SU1691720A1 - Method of determining the material relaxation continuous spectra - Google Patents

Method of determining the material relaxation continuous spectra Download PDF

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Publication number
SU1691720A1
SU1691720A1 SU864070200A SU4070200A SU1691720A1 SU 1691720 A1 SU1691720 A1 SU 1691720A1 SU 864070200 A SU864070200 A SU 864070200A SU 4070200 A SU4070200 A SU 4070200A SU 1691720 A1 SU1691720 A1 SU 1691720A1
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SU
USSR - Soviet Union
Prior art keywords
determining
relaxation
spectra
frequency
continuous
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Application number
SU864070200A
Other languages
Russian (ru)
Inventor
Вайрис Давидович Штраус
Алдис Васильевич Калпиньш
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Институт Механики Полимеров Ан Латв.Сср
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Priority to SU864070200A priority Critical patent/SU1691720A1/en
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Publication of SU1691720A1 publication Critical patent/SU1691720A1/en

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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

Изобретение относитс  к технике исследовани  релаксационных свойств полимерных и других материалов, в частности к определению непрерывных спектров механической и диэлектрической реакции этих материалов. Целью изобретени   вл етс  упрощение способа определени  непрерывных спектров релаксации. Способ реализуетс  при помощи устройства, которое содержит перестраиваемый генератор 1 синусоидальных сигналов, делители частоты 2, 3 и 4, умножители частоты 5, 6 и 7, усилители 8-14 с заданным коэффициентом усилени , коммутатор 15, измерительный преобразователь с измер емым образцом 16 и блок измерени  амплитуд сигналов отклика 17. 2 илThe invention relates to a technique for studying the relaxation properties of polymeric and other materials, in particular, to determining the continuous spectra of the mechanical and dielectric reaction of these materials. The aim of the invention is to simplify the method for determining continuous relaxation spectra. The method is implemented using a device that contains a tunable oscillator 1 of sinusoidal signals, frequency dividers 2, 3 and 4, frequency multipliers 5, 6 and 7, amplifiers 8-14 with a given gain factor, switch 15, a measuring transducer with the measured sample 16 and Amplitude measurement signal response unit 17. 2 or

Description

М 19 M 19

Claims (1)

Формула изобретенияClaim Способ определения непрерывных спектров релаксации материалов, основанный на воздействии на измерительный преобразователь, в котором размещен исследуемый материал, синусоидальными тестовыми сигналами и измерении амплитуд сигналов откликов, о т л и ч а ющийся тем, что, с целью упрощения определения спектров релаксации, частоты тестовых сигналов устанавливают согласно закону геометрической прогрессии со значением частоты среднего члена прогрессии обратным заданному времени релаксации, а значение непрерывного спектра релаксации определяют алгебраическим суммированием амплитуд сигналов откликов, при этом амплитуды тестовых сигналов Кп устанавливают согласно выражению:A method for determining continuous relaxation spectra of materials, based on the effect on the measuring transducer in which the test material is placed, by sinusoidal test signals and measuring the amplitudes of response signals, which consists in that, in order to simplify the determination of relaxation spectra, the frequency of test signals set according to the law of geometric progression with the frequency of the middle term of the progression inverse to the specified relaxation time, and the value of the continuous relaxation spectrum is determined elyayut algebraic summation of amplitudes of response signals, the test signal amplitude K f is set according to the expression: ιζ _ _____Ап п I Ho(jWn)r где I HoQWn) I - модуль комплексной частоной характеристики измерительного преобразователя:ιζ _ _____ Ap n IH o (jWn) r where I HoQWn) I is the module of the complex frequency response of the measuring transducer: Ап- постоянные коэффициенты.An are constant coefficients.
SU864070200A 1986-03-05 1986-03-05 Method of determining the material relaxation continuous spectra SU1691720A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU864070200A SU1691720A1 (en) 1986-03-05 1986-03-05 Method of determining the material relaxation continuous spectra

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU864070200A SU1691720A1 (en) 1986-03-05 1986-03-05 Method of determining the material relaxation continuous spectra

Publications (1)

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SU1691720A1 true SU1691720A1 (en) 1991-11-15

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SU864070200A SU1691720A1 (en) 1986-03-05 1986-03-05 Method of determining the material relaxation continuous spectra

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SU (1) SU1691720A1 (en)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Отнес Р., Эноксон П. Прикладной анализ временных р дов. Основные методы. М.:Мир, 1982, с. 428. *

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