Listar Revista Politechnê por autor "Rivera, Ramón"
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High Density Plasma Nitriding on Stainless Steel Alloys at PUPR-MC Plasma Machine
Rivera, Ramón; Colmenares, Franklyn; Lleonart Dávila, Giovanni; Leal, David; Gaudier, Jorge; González Lizardo, Ángel E.; Leal Quirós, Edbertho; Burgos Saldaña, Gilmer (Polytechnic University of Puerto Rico, 2008)A novel method of nitriding at high current levels at Polytechnic University of Puerto Rico Mirror Cusp plasma machine (PUPR-MC) has been performed. Nitrogen ions implantation or plasma nitriding increases the hardness at ... -
Mass Spectrometric Study of Various Coated Targets Utilizing PUPR-MC Plasma Machine for NASA Solar Probe Space Mission
Lleonart Dávila, Giovanni; Leal Quirós, Edbertho; González Lizardo, Ángel E.; Gaudier, Jorge; Rivera, Ramón (Polytechnic University of Puerto Rico, 2008)The NASA Solar Probe Space Mission will be a historic operation, flying for the first time into one of the last unexplored regions of the solar system, the Sun's atmosphere or corona; hopefully revolutionizing our knowlege ... -
Plasma Gas Identification Using the Single Langmuir Probe
Sánchez, Samuel; Gaudier, Jorge R.; Rivera, Ramón; Colmenares, Franklin; Lleonart, Giovanni; Carrera, Miguel A.; Molina, Omar (Polytechnic University of Puerto Rico, 2008)A novel method to identify mass composition of plasmas was discovered at Polytechnic University of Puerto Rico Mirror Cusp (PUPR-MC) plasma machine using a Single Langmuir probe characteristic. This is a comparative method ...