pulbertooriku paagutusprotsess/-operatsioon ilma täiendava surve rakendamiseta; see välistab tiheduse ebaühtlast jaotus pulbertoorikus mis on iseloomulik surve toel paagutuse protsessidele (vt paagutus; vrd surve toel paagutus), the sintering of a powder compact without applied pressure; this avoids density variations in the final component which may occur with pressure-assisted sintering methods (see: sintering; compare: pressure-assisted sintering)