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wires (AT-3) [8,50] 5 Interface chemistry of Mg-Li matrix composites Interface, a transition region from the matrix to the reinforcement, is an extremely significant microstructure for composites... the interface, which improved the mechanical properties of composites [41]. In Mg-Li composites reinforced with "Nicalon" fibers containing 15 wt.% C and 25 wt.% Si, the microstructure was highly unstable......
焊合良好. 图3 同步轧制后Al/Al试样结合面的OM和SEM像 Fig. 3 OM and SEM images of welding interface of Al/Al sample after symmetrical rolling 第二阶段异步轧制Al/Al试样焊合情况如图4所示.其中,图4(a)是经过1道次异步轧制后的Al/Al试样纵截面的OM形貌,压下率ε...; (1) 图4 异步轧制不同压下率下Al/Al试样界面焊合和分离的OM像 Fig. 4 OM images of interface welding and separation of Al/Al samples after asymmetrical rolling at different reduction rates......
Interface properties and phase formation between surface coated SKD61 and aluminum alloys Se-Weon CHOI1, Young-Chan KIM1, Se-Hun CHANG1, Ik-Hyun OH1, Joon-Sik PARK2, Chang-Seog KANG1 1... used SKD61 mold undergoes a circumstance of repetitive thermal fatigue during die-casting. The direct observations and analyses of the interface have not been clearly identified......
Microstructure and synthesis mechanism of Al-Ti-C-Sr master alloy ZHAO Hong-liang(赵红亮), WANG Jun(王 军), SONG Yong(宋 勇), GUAN Shao-kang(关绍康) School of Materials Science and Engineering, Zhengzhou...; Abstract: Al-5Ti-0.5C-8Sr (mass fraction, %) master alloy was prepared using a melt reaction method. The microstructure and synthetic......
of temperature and external stress/strain were evaluated on the solvus boundary of Al3Sc in Al-Sc alloy, and the interface energy of Al/θ'' in Al-Cu alloys. Results show that applying tensile strain/stress... mechanisms are expected to play important roles during stress/strain aging. Key words: stress aging; solubility limit; interface energy; first-principles 1 Introduction Precipitation hardening, also called......
of the highest interface temperature that has been commonly used to predict phase and its morphologies. Hunziker et al[9] proposed a microstructure selection map for Fe-Ni peritectic systems giving... in Fig.4. Fig.5 shows the solid/liquid interface morphologies these samples at different growth rates. A planar interface microstructure is formed at the growth rate of 1.94×10-6m/s, as shown......
Experimental Study of Microstructure Evolution during Tempering of Quenched Steel and Its Application CHEN Nan1,SHI Wei1,YAO Ke-fu1,WANG Hong-peng1 (1.Mechanical Engineering Department, Tsinghua University, Beijing 100084, P.R. China) 摘要:Microstructure evolution during tempering of quenched steel was studied via dilatometric experiments.Temperature ranges of transformation were determined......
, presenting microstructure of composite (b); formed interfacial transition layer (c); EDS pattern of alloy particles with different distances from bonding interface inside AN30 after infiltration (d): (d1.... Moreover, the metallurgical bonding and interfacial reactive bonding also play a key role on the stability of the bonding interface. Key words: pressureless infiltration; steel/alumina composites......
and inhibit the diffusion of Ag. The results reveal that Au film pre-deposited for 6 min as inner electrode was sufficient to improve the interface microstructure and therefore to inhibit the Ag diffusion...Effect of Au film pre-deposited at different durations as inner electrode on the electrical properties and interface microstructures of Na2O-PbO-Nb2O5-SiO2 multi-layer glass-ceramic capacitorsJun ZHU......
:A Atomic bonding in interface of pre-β″and β″ phase and properties of Al-Mg-Si alloy GAO Ying-jun, WEI Na, HUANG Li-lin, HUANG Chuang-gao (School of Physics Science and Engineering, Guangxi University, Nanning 530004, China) Abstract: The atomic bonding, interface combination factor, crystal cohesive energy, interface energy between the precipitation and matrix were calculated......
