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Strengthening of Pearlitic Steel by Ferrite/Cementite Elastic Misfit Strain

机译:铁素体/渗碳体弹性失配应变对珠光体钢的强化

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摘要

The strength of pearlitic steel was clearly reduced by annealing, even though cementite stably maintained a lamellar structure. In response, lattice strain of the ferrite phase in pearlite monotonically decreased with increasing annealing time. As a result, a good linear relationship was established between the strength and ferrite lattice strain independent of the interlamellar spacing and morphology of cementite. This suggests that the ferrite/cementite elastic misfit strain contributes to the high strength of pearlitic steel.
机译:即使渗碳体稳定地保持了层状结构,珠光体钢的强度也因退火而明显降低。作为响应,珠光体中铁素体相的晶格应变随着退火时间的增加而单调降低。结果,在强度和铁素体晶格应变之间建立了良好的线性关系,而与层间间距和渗碳体的形态无关。这表明铁素体/渗碳体的弹性失配应变有助于珠光体钢的高强度。

著录项

  • 来源
    《ISIJ international》 |2015年第9期|2036-2038|共3页
  • 作者单位

    Department of Materials Science and Engineering, Kyushu University Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-8503 Japan;

    Department of Materials Science and Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya, Yokohama, 240-8501 Japan;

    Department of Materials Science and Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395 Japan;

    Department of Materials Science and Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395 Japan,International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395 Japan;

    Department of Materials Science and Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395 Japan,International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka, 819-0395 Japan;

    Yawata R & D Lab., Nippon Steel & Sumitomo Metal Co., 1-1 Tobihatacho, Tobata-ku, Kitakyushu, 804-8501 Japan;

  • 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
  • 中图分类
  • 关键词

    pearlite; strength; elastic misfit strain; lamellar eutectoid structure;

    机译:珠光体强度;弹性失配应变层状共析结构;

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