impregnating the component the component has interconnected porosity thereby providing sufficient lubricant receiving capacity the component may have a density of between 5 5 and 6 5 g cm 3 nc100 24 iron powder was mixed with an oxidised bronze 9 parts cu and 1 part sn the ratio cu sn being 9 1 in two different amounts to form three different samples the bronze powder has a particle size distribution of x 50 2 2 u03bcm and 9 4 u03bcm respectively x 50 denotes the average particle size by weight in order to prevent the segregation of the fine particles 0 1 peg400 has been used as binder the mixture was annealed for 90 minutes at 800 u00b0 c h2 atmosphere the annealed powder was then crushed milled and sieved at 212 u03bcm screens the content of bronze was 20 by weight sample 1 and 2 and 25 by weight sample 3 the new materials were mixed with 0 8 ethylenebis stearamide before pressing the powder was pressed at 400 mpa and the components rectangular parts 90 u00d7 12 mm h 5 mm was sintered at 830 u00b0 c for 20 minutes in an atmosphere of dissociated ammonia 75 h2 25 n2 nc100 24 iron powder was mixed with 20 pre alloyed bronze powder 90 cu and 10 sn additive with a particle size below 160 u03bcm and 0 8 ethylenebis stearamide the powder was pressed at 400 mpa and the components rectangular parts 90.