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Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves
(AREA)
Investigating Strength Of Materials By Application Of Mechanical Stress
(AREA)
Description
Предмет изобретени Subject invention
Способ определени динамического модул упругости материалов, заключающийс в том, что испытуемый образец жестко закрепл ют на вибраторе, возбуждают в образце вынужденные колебани , измер ют амплитуду колебаний образца, по которой суд то модуле упругости материала, отличающийс The method for determining the dynamic modulus of elasticity of materials, which consists in that the test specimen is rigidly fixed on the vibrator, excites forced oscillations in the specimen, measures the amplitude of oscillations of the specimen, according to which the elastic modulus of the material differing
тем, что, с целью ускорени определени искомых характеристик в различных направлени х анизотропного материала, в качестве испытуемого образца используют круговую крыльчатку, лепестки которой имеют призматическую форму, закрепл ют ее в центре и последовательно измер ют искомые характеристики в каждом лепестке.In order to accelerate the determination of the desired characteristics in different directions of anisotropic material, a circular impeller is used as a test sample, the petals of which have a prismatic shape, fix it in the center and successively measure the desired characteristics in each petal.
SU1800321A1972-06-191972-06-19
The method of determining the dynamic modulus of elasticity of the material
SU493700A1
(en)
Determining stresses in cantilever fatigue specimens with audio-frequency loading when end restraint elasticity is taken into account(Stress determination by vibration measurement in cantilever specimens fatigue tests with audio frequency loading, taking into account end restraint elasticity)