نتایج جستجو برای: cycling temperature
تعداد نتایج: 483122 فیلتر نتایج به سال:
Surface modification of 1,4-polybutadiene and cis-1,4-polyisoprene to introduce polar functional groups provided surfaces that reconstructed reversibly against water as a function of temperature. These surfaces became hydrophobic in contact with hot water, but their original hydrophilicity returned upon equilibration against cold water. Repeated cycling between hot and cold water, however, led ...
The success of the high temperature power electronic applications depends on the power device reliability. The increasing thermal demands, like in hybrid electric cars, require power devices operating at junction temperatures above their common level of 125 C. The thermal cycles generated in standard modules in such conditions induce several failure mechanisms in their package and chips. This a...
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