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  1. No Access

    Article

    High temperature surface oxidation response of Ni50Ti49Ta1 and Ni50Ti47Ta3 shape memory alloys

    The phase transformation characteristics and isothermal oxidation behavior of ternary Ni50Ti49Ta1 (at.%) and Ni50Ti47Ta3 (at.%) alloys were investigated through differential scanning calorimetry and thermogravime...

    E. Acar, M. Kok, M. Gündüz in Applied Physics A (2020)

  2. No Access

    Article

    Effect of growth rate and Mg content on dendrite tip characteristics of Al–Cu–Mg ternary alloys

    An experimental analysis is presented to correlate the secondary dendrite arm spacing λ 2 and dendrite tip radius R with growth rate V and Mg content C 0-Mg of Al–C...

    A. Berkdemir, M. Gündüz in Applied Physics A (2009)

  3. No Access

    Article

    Directional cellular growth of Al-2 wt% Li bulk samples

    Al-2 wt% Li alloy was prepared using metals of 99.99% high purity in the vacuum atmosphere. The bulk samples were directionally solidified upward with a constant growth rate, V, (∼8.30 μm/s) and different tempera...

    H. Kaya, E. Çadırlı, M. Gündüz in Applied Physics A (2009)

  4. No Access

    Article

    Dendritic Growth in an Aluminum-Silicon Alloy

    Unidirectional solidification experiments have been carried out on an Al-3 wt.% Si alloy as a function of temperature gradient, G and growth rate, V. The samples were solidified under steady-state conditions with...

    H. Kaya, E. Çadırlı, M. Gündüz in Journal of Materials Engineering and Performance (2007)

  5. No Access

    Article

    Effect of growth rate and lamellar spacing on microhardness in the directionally solidified Pb-Cd, Sn-Zn and Bi-Cd eutectic alloys

    Lead-cadmium, Zinc-tin and Bismuth-cadmium of (99.99%) high purity eutectic alloys were melted in a graphite crucible under vacuum atmosphere. These eutectic alloys were directionally solidified upward with a ...

    H. Kaya, M. Gündüz, E. Çadirli, O. Uzun in Journal of Materials Science (2004)

  6. No Access

    Article

    Effect of the temperature gradient, growth rate, and the interflake spacing on the microhardness in the directionally solidified Al-Si eutectic alloy

    An alloy of composition Al-12.6 wt.% Si was prepared using metals of 99.99% purity. Weighed amounts of aluminium and silicon were melted in the vacuum-melting furnace. This irregular eutectic alloys were direc...

    H. Kaya, E. Çadırh, M. Gündüz, A. Ülgen in Journal of Materials Engineering and Performance (2003)

  7. No Access

    Article

    Effect of growth rates and temperature gradients on the spacing and undercooling in the broken-lamellar eutectic growth (Sn-Zn eutectic system)

    The Sn-Zn system has a eutectic structure of a broken lamellar type. Dependence of the broken-lamellar spacing λ and the undercooling ΔT on V and G were investigated, and the relationship between them was examine...

    H. Kaya, E. Çadırlı, M. Gündüz in Journal of Materials Engineering and Performance (2003)

  8. No Access

    Article

    The directional solidification of Pb-Sn alloys

    Directional solidification experiments have been carried out on different Pb-Sn alloys as a function of temperature gradient G, growth rate V and cooling rate GV. The specimens were solidified under steady state ...

    E. Çadirli, M. Gündüz in Journal of Materials Science (2000)

  9. No Access

    Article

    Production of Si3N4 by carbothermal reduction and nitridation of sepiolite

    A study was undertaken to determine the optimum parameters for production of Si3N4 powders by carbothermal reduction and nitridation (CTRN) of Turkish sepiolite. Test samples were prepared by mixing 99% purity...

    H. Arik, S. Saritas¸, M. Gündüz in Journal of Materials Science (1999)