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首页> 外文期刊>Materials Science and Engineering >Modulation of strength and plasticity of multiscale Ni/Cu laminated composites
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Modulation of strength and plasticity of multiscale Ni/Cu laminated composites

机译：镍/铜多层复合材料强度和塑性的调节

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摘要

The multiscale Ni/Cu laminated composites with different layer-thickness ratios and grain sizes were designed and prepared by the dual-bath electrodeposition technique. Strength and ductility of the multiscale Ni/Cu laminated composites were investigated by tensile tests at room temperature. The experimental results show that the ultrafine-grained Ni/coarse-grained Cu laminated composites with a thickness ratio of 20:1 have a good synergy of strength and ductility. For this Ni/Cu laminated composite, not only could the large strain hardening ability and the good plastic deformation stability of the thick ultrafine-grained Ni layers be obtained, but also the ductility of the ultrathin coarse-grained Cu layers and the resistance to the development of strain localization of the ultrafine-grained Ni layers did not become degraded. Basic mechanisms for optimizing the strength and the ductility in the multiscale Ni/Cu laminated composites are discussed.
机译：通过双浴电沉积技术设计和制备了具有不同层厚比和晶粒尺寸的多尺度Ni / Cu层压复合材料。在室温下通过拉伸试验研究了多尺度镍/铜层压复合材料的强度和延展性。实验结果表明，厚度比为20：1的超细颗粒Ni /粗颗粒Cu层状复合材料具有良好的强度和延展性协同作用。对于这种Ni / Cu叠层复合材料，不仅可以获得厚的超细晶粒Ni层的大的应变硬化能力和良好的塑性变形稳定性，而且还可以获得超薄的粗晶粒Cu层的延展性和耐蚀性。超细晶粒镍层的应变局部化发展没有退化。讨论了优化多尺度镍/铜层压复合材料的强度和延展性的基本机理。

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  • 来源
    《Materials Science and Engineering》 |2015年第11期|216-220|共5页
  • 作者

    B. Zhang; Y. Kou; Y.Y. Xia; X. Zhang;

  • 作者单位

    Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, School of Materials and Metallurgy, Northeastern University, 3-11 Wenhua Road, Shenyang 110819, PR China;

    Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, School of Materials and Metallurgy, Northeastern University, 3-11 Wenhua Road, Shenyang 110819, PR China;

    Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, School of Materials and Metallurgy, Northeastern University, 3-11 Wenhua Road, Shenyang 110819, PR China;

    Key Laboratory for Anisotropy and Texture of Materials, Ministry of Education, School of Materials and Metallurgy, Northeastern University, 3-11 Wenhua Road, Shenyang 110819, PR China;

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  • 正文语种 eng
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  • 关键词

    Laminated composite; Ultrafine grain; Strength; Ductility;

    机译：层压复合材料;超细晶粒;强度;延展性;

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