Abstract
Rational layout of nets and enhancement of solid-phase wire joints is shown to lead to the growth of the interlayer strength and effective thermal conductivity through the porous net materials thickness, and also to the anisotropy reduction in the sheet plane. It is established that the highest possible interlayer strength of blanks is achieved by the preliminary chemical etch of nets, increase of vacuum level, optimization of temperature and strain rate under solid-phase joint conditions. Manufacturing conditions of sheet porous net materials with high interlayer strength by diffusion welding and net roll welding in vacuum-treated envelopes are found. Manufacturing procedures of argon-arc welding and electron-beam welding for liners of vaporizer-exchangers and stamp-welded filters for the liquid purification of mechanical impurities are elaborated.
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