Analysis of the Effect of Hydromass Acidity on the Process of Filtration and Precipitation of Aluminum Oxide in Short-Fiber Basalt Heat Insulation

This work shows the potential of highly porous thermal insulation made of short basalt super-thin fibers chopped using liquid technology for insulating cryogenic piping. The effective heat conductivity coefficient, maximum-permissible porosity and insulation density were determined for short basalt fibers with a mean diameter of 1.88 mcm and a length of 1.0–1.5 mm, taking into account radiation heat transfer. The results of compression tests are presented for highly porous flat insulation samples made of short basalt fibers without binding agents and those reinforced with Al2O3. It is established that the thermal insulation material containing a binding agent has the strength, elasticity modulus and elastic compression deformation two times higher than samples without a mineral binding agent.

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Analysis of the Effect of Hydromass Acidity on the Process of Filtration and Precipitation of Aluminum Oxide in Short-Fiber Basalt Heat Insulation

Cited by 2 publications

References 4 publications

Determination of the permeability coefficient in the Darcy formula for liquid molding of thermal insulation products from quartz fibers

Determination of the permeability coefficient in the Darcy formula for liquid molding of thermal insulation products from quartz fibers

An Evaluation of Performance Characteristics of Short-Fiber Basalt Insulation at Cryogenic Temperatures

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