نتایج جستجو برای: thermal deformation
تعداد نتایج: 285446 فیلتر نتایج به سال:
in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...
In this report, we illustrate the design concept of the small-offset(1mm) virtual channel-cut monochromator. The monochromator is specially designed for Sub-micron X-ray Diffraction Beamline at Taiwan Photon Source. It can offer a monochromatic beam with the resolving power better than 5000 in the range of 7 keV–25 keV and allows the beamline to cycle between the polychromatic and monochromatic...
Deformation mechanisms of as-deposited and post-annealed Ti50.2Ni49.6, Ti50.3Ni46.2Cu3.5 and Ti48.5Ni40.8Cu7.5 thin films were investigated using the in situ synchrotron X-ray diffraction technique. Results showed that initial crystalline phases determined the deformation mechanisms of all the films during tensile loading. For the films dominated by monoclinic martensites (B19'), tensile stress...
Thermally-assisted compaction of granular materials is of keen interest in many engineering applications. A proper estimation of the material behavior of compacted granular materials is contingent upon the knowledge of microstructure formation, which is highly dependent on the bulk material properties and processing conditions, during the deformation stage. Originating from the pair interaction...
The purpose of this study was to characterize the deformation properties of a range of long-term denture soft lining materials using dynamic mechanical thermal analysis. Specimens were subjected to sinusoidal shear deformation at a frequency of 1 Hz and a strain of 64 microns peak to peak over a temperature range of 30-70 degrees C. The technique simulated the type and rate of deformation soft ...
The time a nucleus needs to populate its deformation space is ruled by dissipation, that is, the transfer of energy between intrinsic and collective degrees of freedom. The study of fission allows for gaining information on the strength of dissipation within a broad range of deformation. For small deformations, the hindrance of fission caused by dissipation starts to be remarkable only at high ...
This paper reports an efficient ‘Finite Element analysis (FEA)’ simulation model to study the line heating process for simulating the manufacturing process of doubly curved structures. The simulation model is implemented with commercially available software (Ansys *TM Mechanical APDL) and the source of thermal energy is assumed to be a ‘Gaussian’ distributed heat flux.The temperature dependent ...
In order to compute the thermal deformation of the hydrostatic thrust bearing in the heavy type CNC equipments, a numerical research concerning temperature field of multi-pad hydrostatic thrust bearing having sector cavity, rectangular cavity, Ishaped cavity and ellipse cavity is described. Three-dimensional temperature field of gap fluid between the rotation worktable and the base has been sim...
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