Пластмассы. Определение характеристик затухания и комплексного модуля с помощью колебаний
Название (англ.):
Plastics; Determination of damping properties and complex modulus by bending vibration
Описание (англ.):
Specifies a bending vibration method for determing the damping properties and complex modulus of homogenous and laminated plastics especially intended for acoustical insulation. The test is performed on bars or stoilps which are either vertically arranged, one end being clamped, or are supported horizontally by thin threads in two vibration nodes. The specien is submitted to forcedvibrations in a freqency range between about 100 and 1000 Hz. From the resonance curve the storage modulus and the loss factor shall be calculated.
Заменён стандартами:
ISO 6721-1(1994.11)*ISO 6721-3(1994.11)*ISO 6721-4(1994.11)*ISO 6721-7(1996.06)*ISO 6721-10(1997.08)