FIELD: technologies for testing properties of materials.
SUBSTANCE: in method for determining compositions of friable bi-quinary systems of filled type with core sizes in fractions d1>d2>d3>d4>d5 and size relations of cores d2/d1,d3/d2,d4/d3,d5/d4 less than 0.155 fractions volume is determined for binary systems V1=1m3,V2=V1·Y1Ve1,m3,Y1=1-d2/d1, for ternary systems V1=1m3,V2=V1·Y1Ve1,m3,V3=V2·Y2Ve2,m3,Y1=1-d2/d1,Y2=1-d3/d2, for quaternary systems V1=1m3,V2=V1·Y1Ve1,m3,V3=V2·Y2Ve2,m3,V4=V3·Y3Ve3, m3,Y1=1-d2/d1,Y2=1-d3/d2,Y3=1-d4/d3, for quinary systems V1=1m3,V2=V1·Y1Ve1,m3, V3=V2·Y2Ve2,m3, V4=V3·Y3Ve3,m3,V5=V4·Y4Ve4, m3,Y1=1-d2/d1,Y2=1-d3/d2,Y3=1-d4/d3,Y4=1-d5/d4, where V1,V2,V3,V4,V5 - fraction volume with core size respectively d1,d2,d3,d4,d5,m3, Y1, Y2, Y3, Y4, - value of level of fill grade of empty space of fractions with greater core sizes by fractions with lesser core sizes, dimensionless quantity, limits of measurement of which are within range 0<Y≤1, Ve1, Ve2, Ve3, Ve4 - fraction emptiness value with core size respectively d1,d2,d3,d4 - dimensionless quantity.
EFFECT: higher efficiency.
10 ex, 2 tbl
