Effect of carbon content on friction and wear of cast irons
Donald H. Buckley, Lewis Research Center, United States. National Aeronautics and Space Administration
National Aeronautics and Space Administration, Scientific and Technical Information Office, 1977 - Technology & Engineering - 19 pages
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2.5 millimeter diameter 32 percent carbon 50 grams 50 percent relative alloying elements amount of graphite apparatus argon atmosphere carbon in gray cast iron microstructural centimeters per minute Coefficient of friction containing 4.32 percent CONTENT ON FRICTION decrease in friction decreases with increasing dry sliding duration effect of carbon elements on wear experiments were conducted ferrous alloys figure 11 friction and wear friction behavior function of carbon graphite content graphite flakes graphite in gray gray cast iron hour humidity to 50 increase in carbon increasing carbon iron containing 4.32 iron is lubricating iron oxide ledeburite eutectic Lewis Research Center Mating surface steel mineral oil pearlitic matrix Percent carbon 1.0 percent relative humidity photomicrograph presented in figure resistance to wear results obtained sensitive to moisture sliding velocity smeared spheroidal graphite surface steel ball temperature wear characteristics wear experiments WEAR OF CAST wear of gray wear track white cast iron wrought steels