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Microscopic phase-field simulation for precipitation behavior of Ni-Al-Cr alloy during two-step aging ZHANG Ji-xiang(张济祥), CHEN Zheng(陈 铮), LIANG Min-jie(梁敏洁), WANG Yong-xin(王永欣), LAI Qing...; Abstract: Based on the microscopic phase-field model, the pre-aging temperature effects on the precipitation mechanism and microstructure evolution during two-step aging for Ni75Al9Cr16 alloy were......
alloy with temporal evolution of atom morphology and ordering parameters. The microscopic phase-field kinetic model has made great success in simulating the morphological evolvement of precipitation[5-8... Microscopic phase-field simulation coupled with elastic strain energy for precipitation process of Ni-Cr-Al alloys with low Al content LU Yan-li(卢艳丽), CHEN Zheng(陈 铮), LI Yong-sheng(李永胜), WANG......
including the elastic strain[5-7]. The coarsening behavior of ternary nickel bases alloy was studied based on the microscopic phase-field kinetic model in this work. The morphology evolution... The microscopic phase-field kinetic model describes atomic structure morphology by single-site occupation probability. Let PA(r, t), PB(r, t) and PC(r, t) represent the probabilities of finding......
Computer simulation of γ′ and θ phase precipitation of Ni-Al-V alloy using microscopic phase-field method LI Yong-sheng(李永胜), CHEN Zheng(陈 铮),WANG Yong-xin(王永欣), Lu Yan-li(卢艳丽) (School... and are quickened with temperature decreasing. Key words: microscopic phase-field; precipitation; atomic configuration; ordering; spinodal decomposition; simulation CLC number: TG111.5 Document code: A 1 ......
Microscopic phase-field simulation of atomic site occupation in ordering process of NiAl9Fe6 alloy LIANG Min-jie(梁敏洁), CHEN Zheng(陈 铮), ZHANG Ji-xiang(张济祥), WANG Yong-xin(王永欣) School of Materials... was simulated by using microscopic phase-field method for the low supersaturation NiAl9Fe6 alloy. It is found that in the γ′ phase, the ordering degree of Al atoms is obviously higher than that of Fe atoms......
A transmission electron microscopy study of microscopic causes for localized-corrosion morphology variations in the AA7055 Al alloyX.B.Yang1,2,J.H.Chen1,G.H.Zhang1,L.P.Huang1,T.W.Fan1,Y.Ding1,X... 要:By Using(scanning) transmission electron microscopy, localized-corrosion morphology variations of the AA7055 AlZn(Cu)Mg alloy with different thermal......
Microscopic characterization of semi-solid aluminium alloysYa-lin Lu1,2),Miao-quan Li1),Xing-cheng Li2),and Xiao-ping Li2) 1) School of Materials Science and Engineering,Northwestern Polytechnical... evolution and element distribution of the Al-4Cu-Mg alloy during semi-solid compression were investigated,and the precipitate behavior and dislocation morphology were discussed.The experimental results......
:Ce3+ phosphor was prepared by sol-gel low-temperature combustion method. The effects of the precursor properties and calcining temperature on the crystallization process, microscopic morphology...; crystallization; microscopic morphology ......
is expanded. Key words: in-mold hybrid molding; thermoplastic matrix; bending strength; microscopic morphology 纤维增强热塑性复合材料具有质量小,比强度高,热膨胀系数低,可回收和尺寸稳定性强等性能,广泛应用于汽车轻量化领域[1-2].由于汽车零部件种类多,如何加工成型高性能复杂结构零部件成为研究重点... of injection molding process parameters on bending strength of specimens 图5 PA66熔体温度对连接界面微观形貌的影响 Fig. 5 Effect of PA66 melt temperature on microscopic morphology of interface 图6 CFRT加热温度对连......
Microscopic Pore and Filling Performance of Coal Gangue Cementitious Paste王忠昶1,2,WANG Zechuan1,ZHAO Wenting11. School of Civil and Safety Engineering,Dalian Jiaotong University2. The State Key... effect. The particles surface of coal gangue was fragmental and flake deposit with irregular shape and uneven fold morphology. It was easy to be bonded with the surface of other filling material......
