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coupling was applied in the tunnel water-inrush tests. The results show that this similar material meets the requirement of model tests and can effectively simulate the catastrophe evolution process...岩溶隧道突水灾变演化机理及其应用研究[D]. 济南: 山东大学土建与水利学院, 2009: 79-86. LI Liping. Study on catastrophe evolution mechanism of karst water inrush and its engineering application of high risk karst tunnel[D]. Jinan......
AZ31-xCu(x=0,0.5,1.5,3)合金XRD谱 Fig. 2 XRD patterns of AZ31-xCu (x=0, 0.5, 1.5, 3) alloys 图3 AZ31-xCu(x=0,0.5,1.5,3)合金浸泡在氯化钠溶液中12 h Fig. 3 Hydrogen evolution (a) and mass loss... hydrogen evolution rate of 275 mL/(cm2·d-1) and corrosion current density of 698 μA/cm2. Key words: AZ31-xCu alloy; AlCuMg phase; corrosion rate; micro-galvanic cathode; anodic magnesium matrixe......
by compound casting method, and the microstructure evolution, phase constitution and bonding strength at the interface were investigated. It is found that a good metallurgical bonding can be achieved... Meng, DU Feng-shan. Evolution of bonding interface in solid–liquid cast-rolling bonding of Cu/Al clad strip [J]. Transactions of Nonferrous Metals Society of China, 2017, 27(5): 1019-1025. [15] CHU......
of a mixture of Al and TiC with the help of TIG arc as heat source. The microstructural evolution of the alloyed layer on the AZ91 alloy was analysed through SEM and XRD technique. The micro-hardness... and applying a layer of Al-TiC powder mixture on the substrate surface. The microstructural evolution during the surface alloying was analysed through SEM images of the alloyed layer and XRD technique......
in the matrix of a two-phase material were simulated and quantitatively analyzed. The results show that the evolution of the microstructure will be pinned by the second phase particle. When the volume......
: In order to study the composition segregation regions in bulk metallic glass, small angle X-ray scattering (SAXS) technique and differential scanning calorimetry (DSC) were used to investigate the evolution......
of soldering temperature and dwell time on IMC evolution were investigated. The equation of the relationship between IMCs thickness and soldering conditions including soldering temperature and dwell time......
. By integrating the excellence of the artificial immune algorithm and the genetic algorithm, an new artificial immune-genetic hybrid algorithm was proposed, and its evolution game of the genetic algorithm......
simulation rolling technology. Microstructure evolution of the alloys under different rolling processes was studied by optical microscopy(OM) and X-ray diffractometry(XRD).The results show that, by thermal......
; Abstract: Ag-Sn-Cu-Bi-Ni alloy was internally oxidized in air. The phase constitution, surface morphology and microstructure evolution of the alloy......