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The W–4.9Ni–2.1Fe–xDy2O3 heavy alloy was fabricated by high-energy ball milling and spark plasma sintering (SPS) technique, and the microstructure, mechanical and friction behavior and anti-corrosion ability were investigated by scanning electron microscope (SEM), Rockwell hardness tester, X-ray diffraction (XRD), reciprocating friction and wear tester, electrochemical station, etc. The results show...
Os–Ir–Al alloy was fabricated by powder metallurgy technique. IrAl and OsIr interalloys were synthesized to reduce the Al evaporation and ensure the composition of the ternary alloy. Analysis on microstructures shows that each component is distributed homogeneously, and the green density reaches 94.9 %. Ba–W cathodes with Os–Ir–Al alloy magnetic sputtered on the tips are prepared and directly current...
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