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首页> 外文期刊>Journal of Materials Research >Equal channel angular extrusion for bulk processing of Fe-Co-2V soft magnetic alloys, part Ⅱ: Texture analysis and magnetic properties
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Equal channel angular extrusion for bulk processing of Fe-Co-2V soft magnetic alloys, part Ⅱ: Texture analysis and magnetic properties

机译：Fe-Co-2V软磁合金批量加工的等通道角挤压，第二部分：织构分析和磁性能

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摘要

In Part I, equal channel angular extrusion (ECAE) was demonstrated as a novel, simple-shear deformation process for producing bulk forms of the low ductility Fe-Co-2V (Hiperco 50A (R)) soft ferromagnetic alloy with refined grain sizes. Microstructures and mechanical properties were discussed. In this Part II contribution, the crystallographic textures and quasi-static magnetic properties of ECAE-processed Hiperco were characterized. The textures were of a simple-shear character defined by partial {110} and 111 fibers inclined relative to the extrusion direction, in agreement with the expectations for simple-shear deformation textures of BCC metals. These textures were observed throughout all processing conditions and only slightly reduced in intensity by subsequent recrystallization heat treatments. Characterization of the magnetic properties revealed a lower coercivity and higher permeability for ECAE-processed Hiperco specimens relative to the conventionally processed and annealed Hiperco bar. The effects of the resultant microstructure and texture on the coercivity and permeability magnetic properties are discussed.
机译：在第一部分中，等通道角挤压（ECAE）被证明是一种新颖，简单的剪切变形工艺，用于生产散装形式的，具有细化晶粒度的低延展性Fe-Co-2V（Hiperco 50A（R））软铁磁合金。讨论了组织和力学性能。在第二部分的贡献中，表征了ECAE处理的Hiperco的晶体织构和准静态磁性能。该纹理具有由相对于挤出方向倾斜的部分{110}和<111>纤维定义的简单剪切特性，这与对BCC金属的简单剪切变形纹理的期望相一致。在所有加工条件下均观察到这些织构，随后的重结晶热处理仅使强度略有降低。磁性的表征显示，相对于传统加工和退火的Hiperco棒材，经ECAE处理的Hiperco标本具有较低的矫顽力和较高的磁导率。讨论了所得的微观结构和织构对矫顽力和磁导率磁性能的影响。

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  • 来源
    《Journal of Materials Research》 |2018年第15期|2176-2188|共13页
  • 作者

    Kustas Andrew B.; Michael Joseph R.; Susan Don F.; Karaman Ibrahim; Jozaghi Taymaz;

  • 作者单位

    Sandia Natl Labs, Mat Phys & Chem Sci Ctr, Albuquerque, NM 87185 USA;

    Sandia Natl Labs, Mat Phys & Chem Sci Ctr, Albuquerque, NM 87185 USA;

    Sandia Natl Labs, Mat Phys & Chem Sci Ctr, Albuquerque, NM 87185 USA;

    Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA;

    Texas A&M Univ, Dept Mech Engn, College Stn, TX 77843 USA;

  • 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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  • 正文语种 eng
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