caa a22 4500 465798624 CHVBK 20180323112045.0 cr unu---uuuuu 170327e19900701xx s 000 0 eng 10.1007/BF00796065 doi (NATIONALLICENCE)springer-10.1007/BF00796065 Interrelationship between the properties of powders, the pressing and sintering conditions, and the structure of porous niobium III. The porous structure of material of sintered niobium powders [Elektronische Daten] [Yu. Levinskii, A. Zaitsev, Ya. Polyakov, Yu. Patrikeev] Conclusions: In the initial stage of sintering of high-porosity compacts of niobium powder the average pore size increases, the fine pores disappear, and coarser pores than in the original compacts appear. There is a linear relationship between average pore radius and the total volume of pores for similar sintering conditions. The relationship between open and closed porosity after sintering is determined completely by the total porosity and does not depend upon sintering conditions. In sintering of high porosity specimens of dispersed niobium powders zonal isolation of the particles occurs. Plenum Publishing Corporation, 1990 Levinskii Yu Moscow Institute of Fine Chemical Technology, USSR aut Zaitsev A. Moscow Institute of Fine Chemical Technology, USSR aut Polyakov Ya Moscow Institute of Fine Chemical Technology, USSR aut Patrikeev Yu Moscow Institute of Fine Chemical Technology, USSR aut Soviet Powder Metallurgy and Metal Ceramics Kluwer Academic Publishers-Plenum Publishers 29/7(1990-07-01), 530-534 0038-5735 29:7<530 1990 29 11106 https://doi.org/10.1007/BF00796065 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00796065 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Levinskii Yu Moscow Institute of Fine Chemical Technology, USSR aut NATIONALLICENCE 700 1- Zaitsev A. Moscow Institute of Fine Chemical Technology, USSR aut NATIONALLICENCE 700 1- Polyakov Ya Moscow Institute of Fine Chemical Technology, USSR aut NATIONALLICENCE 700 1- Patrikeev Yu Moscow Institute of Fine Chemical Technology, USSR aut NATIONALLICENCE 773 0- Soviet Powder Metallurgy and Metal Ceramics Kluwer Academic Publishers-Plenum Publishers 29/7(1990-07-01), 530-534 0038-5735 29:7<530 1990 29 11106 Metadata rights reserved Springer special CC-BY-NC licence nationallicence SWISSBIB 465798624 BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer