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首页> 外文期刊>Journal of Materials Research >Fabrication and characterization of aluminum matrix fly ash cenosphere composites using different stir casting routes
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Fabrication and characterization of aluminum matrix fly ash cenosphere composites using different stir casting routes

机译：不同搅拌铸造路线制备铝基粉煤灰空心球复合材料及其表征

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摘要

Aluminum matrix fly ash (AMFA) cenosphere composites were fabricated using the stir casting technique. The used type of fly ash cenosphere, which accounted for over 60% in all fly ash particles, was in narrow and small size (2-30 μm). During synthesis, effects of several key technological parameters on microstructure and properties were investigated using orthogonal experimental design. The optimal technological parameter was achieved as: melt temperature of 700 ℃ + stirring rate of 1200 r/min + stirring time of 6 min + fly ash cenosphere content of 13 wt%. With this optimal technological parameter, as-cast and forged composites were manufactured. Their tensile strengths were measured and improved maximally by 50% when the cenosphere content is 13 wt%. Such size and content of fly ash cenosphere and technological parameter could largely improve the properties of composites, which should be introduced into the production process of AMFA composites.
机译：采用搅拌铸造技术制备了铝基粉煤灰（AMFA）空心层复合材料。所用的粉煤灰空心层占所有粉煤灰颗粒的60％以上，尺寸狭窄且体积小（2-30μm）。在合成过程中，使用正交实验设计研究了几个关键技术参数对组织和性能的影响。最佳工艺参数为：熔体温度700℃+搅拌速度1200 r / min +搅拌时间6 min +粉煤灰空心层含量为13 wt％。利用这一最佳技术参数，可以制造铸态和锻造复合材料。测量其抗张强度，当空心球含量为13 wt％时，最大可提高50％。这样的粉煤灰空心层的尺寸和含量以及工艺参数可以大大改善复合材料的性能，应将其引入AMFA复合材料的生产过程中。

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  • 来源
    《Journal of Materials Research》 |2014年第2期|260-266|共7页
  • 作者

    Yufu Sun; Yezhe Lyu; Airong Jiang; Jingyu Zhao;

  • 作者单位

    School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002,People's Republic of China;

    School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002, People's Republic of China and Department of Machine Design, Royal Institute of Technology, Stockholm SE-10044, Sweden;

    School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002,People's Republic of China;

    School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450002,People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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