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This paper presents a solid barrier burst mining face the idea of explosive devices, the device can be installed in the arched roadway, rectangular roadway and trapezoidal roadway. To explaining the device's structure and operation principle. And ceramic foam was chosen as solid explosive material barrier, through the ANSYS finite element analysis software for explosive devices simulation analysis...
The influence of soft interlayer to composite foundation is researched through FEM analysis in the paper. From the result of study, we can see that the soft interlayer is more thick, the stress in the pile of composite foundation is more strong; the soft interlayer can amplify the pile shaft friction resistance; the law of the soft interlayer influence the subsidiary stress in soil between piles is...
The effect of the adhesive thickness on the stress distribution in the mid-bondline of the adhesively-bonded steel/steel butt joint under impact loading is analyzed using finite element method (FEM). The results show that the stress distributed in bondline near the interface was significantly affected by the adhesive thickness. When the adhesive thickness increased from 0.2 mm to 0.8 mm, the peak...
In this paper, we present a novel electrical test structure for determining the thermal expansion coefficients (TECs) of micromachined polysilicon thin films. The electrothermal properties of the test structure are analyzed. The pull-in method is exploited in characterizing TECs of thin films. In addition, an analytical model and a measurement method are developed. The finite element software ANSYS...
In order to slow down the formidable shearing stress which is caused by the heavy traffic conditions of the heavy load, the heavy tire pressure, the high velocity and so on under the wheel load, especially to solve the wheel rut problems of bituminous concrete pavement under the channel traffic, this article will analyze and research the maximum shearing stress in the semi-rigid basic unit and heavy...
Simulation is the important method for shock-resistant ability design of shipboard equipment. And shipboard equipment shock-resistant ability is the one of important factor of ship life ability. Four-missile launcher resistant shock ability has been evaluated by American navy dynamic design analysis method (DDAM). The four-missile launcher has maximal value of displacement at Z direction, and has...
the text analyses the rule of load transmission of squeezed branch plate pile group foundation under horizon load by using the 3D elastic-plasticity finite element model. The results obtain relative displacement between pile and soil, bending moment of piles, and curves of soil resistance in different position, different step load and different deepness. The results show that: relative displacement...
Silicon Chromium (SiCr) has been used for years in the form of Thin Film Resistors (TFR) due to their high resistance in thin film form, low TCR and the ability to carry relatively high current densities. Historically industry has placed the SiCr TFR on top of the silicon wafer or on top of a process stack comprised of 0.6 ??m of Silicon Dioxide, SiO2, plus the silicon wafer. The next generation processes...
In the semiconductor industry to increase the power density, improve the electrical performances and optimize the robustness in the application, more and more key roles are covered by back-end processes and in particular by bonding technology used to connect power silicon chip and metallic leadframe that for Power devices is one of more impacting process. The performed studies, evaluations and production...
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