Elastic solids having reversible stress-induced fluidity

Abstract

Elastic solids having reversible stress-induced fluidity are prepared, e.g., by combining liquid formulations with a crystalline mixed metal hydroxide conforming substantially to the formula Li.sub.m D.sub.d T(OH).sub.(m+2d+3+n.multidot.a) (A.sup.n).sub.a .multidot.xH.sub.2 O where m is amount of Li, d is amount of divalent metal D, T is a trivalent metal, A represents at least one anion or negative-valence radical of valence n and a is the amount of A, and xH.sub.2 O represents excess waters of hydration, if any. These make useful coatings. The instantly reversible fluidization of these unique elastic solids may be expressed as: .sigma.=k.sub..alpha. .epsilon. when .epsilon.<F, for the solid phase; and .sigma.=f(d.epsilon.'/dt) when .epsilon.'>F, (this equation represents a generalized form for the usual theological equations); for a cycle of .epsilon., -xF <.epsilon.<xF, and when .epsilon.' equals 0 the liquid phase changes back to the solid phase, and where the symbol .sigma. represents stress; k.sub..alpha. represents an elastic spring constant for the solid phase, .epsilon. and .epsilon.' are strain and F is critical strain.

Dependencies are inferred from the claim text.