The reason lies in that the melting point of PE is about 135uC. So PE separator totally melted down at 140uC. However, due to the relatively high heat deflection temperature (210uC, 0.45 MPa), the size of PEI based membrane shows no obvi- ous change throughout the testing process. ...
(c) The temperature vs. time profile is shown during fast thermal treatment, which causes the beta pleated sheet crystals (at point A) to become melted within a few tenths of a second, reversing the natural fiber spinning process, and restoring the material to the non-crystalline solid state...
Due to their outstanding inherent properties of high heat deflection temperature (HDT, which is the temperature at which a polymer or plastic sample deforms under a specified load; ISO 75-2) (more than 260°C), including good toughness and fluidity, HPAs can meet all these requirements of ...
To ensure the temperature uniformity of the high power chip 405, avoid creating a local hotspot, and raise the reliability of high power chip 405, micro-jet chamber 403 may contain the separator 408. The coolant sprays on the wall of micro-jet cavity 412 through via holes array on the ...
PE separator shrinks completely when the temperature is raised to 140°C. The reason lies in that the melting point of PE is about 135°C. So PE separator totally melted down at 140°C. However, due to the relatively high heat deflection temperature (210°C, 0.45 MPa), the size of...
For TiC/SiC, the maximum temperature is lower than the melting point, but it is still very high, which means that the lens is very likely to deform due to temperature loads and stresses. The maximum temperatures of B4C/SiC and Be/SiC lenses are both lower than 673 K and much lower ...
Regarding annealing, there was also a remarkable improvement in the heat deflection temperature in the systems subjected to annealing when compared to those that were not. The XRD and FTIR results proved that annealing increased the crystallinity of the sample; consequently, a decrease in mechanical ...
Effect of crystalline forms (α′ and α) of poly(lactic acid) on its mechanical, thermo-mechanical, heat deflection temperature and creep properties. Eur. Polym. J. 2016, 82, 232–243. [Google Scholar] [CrossRef] Jiang, L.; Wolcott, M.P.; Zhang, J. Study of Biodegradable Polylactide...
and can withstand the planned experiments after fabrication of the heat-exchange device (Table 2). The average value of tensile strength was 67.66 ± 1.31 MPa, the flexural stress at standard deflection was measured as 78.82 ± 1.17 MPa, while the Charpy impact test resulted in 20.70 ± 2.30...