Microstructure and Grain Boundary Precipitates in 9 approx 12 percent Cr Ferritic Heat-resisting Steels

Megumi KIMURA; Koji YAMAGUCHI; Masao HAYAKAWA

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Microstructure and Grain Boundary Precipitates in 9 approx 12 percent Cr Ferritic Heat-resisting Steels

机译：9％CR铁素体耐热钢中9％CR铁素体耐热钢的微观结构和晶界沉淀

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Observation of electropolished surface by FE-SEM revealed a multiscale structure composed of prior austenitic grains, packets, blocks and precipitates for ferritic heat-resisting steels. After the creep-fatigue tests the microstructure showed little change except for the precipitate's size and density. Drastic changes of dislocation subgrains within the block were observed by TEM. Occupancy of the precipitates on prior austenitic grain boundaries was newly proposed as an index of creep-fatigue damage.

机译：通过Fe-SEM观察电解力表面揭示了由先前奥氏体颗粒，包，块和用于铁素体耐热钢的沉淀物组成的多尺度结构。在蠕变 - 疲劳试验后，除沉淀物的尺寸和密度外，微观结构显示出很少的变化。通过TEM观察块内脱位亚甲草的畸形变化。新建止血颗粒界限对沉淀物的占据作为蠕变疲劳损伤的指标。

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来源
《鉄と鋼／Journal of the Iron and Steel Institute of Japan.》 |2004年第1期|共6页
作者
Megumi KIMURA; Koji YAMAGUCHI; Masao HAYAKAWA;
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作者单位

National Institute for Materials Science 1-2-1 Sengen Tsukuba 305-0047;

Forschungszentrum Rossendorf Dresden Germany;

Forschungszentrum Rossendorf Dresden Germany;

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原文格式 PDF
正文语种 jpn
中图分类钢铁冶炼（黑色金属冶炼）（总论）;
关键词
multiscale structure; precipitates; ferritic heat-resisting steels; creep-fatigue;

机译：多尺度结构;沉淀物;铁素体耐热钢;蠕变 - 疲劳;

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1. Microstructure and Grain Boundary Precipitates in 9 approx 12 percent Cr Ferritic Heat-resisting Steels [J] . Megumi KIMURA, Koji YAMAGUCHI, Masao HAYAKAWA 鉄と鋼／Journal of the Iron and Steel Institute of Japan. . 2004,第1期

机译：9种约12％Cr铁素体耐热钢的组织和晶界析出
2. Microstructures of creep-fatigued 9-12 percent Cr ferritic heat-resisting steels [J] . M. Kimura, K. Yamaguchi, M. Hayakawa International Journal of Fatigue . 2006,第3期

机译：蠕变疲劳的9-12％Cr铁素体耐热钢的显微组织
3. Grain Boundary Strengthening Mechanism of Tungsten Containing 9 to 12 percent Chromium Ferritic Heat Resistant Steels at 650 deg C [J] . Yasushi HASEGAWA, Masahiro OHGAMI, Taro MURAKI 材料 . 2003,第7期

机译：650℃下含有9至12％铬铁铁耐热钢的钨晶界强化机理
4. Mechanical properties evaluation by nano indentation of creep-fatigued ferritic heat-resisting steel (12Cr-2W) [C] . Nobuo Nagashima, Masao Hayakawa, Megumi Kimura China-Japan bilateral symposium on high temperature strength of materials;Chinese Mechanical Engineering Society;Society of Materials Science . 2016

机译：通过蠕变疲劳铁素体耐热钢（12Cr-2W）的纳米压痕评估力学性能
5. EFFECTS OF THERMAL ANNEALING AND ION IRRADIATION ON THE MICROSTRUCTURES OF HT-9 FERRITIC STEEL (PRECIPITATES, CAVITIES, TEM, DISLOCATION LOOPS, CROSS-SECTION). [D] . KAI, JI-JUNG. 1986

机译：热退火和离子辐照对HT-9铁素体钢（组织，腔，TEM，位移环，横截面）的微观结构的影响。
6. Partitioning of Interstitial Segregants during Decohesion: A DFT Case Study of the Σ3 Symmetric Tilt Grain Boundary in Ferritic Steel [O] . Xiang Huang, Rebecca Janisch 2019

机译：脱粘过程中间隙隔离物的分配：铁素体钢中Σ3对称倾斜晶界的DFT案例研究
7. Effect of shock loading on the microstructure, mechanical properties and grain boundary characteristics of HT-9 ferritic/martensitic steels [O] . E. Aydogan, O. Anderoglu, S.A. Maloy, 2016

机译：冲击载荷对HT-9铁素体/马氏体钢的微观结构，力学性能和晶界特性的影响

Microstructure and Grain Boundary Precipitates in 9 approx 12 percent Cr Ferritic Heat-resisting Steels

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