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Low Residual Induction in High‐Aluminum Iron Alloys

机译:高铝铁合金中的低残留感应

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摘要

Low values of residual induction have been observed for different heat treatments in 0.007 and 0.014 in. thick sheets of aluminum‐iron alloys containing 10 to 16 weight percent aluminum. For these materials the ratio of residual induction (Br) to induction at 100 oersteds (B100) gave values of 0.05 to 0.1. These low residual induction values apparently occur at compositions having zero crystal anisotropy for both furnace‐cooled and water‐quenched alloys. Domain patterns were observed in these low Br alloys but, in general, no evidence of domain patterns was observed in the same alloys when the Br/B100 ratio was increased, through suitable heat treatment, to a value greater than about 0.2. The fairly high magnetostriction of the alloys around the Fe3Al composition and the stress produced by cooling through differently ordered regions may be considered to produce a high ``stress anisotropy'' resulting in pronounced domain patterns and perhaps also to contribute to the lowering of the residual induction of these alloys.
机译:在0.007和0.014英寸厚的铝铁合金薄板中,铝含量为10%至16%(重量)时,在不同的热处理条件下观察到的残留感应值较低。对于这些材料,残余感应强度(Br)与100奥斯特(B100)的感应强度之比为0.05至0.1。对于炉冷和水淬合金,这些低残留感应值显然发生在具有零晶体各向异性的成分上。在这些低Br合金中观察到畴图案,但是,通常,当通过适当的热处理将Br / B100比提高到大于约0.2时,在相同合金中没有观察到畴图案的证据。合金在Fe3Al成分周围的相当高的磁致伸缩性以及通过冷却通过不同有序区域产生的应力可能被认为会产生高的``应力各向异性'',从而导致明显的磁畴图案,也许还有助于降低残余物这些合金的感应。

著录项

  • 来源
    《Journal of Applied Physics》 |1958年第3期|共2页
  • 作者

    Pavlovic D.; Foster K.;

  • 作者单位

    Materials Engineering Departments, Westinghouse Electric Corporation, East Pittsburgh, Pennsylvania;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
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