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The thermoelastic state of a bi-material with an open gas-filled interface crack

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The thermoelastic behavior of a bi-material with a gas-filled interface crack is investigated. The bi-material is subjected to a uniform tensile load and a uniform heat flow. The gas exerts pressure on the crack surfaces and offers thermal resistance proportional to the crack opening. The gas state is assumed to be described by the ideal gas law. The effects of gas mass, gas thermal conductivity and heat flux on the crack opening, interface temperature jump, gas pressure and stress intensity factors are analyzed. It is revealed that a bi-material with a heat-conducting crack exhibits the heat flow directional effect.
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Bibliogr. 23 poz., rys.
  • Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, NASU, Lviv, Ukraine ,
  • Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, NASU, Lviv, Ukraine
  • Pidstryhach Institute for Applied Problems of Mechanics and Mathematics, NASU, Lviv, Ukraine
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Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).
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