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Characterization and numerical simulation of nucleation-growth-coarsening kinetics of precipitates in G115 martensitic heat resistance steel during long-term aging
《Journal of Iron and Steel Research International》2023年第6期1279-1290,共12页Yun-he Yu Zheng-dong Liu Zhen Liu Zheng-zong Chen Han-sheng Bao Chi Zhang Zhi-gang Yang 
financially supported by the National Key Research and Development Program of China(Grant Nos.2020YFB0311000 and 2017YFB0305201);the Fund of Key Laboratory of Advanced Materials of Ministry of Education(ADV22-12);the Jiangsu Funding Program for Excellent Postdoctoral Talent.
The service performance of heat resistance steels is largely determined by the precipitation kinetics.The nucleation-growth-coarsening behaviors of precipitates in G115 martensitic heat resistance steel during long-te...
关键词：NUCLEATION Growth COARSENING Precipitation kinetics G115 heat resistance steel Long-term aging 
Phase separation and coarsening of NiAl(β′)intermetallic in quench-aged Fe-Ni-Al alloys
《Journal of Iron and Steel Research International》2020年第11期1331-1338,共8页C.Ferreira-Palma J.A.Rosas-Barrios V.M.Lopez-Hirata D.I.Rivas-Lopez H.J.Dorantes-Rosales 
The authors would like to thank Consejo Nacional de Ciencia y Tecnologfa(CONACYT)(Project CB-2013 No.222459);IPN-SIP-BEIFI for their financial support.
The coarsening behavior of four quench-aged Fe-Ni-AI alloys with different Ni and Al con tents is studied.The alloys were solubilized at 1100℃for 24 h,water-quenched and aged at 850℃for periods ranging from 1 to 100...
关键词：Precipitation Spinodal decomposition COARSENING Aging Fe-Ni-Al alloy 
Prediction model for austenite grains growth during reheating process in Ti micro-alloyed cast steel by coupling precipitates dissolution and coarsening behavior
《Journal of Iron and Steel Research International》2019年第2期162-172,共11页Tao Liu Mu-jun Long Wen-jie He Deng-fu Chen Zhi-hua Dong Xian-guang Zhang Hua-mei Duan 
National Natural Science Foundation of China(Grant Nos.51504048,51874060,51874059 and 51611130062);The authors would like to acknowledge the members of Laboratory of Metallurgy and Materials,Chongqing University,for the support of this work.
A combined model to predict austenite grains growth of titanium micro-alloyed as-cast steel during reheating process was established.The model invoIves the behaviors of austenite grains growth in continuous heating pr...
关键词：Austenite grains GROWTH REHEATING process PRECIPITATE DISSOLUTION PRECIPITATE COARSENING Prediction model 
Influence of Mo on Growth and Coarsening of Nanometer-sized Carbides in Low-alloy Ferritic Steels Containing Ti被引量：4
《Journal of Iron and Steel Research International》2014年第9期878-885,共8页Bin-hao HU Qing-wu CAI Hui-bin WU 
Item Sponsored by National Key Technology Research and Development Program in 11th Five-year Plan of China(2006BE03A0)
By optical microscopy, transmission electron microscopy and energy dispersive spectroscopy, the changes with aging time in size, composition and distribution of nanometer-sized （Ti, Mo）C precipitated in Ti-Mo low-al...
关键词：Ti-Mo low alloy ferritic steel nanometer-sized carbide precipitation strengthening Ostwald coarsening 
Coarsening of M_(23)C_6 Precipitates in an Fe-Cr-C Ternary Alloy被引量：1
《Journal of Iron and Steel Research International》2012年第9期62-67,共6页ZHU Na-qiong , LU Li , HE Yan-lin , LI Lin , LU Xiao-gang ( Department of Materials Science and Engineering , Shanghai University , Shanghai 200072 , China ) 
Item Sponsored by National Natural Science Foundation of China ( 50971137 , 50934011 );National Basic Research Program of China ( 2010CB630802 )
Coarsening of M23C6precipitates in an Fe-12.4Cr-0.13Cternary alloy has been investigated ageing at 780℃ up to 200h.Evolution of M23C6carbides at different ageing times was determined experimentally using transmission...
关键词：M23C6 COARSENING PSD interfacial energy 
Microstructure Evolution in 9Cr Martensitic Steel During Long-Term Creep at 650℃被引量：2
《Journal of Iron and Steel Research International》2012年第7期55-59,共5页HU Zheng-fei WANG Qi-jiang ZHANG Bin 
Item Sponsored by National Natural Science Foundation of China(50871076)
Standardarized creep and rupture strength tests were conducted for commercial T91 martensitic heat-resistant steel at 650℃and corresponding microstructure was characterized by BSED, TEM and EDS. The martensitic micro...
关键词：T91 steel creep strength microstructure CARBIDE COARSENING SELF-DIFFUSION 
Secondary Hardening, Austenite Grain Coarsening and Surface Decarburization Phenomenon in Nb-Bearing Spring Steel被引量：17
《Journal of Iron and Steel Research International》2012年第3期47-51,61,共6页ZHANG Chao-lei, LIU Ya-zheng, ZHOU Le-yu, JIANG Chao (School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China) 
Sponsored by CITIC-CBMM Niobium Steel Research and Development Projects of China(2007RMJS-D031)
The secondary hardening, the austenite grain coarsening and the surface decarburization phenomenon of Nb-bearing spring steel were investigated, and the effects of niobium on tempered microstructure was studied using ...
关键词：spring steel! microalloyingl secondary hardening grain coarsening surface decarburization 
Evolution and Coarsening of Carbides in 2.25Cr-1Mo Steel Weld Metal During High Temperature Tempering被引量：23
《Journal of Iron and Steel Research International》2010年第5期74-78,共5页TAO Peng ZHANG Chi YANG Zhi-gang Takeda Hiroyuki 
Financial support from Kobe Steel is gratefully acknowledged
Transformation and coarsening of carbides in 2.25Cr-lMo steel weld metal during tempering at 700 ℃ for different time intervals ranging from 1 to 150 h were examined by transmission electron microscopy and scanning e...
关键词：weld metal CARBIDE TEMPERING COARSENING 
Coarsening and Age Hardening Behaviors of γ' Particles in GH742 During High Temperature Treatment被引量：4
《Journal of Iron and Steel Research International》2009年第5期81-86,共6页LI Hong-yu SONG Xi-ping WANG Yan-li CHEN Guo-liang 
Sponsored by National Natural Science Foundation of China(50471097)
The coarsening and ageing hardening behaviors of γ′ particles in superalloy GH742 have been investigated by field emission scanning electron microscopy （FESEM）, coarsening kinetics calculation and microhardness te...
关键词：SUPERALLOY γ′ particle coarsening kinetics activation energy MICROHARDNESS 
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