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2. Important technical notes... 5 3. General ...
The sintering of each sample was performed at two different sintering temperatures of 650 °C and 700 °C in an argon atmosphere at a heating rate of 50 °C/min, applied pressure of 50 MPa, dwelling time of 5 min, input power supply of 456.5 VAC, and cycling of 50 H. The mold ...
The lubricant (M14V2 engine oil) supply rate and viscosity were 0.2 g/min and 14 mm2/s, respectively. Six characteristics for each sample were recorded: score-resistance, running-in ability, alloy wear, steel counter body wear, friction coefficient, and temperature. ...
The power supply produces electric current flowing through graphite punches, sintered powder, and particularly through a graphite die. Therefore, the die and the punches are made of an electrically conductive material, which must be able to resist high temperature and pressure. The powder is located...