Nitrogen-induced yield point phenomenon in an austenitic steel

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Nitrogen-induced yield point phenomenon in an austenitic steel

机译：奥氏体钢中氮诱导的屈服点现象

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Discrepancies remain about nature of dislocation-interstitial interaction governing yielding discontinuity in fcc materials. Here, we show that outward diffusion of nitrogen from stacking fault (SF) into matrix causes strain redistribution, leading to lowering stacking fault energy. Local fluctuation of nitrogen promotes fault growth coupled with nitrogen-enriched zone, contributing to enhanced plasticity.

机译：关于位错-间隙相互作用的性质控制fcc材料中产生不连续性的差异仍然存在。在这里，我们表明氮从堆垛层错（SF）向外扩散到基质中会引起应变重新分布，从而降低堆垛层错能量。氮的局部波动促进断层的生长以及富氮区的形成，从而增强了可塑性。

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《Materials Science and Engineering》 |2020年第13期|138897.1-138897.5|共5页
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作者单位

Materials Technology Development Team Corporate Research and Development Institute Doosan Heavy Industries and Construction Co. LTD 22 Doosanvolvo-ro Changwon Gyeongnam 57711 Republic of Korea;

Department of Materials Science and Engineering Changwon National University 20 Changwondaehak-ro Changwon Gyeongnam 51140 Republic of Korea;

Advanced Metals Division Korea Institute of Materials Science 797 Changwondaero Changwon 51508 Republic of Korea;

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正文语种 eng
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关键词
Yield phenomena; Strain aging; Steel; Stacking fault; Transmission electron microscopy;

机译：屈服现象;应变老化;钢;堆垛层错;透射电子显微镜;

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1. On the Nitrogen-Induced Lattice Expansion of a Non-stainless Austenitic Steel, Invar 36 (R), Under Triode Plasma Nitriding [J] . Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 2020,第1期

机译：在三极管等离子体氮气下的非不锈钢型钢的氮诱导的晶格膨胀，Invar 36（R）
2. Effects of nitrogen-induced h.c.p. martensite formation on corrosion resistance of plasma source ion nitrided austenitic stainless steel [J] . M. K. Lei, Z. L. Zhang Journal of Materials Science Letters . 1999,第18期

机译：氮诱导的h.c.p.马氏体形成对等离子源离子渗氮奥氏体不锈钢耐蚀性的影响
3. In situ transformation of nitrogen-induced hcp martensite in plasma source ion-nitrided austenitic stainless steel [J] . Lei MK., Zhang ZL., Huang Y. Journal of Materials Science Letters . 1998,第14期

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4. Modeling the ratcheting phenomenon in an austenitic steel at room temperature [C] . A. S. Zaki, H. Ghonem Reliability, Stress Analysis, and Failure Prevention Conference . 2000

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5. Serrated Yielding and Creep Properties of an Advanced Austenitic Stainless Steel (Alloy 709) – Application to Next Generation Sodium Fast Reactors [D] . Alomari, Abdullah Saud. 2019

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6. Analysis of Flaw Detection Sensitivity of Phased Array Ultrasonics in Austenitic Steel Welds According to Inspection Conditions [O] . YoungLae Kim, Sungjong Cho, Ik Keun Park 2021

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7. On the Nitrogen-Induced Lattice Expansion of a Non-stainless Austenitic Steel, Invar 36®, Under Triode Plasma Nitriding [O] . Xiao Tao, Allan Matthews, Adrian Leyland 2019

机译：在三极管等离子体氮气下的非不锈钢奥氏体钢的氮诱导晶格膨胀

Nitrogen-induced yield point phenomenon in an austenitic steel

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