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The microstructure controlling and deformation behaviors of Cu-Fe-C alloy prepared by rapid solidification

机译：快速凝固Cu-Fe-C合金的组织控制和变形行为

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摘要

In order to improve the deformability and strength simultaneously, an advanced Cu-Fe-C alloy with dual-phase structure was prepared by combining a vacuum melting and rapid solidification. The microstructure evolution and deformation behaviors of Cu-Fe-C alloy in the different conditions were studied systematically. The results show that, the uniform distribution of both micro- and nano-sized Fe-C particles can be obtained in the alloy by controlling the solidification rate, corresponding to the prediction of modified Shangguan model. The phase transformation of Fe-C phases and copper-type shear bands can be induced during cold rolling process, the former directly enhancing the work hardening exponent and cooperative deformability. According to the microstructure evolution and tensile fracture morphologies of Cu-Fe-C alloy with a dual-phase structure, the corresponding fracture models were put forward in this paper.
机译：为了同时提高变形性和强度，通过真空熔融和快速凝固相结合的方法制备了具有双相结构的高级Cu-Fe-C合金。系统研究了Cu-Fe-C合金在不同条件下的组织演变和变形行为。结果表明，通过控制凝固速率，可以在合金中获得微米和纳米尺寸的Fe-C颗粒的均匀分布，这与改进的上官模型的预测相对应。在冷轧过程中可以诱发Fe-C相和铜型剪切带的相变，前者直接增强了加工硬化指数和协同变形能力。根据具有双相结构的Cu-Fe-C合金的微观组织演变和拉伸断裂形态，提出了相应的断裂模型。

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  • 来源
    《Materials Science and Engineering》 |2016年第7期|197-209|共13页
  • 作者

    Mingxing Guo; Fei Wang; Long Yi;

  • 作者单位

    State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, PR China;

    State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, PR China;

    State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, PR China;

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

    Cu-Fe-C alloy; Fe-C phase; Phase transformation; Deformation behavior; Modeling;

    机译：铜铁碳合金;Fe-C相相变;变形行为;造型;

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