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  • Effect of the different climate environments on the sound and vibration damping properties as well as on mechanical strength of PUR based foams used both in automotive and aerospace industries was presented. Influence of the different temperature and humidity conditions on frequency dependence of complex modulus of elasticity, damping, sound absorption coefficient, thermal stability and selected mechanical characteristics (hardness, deformability, tensile strength, Young´s modulus etc.) were discussed. It was found that the latter physico-chemical parameters are strongly dependent on applied climate conditions. For acoustic measurements were used Brüel & Kjaer measuring setups (Kund´s tube, vibrator and signal analyzer). Thermal stability both in air as well as nitrogen atmospheres was determined on DTG 60/60H, Shimadzu, mechanical properties on tensile test machine Instron.
  • Effect of the different climate environments on the sound and vibration damping properties as well as on mechanical strength of PUR based foams used both in automotive and aerospace industries was presented. Influence of the different temperature and humidity conditions on frequency dependence of complex modulus of elasticity, damping, sound absorption coefficient, thermal stability and selected mechanical characteristics (hardness, deformability, tensile strength, Young´s modulus etc.) were discussed. It was found that the latter physico-chemical parameters are strongly dependent on applied climate conditions. For acoustic measurements were used Brüel & Kjaer measuring setups (Kund´s tube, vibrator and signal analyzer). Thermal stability both in air as well as nitrogen atmospheres was determined on DTG 60/60H, Shimadzu, mechanical properties on tensile test machine Instron. (en)
Title
  • Measurement of the Acoustic Properties of PUR Based Damping Materials
  • Measurement of the Acoustic Properties of PUR Based Damping Materials (en)
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  • Measurement of the Acoustic Properties of PUR Based Damping Materials
  • Measurement of the Acoustic Properties of PUR Based Damping Materials (en)
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  • RIV/70883521:28610/11:43865441!RIV12-MSM-28610___
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  • RIV/70883521:28610/11:43865441
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  • Polyurethanes, Thermal Analysis, TG/DTG, Degradation, Acoustic Properties, Dynamic Modulus of Elasticity (en)
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  • Lapčík, Lubomír
  • Lapčíková, Barbora
  • Vašina, Martin
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  • 28610
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