Low Temperature Force Generating Apparatus Using Sylphon Bellows

Abstract

An apparatus is described in which a Sylphon bellows is used to generate pressures to 3400 atm or uniaxial forces to 1150 kg in the liquid helium temperature range without the use of mechanical compressors. Correction factors, operating procedures, and practical limitations of the design are discussed. The shift in transition temperature of indium is given as a test of the overall behavior of the apparatus.