FIELD: metallurgy.
SUBSTANCE: metallurgical composition contains iron powder or powder on the basis of iron, lubricating and/or adhesion agent and carbon black in amount 0.001-0.2 wt %. Particles size of carbon black is less than 200 nm, preferentially less than 100 nm and most preferentially less than 50 nm. Specific surface area of carbon black is from 150 till 1000 m2/g.
EFFECT: improved properties of composition.
21 cl, 8 tbl, 5 ex
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|
RU2419514C2 |
PRODUCTION OF DIFFUSION-ALLOYED IRON POWDER OR IRON-BASED POWDER, DIFFUSION-ALLOYED POWDER, COMPOSITION INCLUDING DIFFUSION-ALLOYED POWDER, COMPACTED AND SINTERED PART MADE THEREOF | 2009 |
|
RU2524510C2 |
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LOW-ALLOYED STEEL POWDER | 2008 |
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FERRUM-VANADIUM POWDERY ALLOY | 2010 |
|
RU2532221C2 |
IRON BASE POWDER COMPOSITION INCLUDING COMPOUND OF LUBRICATING BINDER AND METHOD FOR PREPARING SUCH POWDER COMPOSITION | 2004 |
|
RU2314896C1 |
COMPOSITION TO IMPROVE MACHINABILITY | 2009 |
|
RU2529128C2 |
METHOD OF PRODUCING POWDER MIXTURE, WHICH IS READY FOR PRESSING OF METALLURGICAL PARTS | 2018 |
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RU2690127C1 |
Authors
Dates
2009-03-10—Published
2005-07-01—Filed