General Concept of Thermal Vacuum Tests of Space-Appliance Elements at Helium Temperatures

Vshivkov, A. Yu.; Делков, А В; Kishkin, A. A.; Лавров, Н. А.

doi:10.1007/s10556-018-0483-2

Chem Petrol Eng

2018

DOI: 10.1007/s10556-018-0483-2

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General Concept of Thermal Vacuum Tests of Space-Appliance Elements at Helium Temperatures

A. Yu. Vshivkov

А В Делков

A. A. Kishkin

et al.

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“…2). Two successive experiments are conducted at 100 and 200°C, with 15-min heating to the specified temperature, 30-min holding, and cooling of the chamber in air [14][15][16].…”

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confidence: 99%

Study of Mechanical Properties of a Magnetorheological Elastomer for an Active Vibration Isolation System

et al. 2021

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“…2). Two successive experiments are conducted at 100 and 200°C, with 15-min heating to the specified temperature, 30-min holding, and cooling of the chamber in air [14][15][16].…”

mentioning

confidence: 99%

Study of Mechanical Properties of a Magnetorheological Elastomer for an Active Vibration Isolation System

et al. 2021

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Gas Analysis of Magnetorheological Elastomer During Vacuum Degassing

Bazinenkov

Efimov

Rotar

et al. 2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Research conducted in a vacuum requires high accuracy, but multiple vibrational and shock disturbing effects adversely affect the results. To increase the accuracy, it is possible to install a vibration isolation system in a vacuum chamber. One of the promising areas of active vibration isolation is the use of intelligent materials in them, including magnetorheological elastomer (MRE). Since most studies need to be carried out in a high and ultra-high vacuum environment, it is necessary to know the degree of influence of the MRE gas release on the quality of the operation environment. Thus, the aim of the work was to analyze the spectrum of released gases during degassing of the polymer (MRE) in vacuum at room and elevated temperatures. It was found that increased gas evolution from the studied polymer sample with increasing temperature does not allow to achieve high vacuum (1,7 · 10−3 Torr). We also identified that gases with the highest partial pressures are part of the atmospheric air; there are other gases not analyzed that significantly affect the total pressure (have a pressure of the order of 10−3 – 10−4 Torr).

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General Concept of Thermal Vacuum Tests of Space-Appliance Elements at Helium Temperatures

Cited by 2 publications

References 0 publications

Study of Mechanical Properties of a Magnetorheological Elastomer for an Active Vibration Isolation System

Study of Mechanical Properties of a Magnetorheological Elastomer for an Active Vibration Isolation System

Gas Analysis of Magnetorheological Elastomer During Vacuum Degassing

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