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Blending Process

The Experts below are selected from a list of 5433 Experts worldwide ranked by ideXlab platform

Laurent M Matuana – 1st expert on this subject based on the ideXlab platform

  • Nanoclay reinforced HDPE as a matrix for wood-plastic composites
    Composites Science and Technology, 2008
    Co-Authors: Omar Faruk, Laurent M Matuana

    Abstract:

    Abstract This study was aimed at identifying the best approach of incorporating nanoclay into wood-plastic composites (WPCs) to enhance their mechanical properties. Two different methods of introducing nanoclays into HDPE-based WPCs were examined. The first method involved the reinforcement of HDPE matrix with nanoclay, which was then used as a matrix in the manufacture of the wood-plastic composites (melt Blending Process). The second method consisted of a direct addition of nanoclay into HDPE/wood-flour composites during conventional dry compounding (direct dry Blending Process). The mechanical properties of injection molded WPCs were characterized using flexural, tensile, and dynamic mechanical analysis tests. In addition, the effect of five different types of nanoclays on the mechanical properties of HDPE was examined to identify the most effective nanoclay type for wood-plastic composites. The degree of nanoclay intercalation in HDPE-based nanocomposites was characterized by means of X-ray diffraction method and transmission electron microscopy. The melt Blending Process, in which nanoclay/HDPE nanocomposite was used as matrix, appeared to be the best approach of incorporating nanoclay in WPCs. The experimental results indicated that the mechanical properties of HDPE/wood-flour composites could be significantly improved with an appropriate combination of the coupling agent content and nanoclay type in the composites.

  • Nanoclay reinforced HDPE as a matrix for wood-plastic composites
    Composites Science and Technology, 2008
    Co-Authors: Omar Faruk, Laurent M Matuana

    Abstract:

    This study was aimed at identifying the best approach of incorporating nanoclay into wood-plastic composites (WPCs) to enhance their mechanical properties. Two different methods of introducing nanoclays into HDPE-based WPCs were examined. The first method involved the reinforcement of HDPE matrix with nanoclay, which was then used as a matrix in the manufacture of the wood-plastic composites (melt Blending Process). The second method consisted of a direct addition of nanoclay into HDPE/wood-flour composites during conventional dry compounding (direct dry Blending Process). The mechanical properties of injection molded WPCs were characterized using flexural, tensile, and dynamic mechanical analysis tests. In addition, the effect of five different types of nanoclays on the mechanical properties of HDPE was examined to identify the most effective nanoclay type for wood-plastic composites. The degree of nanoclay intercalation in HDPE-based nanocomposites was characterized by means of X-ray diffraction method and transmission electron microscopy. The melt Blending Process, in which nanoclay/HDPE nanocomposite was used as matrix, appeared to be the best approach of incorporating nanoclay in WPCs. The experimental results indicated that the mechanical properties of HDPE/wood-flour composites could be significantly improved with an appropriate combination of the coupling agent content and nanoclay type in the composites. © 2008 Elsevier Ltd. All rights reserved.

Jian Zhang – 2nd expert on this subject based on the ideXlab platform

  • optimal operation control of the raw slurry Blending Process using the case based reasoning and neural network
    International Journal of Advanced Mechatronic Systems, 2010
    Co-Authors: Shaocheng Tong, Jian Zhang, Tian-you Chai

    Abstract:

    Raw slurry Blending Process is a key unit in the sintering alumina industry. In this Blending Process, raw materials are grinded and blended in the mills to produce raw slurry. The optimal operation control objective is to make the quality indices of raw slurry into their targeted ranges. Flow rates of raw materials are the key factors that affect the quality indices of raw slurry. So, in order to realise the optimal operation control objective, right set points of flow rates must be obtained. However, due to the dynamics between quality indices and control loops of flow rates with complex natures, such as strong non-linearity, heavy coupling and difficulty of description by the accurate model, such a control objective is difficult to be realised by existing control methods. An intelligent optimal control method, which is comprised of the setting layer and the loop control layer, is proposed. In the setting layer, case-based reasoning (CBR) and neural network are adopted to obtain right set points of the control loops. In the loop control layer, the actual flow rates of raw materials follow their set points obtained from the setting layer. At last, the results of industry experiments have proven the effectiveness of the proposed method.

  • Fuzzy Optimal Control for Operation of the Raw Slurry Blending Process
    2009 Fourth International Conference on Innovative Computing Information and Control (ICICIC), 2009
    Co-Authors: Shaocheng Tong, Jian Zhang, Chunxia Wang

    Abstract:

    In the raw slurry Blending Process, red mud, alkali powder, Blending ore and limestone are translated into ball mills to produce the raw slurry whose quality indices include calcium ratio, alkali ratio and water content. The optimal control objective is to make the quality indices of raw slurry into their targeted ranges. However, due to the dynamics between the quality indices and the flow-rate of feedstock with complex natures, such as the difficulty of description by the accuracy model, it is difficult to realize this control objective by the existing operation control methods. A novel operation control method based-on fuzzy rules reasoning, which can control the quality indices of the raw slurry into their targeted ranges, is proposed. Meanwhile, in the operation control, fuzzy rules are automatically extracted from the Blending Process data. At last, industry experiments are implemented to prove the effectiveness of the proposed method.

  • preparation and dielectric properties of polyimide silica nanocomposite films prepared from sol gel and Blending Process
    Polymers for Advanced Technologies, 2007
    Co-Authors: Jian Zhang, Youyi Xu

    Abstract:

    Using poly(amic acid) (PAA) as a precursor followed by thermal imidization, the polyimide/silica nanocomposite films were prepared via an improved sol–gel Process and a Blending Process, respectively. FT-IR, TEM and TGA measurements were used to characterize the structure and properties of the obtained films. The results confirmed that the introduction of silica did not yield negative effects on the conversion of the PAA precursor to the polyimide. With the increase of silica content, the aggregation of silica appeared in the polyimide matrix, and the thermal stability decreased slightly for both kinds of films. The dielectric constant (e) of both films increased slowly with the increase of the silica concentration. The dielectric constant of the obtained polyimide/silica nanocomposite films displayed good stability within a wide range of temperatures or frequency. Based on modeling relation between e and silica content, the difference in dielectric properties for two kinds of nanocomposites are discussed. Copyright © 2007 John Wiley & Sons, Ltd.

Omar Faruk – 3rd expert on this subject based on the ideXlab platform

  • Nanoclay reinforced HDPE as a matrix for wood-plastic composites
    Composites Science and Technology, 2008
    Co-Authors: Omar Faruk, Laurent M Matuana

    Abstract:

    Abstract This study was aimed at identifying the best approach of incorporating nanoclay into wood-plastic composites (WPCs) to enhance their mechanical properties. Two different methods of introducing nanoclays into HDPE-based WPCs were examined. The first method involved the reinforcement of HDPE matrix with nanoclay, which was then used as a matrix in the manufacture of the wood-plastic composites (melt Blending Process). The second method consisted of a direct addition of nanoclay into HDPE/wood-flour composites during conventional dry compounding (direct dry Blending Process). The mechanical properties of injection molded WPCs were characterized using flexural, tensile, and dynamic mechanical analysis tests. In addition, the effect of five different types of nanoclays on the mechanical properties of HDPE was examined to identify the most effective nanoclay type for wood-plastic composites. The degree of nanoclay intercalation in HDPE-based nanocomposites was characterized by means of X-ray diffraction method and transmission electron microscopy. The melt Blending Process, in which nanoclay/HDPE nanocomposite was used as matrix, appeared to be the best approach of incorporating nanoclay in WPCs. The experimental results indicated that the mechanical properties of HDPE/wood-flour composites could be significantly improved with an appropriate combination of the coupling agent content and nanoclay type in the composites.

  • Nanoclay reinforced HDPE as a matrix for wood-plastic composites
    Composites Science and Technology, 2008
    Co-Authors: Omar Faruk, Laurent M Matuana

    Abstract:

    This study was aimed at identifying the best approach of incorporating nanoclay into wood-plastic composites (WPCs) to enhance their mechanical properties. Two different methods of introducing nanoclays into HDPE-based WPCs were examined. The first method involved the reinforcement of HDPE matrix with nanoclay, which was then used as a matrix in the manufacture of the wood-plastic composites (melt Blending Process). The second method consisted of a direct addition of nanoclay into HDPE/wood-flour composites during conventional dry compounding (direct dry Blending Process). The mechanical properties of injection molded WPCs were characterized using flexural, tensile, and dynamic mechanical analysis tests. In addition, the effect of five different types of nanoclays on the mechanical properties of HDPE was examined to identify the most effective nanoclay type for wood-plastic composites. The degree of nanoclay intercalation in HDPE-based nanocomposites was characterized by means of X-ray diffraction method and transmission electron microscopy. The melt Blending Process, in which nanoclay/HDPE nanocomposite was used as matrix, appeared to be the best approach of incorporating nanoclay in WPCs. The experimental results indicated that the mechanical properties of HDPE/wood-flour composites could be significantly improved with an appropriate combination of the coupling agent content and nanoclay type in the composites. © 2008 Elsevier Ltd. All rights reserved.