t ure d ependence of Young's a nd the shear modu lus of 18 t hori a specimens of p orOSltlCS ra ngm g from 3.7 to 39.4 p ercent ha ve been m easured by t he d yna mic resona nce m ethod. The t emperat ure ran ge of th e m eas urem ents was from 25 to 1,300 0. Th e moduli d ecreased with in cr ea sing temperature in gen era l accordance wit h the p attern obser ved fo r other polycrystalli ne m ate rials. Th e r elati ve decrease in modulus wi th tem perat ure for all t he m aterials was essen tia lly indep endent of porosity up to a bou t 800 e. Above t his temperat ure the r elative decr ease in modulus for t h e hi gh porosity specimens tended to be more rapid t han for the low p orosity sp ecimens. Also, P oisso n's ratio for a ny a rt icular specimen r ema ined consta nt over t he ent ire temperature ra nge of m eas uremen t.
No takes yet. Share an insight, caveat, or question.
Spinner et al. (1963) studied this question.