Calculation of Nitrogen Absorption into Austenitic Stainless Steel Plate and Wire

Thoshihior TSUCHIYAMA; Taishiro FUKUMARU; Makoto EGASHIRA

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Calculation of Nitrogen Absorption into Austenitic Stainless Steel Plate and Wire

机译：奥氏体不锈钢板和线中氮吸收的计算。

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The nitrogen absorption behavior into 304 austenitic stainless steel can be successfully estimated by the numerical method using the diffusion equation for the solution ni-triding in plate and wire materials. The value of 2.4X10~(-11) m~2/s was used for the calculation as the diffusion coefficient of nitrogen in austenite at 1473 K. The boundary condition on nitrogen concentration at specimen surface is given by the equilibrium nitrogen concentration as a function of the chemical composition of the steel. The time required for full nitrogen absorption can be also estimated by this calculation in both of plate and wire materials as a function of thickness and diameter, respectively.

机译：可以通过使用扩散方程对板和线材进行固溶渗氮的数值方法，通过数值方法成功地估算出304奥氏体不锈钢中的氮吸收行为。以2.4X10〜（-11）m〜2 / s的值作为1473 K下奥氏体中氮的扩散系数进行计算。试样表面氮浓度的边界条件由平衡氮浓度作为钢的化学成分的功能。通过这种计算，在板材和金属丝材料中，完全吸收氮所需的时间也可以分别作为厚度和直径的函数。

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来源
《ISIJ international》 |2004年第6期|p.1121-1123|共3页
作者
Thoshihior TSUCHIYAMA; Taishiro FUKUMARU; Makoto EGASHIRA;
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作者单位

Department of Materials Science and Enineering, Kyushu University. 6-10-1, Hakozaki, Higashi-ku, Fukuoka 812-8581 Japan;

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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
中图分类黑色金属材料;
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1. Mechanical Properties of Ni-Free High-Nitrogen Austenitic Stainless Steel Made by Metal Injection Molding with Nitrogen Absorption Method [J] . Yosuke Aoyama, Midori Komada, Yoshikazu Kuroda, 粉体および粉末冶金 . 2009,第3期

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2. Weldability of High Nitrogen Austenitic Stainless Steel Reports 2 ---Nitrogen Absorption of 316L Weld Metal and Its fine particles in Extreme Environments--- [J] . Yasushi Kikuchi, Fukuhisa Matsuda, Takatoshi Okabe, Transactions of JWRI . 1995,第2期

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5. Characterization of the fatigue failure mechanisms in austenitic and high nitrogen austenitic stainless steels. [D] . Roach, Michael David. 2011

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7. Calculation of Nitrogen Absorption into Austenitic Stainless Steel Plate and Wire [O] . Toshihiro Tsuchiyama, Taishiro Fukumaru, Makoto Egashira, 2004

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8. Microstructural and Micromechanical Response in Austenitic Stainless Steel Overlays on Low Alloy Steel Plate. Final Technical Report, July 1, 1982-September 30, 1984 [R] . Rosa, E., Choi, P., Moteff, J. 1985

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Calculation of Nitrogen Absorption into Austenitic Stainless Steel Plate and Wire

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