The free surface velocity profile of AD95 ceramic target was measured through laser interferometry under one-dimensional plane strain shock compression.Whether failure wave happened and its relationship with material property were discussed by the analysis of velocity profile characteristic.In an im...

Axial compression on stainless steel spherical shells was performed under different loading styles by quasi-static tests, and the deformation energy of spherical shell was calculated.The stress distribution was observed through the photo elastic experiment so as to analyze the deformation model of h...

Changing the distribution of the thermal couple, a new experimental assembly, which is stable at extremely high temperatures, has been developed for the cubic press.Test experiments showed that at 5 GPa, this new experimental assembly can be stable at 1 600, 1 800 and 2 000 ℃ for more than 48 hours,...

We measured the electrical impedance spectra of two amphibole eclogite samples collected from Shangnan county of Shanxi province at 1.0 GPa within the frequency range of 10^-1-10⁶ Hz.The results indicate that the complex impedance depends on the frequency and temperature.At a given temperature, the m...

Using first-principles which base on density functional theory, systematacially research on the electronic structure and lattice dynamics of ternary intermetallic compounds CaAlSi under high pressure was conducted.The ternary intermetallic compounds CaAlSi has six angles honeycomb structure similar ...

Using a plane-wave pseudo-potential density functional theory method, the equilibrium and elastic properties of fcc and bcc ZrN structures under different pressures were studied.The relationship between enthalpy and pressure of fcc and bcc structures was also investigated, and their relative stabili...

Within the framework of hydrodynamic-elastoplastic model, equations were established to characterize the response behaviors of aluminum foam under explosive impact.In order to solve the equations, the equations were transformed into discrete Lagrange difference forms in uniform grid.The numerical ca...

Dust explosion experiments were carried out in a 5 L closed cylindrical vessel using cornstarch dispersed with compressed air and ignited by high-voltage spark, for further study of the factors which affect the dust explosion parameters.With different dispersion pressure, the influence of ignition d...

"Ablation mode" laser propulsion works on the counterforce generated during the interaction between high-power laser and propellant carried by thruster.The structural geometry of the nozzle of "ablation mode" laser propulsion thruster has important influence on the propulsion performance.The effect ...

In allusion to the question of damage assessment for KE-Rod penetration on target, a single-impact damage index model was proposed based on numerical results of KE-Rod penetration on target with different rod-angles(varying from -60° to 90° by step of 30°) and velocity-angles (varying from 0° to 75°...

20 L spherical explosion tank is one of the standard devices used to test the dust explosion characteristics parameters.The motion law of dust particle in closed space is useful for the study of the best ignition delay time in dust explosion.The dust flow process in 20 L spherical tank was investiga...

There is not a widely recognized theory which can explain the heat transfer of subcooled pool boiling under high pressure, so the mechanism of heat transfer of subcooled pool boiling is not clear.In order to disclosure the physical mechanisms of heat transfer for the subcooled nucleate pool boiling ...

The existing reactive flow Lagrange analysis methods are still inadequate to solve the particle velocity history from a series of gauges embedded in material.Based on this point, a new Lagrange analysis method combined the inverse analysis with self-consistent examination was presented.The theoretic...

As the unknown nature of mechanism of projectile penetrating the concrete target and the complexity of the mechanical properties of concrete, the projectile penetration concrete can be seen as a gray process.The establishment of methods and processes about the gray simulation and prediction model GM...

A one-dimensional model of lattice physical mechanics was built up to study the atomic thermal vibration in a constant volume state.According to the lattice dynamics model, An equation of state of solids which is similar to the Mie-Grüneisen's, was deduced absolutely from vibration mechanics.The mec...

The effect of raw material characteristics (Peach varieties) on the texture of canned yellow peach processed by high hydrostatic pressure (HHP) and thermal treatment was investigated.The results show that different varieties have no significant influence on the hardness of canned yellow peach proces...

We investigated the use of high hydrostatic pressure (HHP) processing for shucking abalone (Haliotis discus hannai Ino) and the changes in physical properties of HHP-shucked abalone.The results show that HHP is a very effective method for abalone shucking.Under the treatments of 200 MPa/1 min and 30...

High hydrostatic pressure(HHP) of 300, 450, 600 MPa was applied on waxy corn starch as a physical modification.The effects of high hydrostatic pressure on gelatinization and retrogradation properties of waxy corn starch were investigated.The appearance and particle size of the granules were studied ...