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In this report the study of the elasticity stresses arising in the composite system “porous silicon –etching solution” will be discussed. For this purpose, the modified etching cell with piezoelectric transducer was adopted It was shown that the thermally induced pressures of the liquid confined inside of pores influenced dramatically on the time-domain shape of voltage signal detected on electrodes...
Gifford-McMahon (G-M) cryocoolers are applied to cool down superconducting magnets. Operation conditions of a G-M cryocooler are restricted by the magnetic field. This limitation strongly affects the cryogen free magnet design. The paper presents the performance test results of a commercial G-M cryocooler with a cooling power of 1.5W at 4.2K (RDK-415 from SHI) in magnetic field. The cryostat with...
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