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首页> 外文期刊>Materials Science and Engineering >Rapid communication Novel technique for the synthesis of ultra-fine porosity metal foam via the inclusion of condensed argon through cryogenic mechanical alloying;
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Rapid communication Novel technique for the synthesis of ultra-fine porosity metal foam via the inclusion of condensed argon through cryogenic mechanical alloying;

机译:快速交流通过低温机械合金化通过包含冷凝氩气来合成超细孔隙金属泡沫的新技术;

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摘要

It was discovered that mechanical milling of metal powders in an ultra high purity argon atmosphere at cryogenic temperatures can result in argon being incorporated into the metal. This incorporated argon causes expansion by increasing the porosity when the material is annealed. The resulting annealed material can be classified as metal foam due to its highly porous nature. The most porous samples were measured to have nearly 50% porosity. This effect was observed in nominally pure copper and an alloy of 81 at% palladium and 19at% zirconium.
机译:发现在超高纯氩气氛中在低温下对金属粉末进行机械研磨会导致将氩掺入金属中。当材料退火时,这种掺入的氩气会通过增加孔隙率而引起膨胀。所得的退火材料由于其高度多孔性而可以归类为金属泡沫。测量的最多孔的样品具有接近50%的孔隙率。在名义上纯的铜和81 at%的钯和19at%的锆的合金中观察到这种效果。

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  • 来源
    《Materials Science and Engineering》 |2011年第5期|p.2192-2195|共4页
  • 作者单位

    Department of Materials Science and Engineering, NCState University, 911 Partners Way, Room 3000, Raleigh, NC 27695-7907, USA,Materials Science and Engineering, Pennsylvania State University, 121 Steidle Building, University Park, PA 16802, USA.;

    U.S. Army Research Laboratory, Weapons and Materials Research Directorate, RDRL-WMM-B, Aberdeen Proving Ground, MD 21005-5069, USA;

    Department of Materials Science and Engineering, NCState University, 911 Partners Way, Room 3000, Raleigh, NC 27695-7907, USA;

    Department of Materials Science and Engineering, NCState University, 911 Partners Way, Room 3000, Raleigh, NC 27695-7907, USA;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    metal foam cryogenic temperatures mechanical milling copper porosity;

    机译:金属泡沫低温温度机械研磨铜孔隙度;

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