蠕变变形加氮 316LN 不锈钢的 X 射线衍射分析

IF 1.6 4区材料科学 Q2 Materials Science

Transactions of The Indian Institute of Metals Pub Date : 2024-07-27 DOI:10.1007/s12666-024-03405-w

S. Murugesan, R. Mythili, G. V. Prasad Reddy, V. Ganesan, R. Thirumurugesan, Arup Dasgupta

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引用次数: 0

摘要

在蠕变试验（923 K，200 MPa）和固溶退火条件下，对不同氮浓度（0.07、0.11、0.14、0.22 wt.%）的加氮奥氏体 316LN 不锈钢进行了 X 射线衍射详细分析。在蠕变试验前后研究了氮对晶格参数的影响。通过威廉森-霍尔分析法估算了尺寸和应变。高氮添加的 316LNSS 显示出较低的位错密度。蠕变断裂寿命随氮含量的增加而增加，这与晶格参数、晶粒尺寸和应变密切相关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

$X-ray Diffraction Analysis of Creep-deformed Nitrogen-added 316LN Stainless Steels$

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X-ray Diffraction Analysis of Creep-deformed Nitrogen-added 316LN Stainless Steels

X-ray diffraction detailed analysis of nitrogen-added austenitic 316LN stainless steels with different nitrogen concentrations (0.07, 0.11, 0.14, 0.22 wt.%) was carried out in creep-tested (at 923 K, 200 MPa) and solution-annealed conditions. The effect of nitrogen on lattice parameter was studied before and after creep testing. Size and strain were estimated through Williamson–Hall analysis. High nitrogen-added 316LNSS showed lower dislocation density. Increase in creep rupture lifetime with nitrogen content correlated well with the lattice parameter, crystallite size, and strain.

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来源期刊

Transactions of The Indian Institute of Metals Materials Science-Metals and Alloys

CiteScore

2.60

自引率

6.20%

发文量

期刊介绍： Transactions of the Indian Institute of Metals publishes original research articles and reviews on ferrous and non-ferrous process metallurgy, structural and functional materials development, physical, chemical and mechanical metallurgy, welding science and technology, metal forming, particulate technologies, surface engineering, characterization of materials, thermodynamics and kinetics, materials modelling and other allied branches of Metallurgy and Materials Engineering. Transactions of the Indian Institute of Metals also serves as a forum for rapid publication of recent advances in all the branches of Metallurgy and Materials Engineering. The technical content of the journal is scrutinized by the Editorial Board composed of experts from various disciplines of Metallurgy and Materials Engineering. Editorial Advisory Board provides valuable advice on technical matters related to the publication of Transactions.