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  1. No Access

    Article

    Solid state interfacial reactions of Ti3Al with Si3N4 and SiC

    Solid state interfacial reactions of Ti3Al with Si3N4 and SiC have been studied via both bulk and thin film diffusion couples at temperatures of 1000 and 1200 °C. The nature of reactions of Ti3Al with Si3N4 and S...

    T. C. Chou, A. Joshi in Journal of Materials Research (1992)

  2. No Access

    Article

    Erosion of diamond films and graphite in oxygen plasma

    The nature and rates of erosion of diamond, graphite, and diamond-like carbon (DLC) films exposed to oxygen plasmas were evaluated by comparison of surface morphological changes and weight losses. The RF plasm...

    A. Joshi, R. Nimmagadda in Journal of Materials Research (1991)

  3. No Access

    Article

    Solid state reactions of SiC with Co, Ni, and Pt

    Solid state reactions between SiC ceramics and Co, Ni, and Pt metals have been studied at temperatures between 800 and 1200 °C for various times under He or vacuum conditions. Reactions between the metals and ...

    T. C. Chou, A. Joshi, J. Wadsworth in Journal of Materials Research (1991)

  4. No Access

    Article

    Role of microstructure on the oxidation behavior of microwave plasma synthesized diamond and diamond-like carbon films

    Oxidation kinetics of microwave plasma assisted CVD diamond and diamond-like carbon (DLC) films in flowing oxygen were evaluated in the temperature range of 500 to 750 °C and were compared with those of graphi...

    Rao R. Nimmagadda, A. Joshi, W. L. Hsu in Journal of Materials Research (1990)

  5. No Access

    Article

    The nucleation and morphology of diamond crystals and films synthesized by the combustion flame technique

    The nucleation and morphology of diamond crystals and films synthesized by the use of a combustion flame have been investigated. By operating an oxy-acetylene torch in a fuel-rich mode, diamond crystals and fi...

    K. V. Ravi, C. A. Koch, H. S. Hu, A. Joshi in Journal of Materials Research (1990)

  6. No Access

    Article

    Reaction between niobium and silicon carbide at 1373 K

    The reaction zone formed between niobium and silicon carbide during heating for 4 h at 1373 K was examined by transmission electron microscopy (TEM) and Auger electron spectroscopy (AES). The typical reaction ...

    D. L. Yaney, A. Joshi in Journal of Materials Research (1990)

  7. No Access

    Article

    Microstructural evaluation of arc-melted Al-Li-Be alloys

    A microstructural investigation has been carried out on a series of small castings of arc-melted Al-Li-Be alloys. The alloy composition included amounts of lithium up to 3wt% and beryllium up to 10wt%. Optical...

    J. Wadsworth, A. Joshi, D. D. Crooks, A. E. Vidoz in Journal of Materials Science (1986)

  8. No Access

    Article

    Microstructural evaluation of arc-melted Al-Li-Be alloys

    A microstructural investigation has been carried out on a series of small castings of arc-melted Al-Li-Be alloys. The alloy composition included amounts of lithium up to 3wt% and beryllium up to 10wt%. Optical...

    J. Wadsworth, A. Joshi, D. D. Crooks, A. E. Vidoz in Journal of Materials Science (1986)