水酶法提取大豆油脂得率与纤维降解率的影响。利用SAS软件建立了数学模型，并对各因素及交互作用进行了分析。结果表明：当模孔孔径为20mm、物料含水率为14.5%、螺杆转速为105r/min、套筒温度为90℃时，总油提取率最优值为93.02%±0.29%。当模孔孔径为18mm、物料含水率为15%、螺杆转速为100r/min...
Steam Reforming of Dimethyl Ether over Cu/ZnO/ZrO2 and γ-Al2O3 Mixed Catalyst Prepared by Extrusion
Dimethyl ether Steam reforming Hydrogen production Copper zinc catalyst
2009/8/4
Steam reforming of dimethyl ether, DME, over Cu/ZnO/ZrO2 and γ-Al2O3 mixed catalysts prepared by the extrusion technique was investigated. The catalysts were characterized by BET, pore-size distribut...
Effect of Extrusion on the Phenolic Composition and Antioxidant Activity of Dry Beans of Phaseolus vulgaris L.
bean Phaseolus vulgaris extrusion
2009/3/3
The phenolic composition of dry beans and extrudates was investigated to evaluate the effect of extrusion process on their antioxidant activity. Myricetin, quercetin, kaempferol, cyanidin, chlorogenic...