Water-vapor effects on friction of magnetic tape in contact with nickel-zinc ferrite
Kazuhisa Miyoshi, Donald H. Buckley, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1984 - Technology & Engineering - 7 pages
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40-percent relative humidity abrasiveness admitting humid nitrogen ambient relative humidity coefficient of friction contact area contact with nickel-zinc deformation behavior different tracks Donald H dry and humid due to water Effect of humidity Effect on Friction experiments were conducted figure 3(a flooded with controlled flooded with dry flooded with humid friction as function friction behavior friction measured Friction of Magnetic friction remained low function of sliding humid nitrogen atmosphere humidities to 78 increasing relative humidity Kazuhisa Lewis Research Center low below 40-percent magnetic tape sliding Miyoshi mm/sec Multipass sliding friction NASA nickel-zinc ferrite pin nitrogen at 78-percent nitrogen at relative Normal load number of passes Particle pass sliding plastic deformation polycrystalline nickel-zinc ferrite polyester polyurethane rapidly with increasing shown in figure Single-pass sliding friction sliding against nickel-zinc sliding friction experiments sliding velocity surface softening tape contacts tape due tape in contact tape surface tape was preconditioned temperature vicinity surrounding Wear track obtained