| 摘要 |
FIELD: engines and pumps.SUBSTANCE: invention relates to powder materials based on iron for stages of submersible centrifugal pumps. Material contains 0.1-0.9 wt% of carbon, 6.0-26.0 wt% of nickel, 0.9-9.1 wt% of molybdenum, 0.06-2.75 wt% of tungsten and iron - balance.EFFECT: decreased residual porosity of structure of material after sintering, high mechanical strength and hardness of material.1 cl |
