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Ball Indentation Studies on the Effect of Nitrogen on the Tensile Properties of 316LN SS

机译：氮对316LN SS拉伸性能影响的球压痕研究

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摘要

Type 316L(N) stainless steel (SS) containing 0.02-0.03 wt% carbon and 0.06-0.08 wt% nitrogen is used as the major structural material for the components of fast reactors. Research is underway to improve the high-temperature mechanical properties of 316LN SS by increasing the nitrogen content in the steel above the level of 0.08 wt%. In this investigation, ball indentation (BI) technique was used to evaluate the effect of nitrogen content on the tensile properties of 316LN SS. BI tests were conducted on four different heats of 316LN SS containing 0.07, 0.11, 0.14 and 0.22 wt% nitrogen in the temperature range 300-923 K. The tensile properties such as yield strength and ultimate tensile strength increased with increase in nitrogen content at all the investigated temperatures. These results were consistent with the corresponding uni-axial tensile test results. These studies showed that BI technique can be used to optimize the chemical composition during alloy development by evaluating tensile properties with minimum volume of material.
机译：含有0.02-0.03 wt％的碳和0.06-0.08 wt％的氮的316L（N）型不锈钢（SS）被用作快速反应器组件的主要结构材料。通过将钢中的氮含量提高到0.08 wt％以上来改善316LN SS的高温机械性能的研究正在进行中。在这项研究中，球压痕（BI）技术用于评估氮含量对316LN SS拉伸性能的影响。在300-923 K的温度范围内，对四种含7％，0.11、0.14和0.22 wt％氮的316LN SS进行了BI测试。拉伸性能（如屈服强度和极限抗拉强度）随氮含量的增加而增加。调查的温度。这些结果与相应的单轴拉伸试验结果一致。这些研究表明，BI技术可用于通过在最小材料体积下评估拉伸性能来优化合金开发过程中的化学成分。

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  • 来源
    《High temperature materials and processes》 |2015年第8期|827-832|共6页
  • 作者

    M. D. Mathew; J. Ganesh Kumar; V. Ganesan; K. Laha;

  • 作者单位

    Mechanical Metallurgy Division, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India;

    Mechanical Metallurgy Division, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India;

    Mechanical Metallurgy Division, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India;

    Mechanical Metallurgy Division, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India;

  • 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);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    ball indentation; 316LN SS; yield strength; tensile strength;

    机译：球压痕316LN SS;屈服强度抗拉强度;

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