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evolution of AZ91D alloy LI Yuan-dong1, 2, CHEN Ti-jun1, MA Yin1, YAN Feng-yun1, 2, HAO Yuan1 (1. State Key Laboratory of Gansu Advanced Non-ferrous Metal Materials, Lanzhou University of Technology... phase particle in semi-solid slurry lie mainly on the formation and evolution of liquid phase during remelting of the alloy. As-cast microstructure of AZ91D alloy was improved with rare earth (RE) 0.5......
prospect, the relationship between the tectonic evolution and hydrocarbon accumulation conditions was analyzed based on the interpretation of the 2D seismic data. The tectonic evolution of Papuan... undergones tectonic evolution of four polycyclic tectonic evolution stages, i.e. intracontinental rift, gondwana continent dissociation, the Coral Sea expansion, Melanesia arc collision. Key words......
扩散条件下抽拉速率对Fe-4.2Ni合金定向凝固组织演化的影响冯周荣1,沈军1,王伟1,闵志先1,傅恒志1(1.陕西省西安市西北工业大学凝固技术国家重点实验室)摘 要:在内径为1 mm的细管中进行了Fe-4.2Ni亚包晶合金扩散条件下的定向凝固实验.在15μm/s抽拉速率下得到了树状组织,共生组织以及δ/γ两相分离生长的凝固组织,组织演化规律为:δ单相→δ/γ两相树状组织→γ+两相共生组织→δ/γ两相分离并列生长组织;抽拉速率为35μm/s时,获得了以γ岛状为主的凝固组织,组织演化规律为:δ单相→δ/γ两相树状......
; 文章编号:1672-7207(2016)08-2706-09 Characteristic of diagenesis and pore dense evolution of Chang 6 reservoir of Triassic Yanchang Formation, Ordos Basin REN Dazhong1,2, SUN Wei1, QU... to the feature of diagenetic evolution and the generalized geologic effect. By comparing the route of porosity evolution of Chang 6 sandstone reservoir in Jiyuan Oilfield and Huaqing Oilfield, the difference......
The Study on 400 MPa Class Plain Carbon Structure Steel DU Lin-xiu1,WANG Guo-dong1,LI Wei-juan2,ZHANG Hong-mei2,LI Sheng-li2 (1.State Key Lab of Rolling and Automatic, Northeastern University, Shenyang 110006, P.R. China;2.Anshan science and technology university, Anshan 114044) 摘要:New generation of structure steel has been developed to meet the uninterruptedly increasing needs of the economic......
Effect of Phase Structure Evolution on Thermal Expansion and Toughness of(Nd1-xScx)2Zr2O7(x=0,0.025,0.05,0.075,0.1) CeramicsXiaoxiang Zhao1,2,Lei Guo1,2,3,Caimei Wang1,2,Yu Zhang1,2,Fuxing Ye1,2,31..., and great effort has been made to enlarge its thermal expansion coefficient(TEC) and improve its toughness. In this study, Sc2O3 was doped to Nd2Zr2O7. The phase structure, TECs and toughness of((Nd1-xScx......
">In the present work, the coupled effects of initial structure and processing parameters on microstructure of a two-phase titanium alloy were investigated to predict the microstructural evolution...Phase fraction evolution in hot working of a two-phase titanium alloy: experiment and modelingXiao-Guang Fan1,2,Huo-Jun Zheng1,2,Peng-Fei Gao1,2,Mei Zhan1,2,Wen-Jia Mei1,21. School of Materials......
Article ID: 1003-6326(2005)02-0310-04 Photochemical synthesis of bimetallic Au-Ag nanoparticles with "core-shell" type structure by seed mediated catalytic growth DONG Shou-an(董守安), TANG Chun(唐 春) (Institute of Precious Metals, Kunming 650221, China) Abstract: The colloidal Au core/Ag shell structure composite nanoparticles were synthesized in PEG-acetone solution by photochemical......
Microstructure Evolution of a Single Crystal Nickel-Base Superalloy During Heat Treatment and Creep GUAN Heng-rong1,SUN Xiao-feng1,WANG Zhi-hui1,ZHAO Nai-ren1,YANG Da-yun JIN Tao1,HU Zhuang-qi1 (1.Institute of Metal Research, Chinese Academy of Sciences, Shenyang, China) 摘要:Microstructure evolution of a single crystal nickel-base superalloy during heat treatment and tensile creep at1010......
the initial period and a lower corrosion rate during the subsequent period, and the patina composition and structure can greatly affect the corrosion kinetics evolution of zinc coating. Moreover, Zn5(OH)6...Corrosion kinetics and patina evolution of galvanized steel in a simulated coastal-industrial atmosphereChuang Qiao1,2,Lianfeng Shen1,Long Hao2,Xin Mu2,Junhua Dong2,Wei Ke2,Jing Liu3,Bo Liu2,41......