Microstructural characterization of intergranular stress corrosion cracking of 300 series stainless steels in PWR conditions

机译：PWR条件下300系列不锈钢晶间应力腐蚀开裂的显微组织表征

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300 series stainless steel foils containing stress corrosion cracks (SCC) grown in high temperature aqueous environments have been examined by TEM. Crack tips are oxidized and have a three-layered morphology where all the layers taper towards the crack tip. The inner layer is a microcrystalline spinel sandwiched between outer layers of a nanocrystalline oxide. The outer layers are enriched in Cr, and the inner with Fe, relative to the matrix. Cu was observed to segregate at the interface between oxide and matrix at one crack in type 316 steel.

机译：TEM已检查了300系列包含在高温水环境中生长的应力腐蚀裂纹（SCC）的不锈钢箔。裂纹尖端被氧化并具有三层形态，其中所有层都朝着裂纹尖端逐渐变细。内层是夹在纳米晶体氧化物的外层之间的微晶尖晶石。相对于基体，外层富集Cr，内层富集Fe。在316型钢的一个裂纹处，观察到Cu偏析在氧化物和基体之间的界面处。

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《Institute of Physics Electron Microscopy and Analysis Group Conference, Sep 5-7, 2001, Dundee》|2001年|p.203-206|共4页
会议地点 Dundee(GB);Dundee(GB)
作者
Y Huang; S.Lozano-Perez; J.M.Titchmarsh; M.L.Jenkins; K.Fujii;
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作者单位

Department of Materials, Oxford University, Parks Road, OX1 3PH, UK;

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原文格式 PDF
正文语种 eng
中图分类无线电电子学、电信技术;
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2. Microstructural characterization on intergranular stress corrosion cracking of Alloy 600 in PWR primary water environment [J] . Yun Soo Lim, Hong Pyo Kim, Seong Sik Hwang Journal of Nuclear Materials: Materials Aspects of Fission and Fusion . 2013,第1a3期

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3. Investigation of Irradiation-Induced Intergranular Stress Corrosion Cracking Susceptibility of Austenitic Stainless Steels for PWR by Simulated Radiation-Induced Segregation Materials [J] . Toshio Yonezawa, Koji Fujimoto, Hiroshi Kanasaki 材料と環境 . 2000,第7期

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4. Microstructural characterization of intergranular stress corrosion cracking of 300 series stainless steels in PWR conditions [C] . Y Huang, S.Lozano-Perez, J.M.Titchmarsh, Institute of Physics Electron Microscopy and Analysis Group conference . 2001

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Microstructural characterization of intergranular stress corrosion cracking of 300 series stainless steels in PWR conditions

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