Yazar "Altinbalik, MT" seçeneğine göre listele

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    An investigation on forging loads and metal flow in conventional closed-die forging of preforms obtained by open-die indentation
    (Natl Inst Science Communication, 2004) Can, Y; Altinbalik, MT; Akata, HE
    In this paper, an experimental study has been carried out to investigate the effectiveness of the usage of the open die indented specimen as preforms of conventional closed die forging. Cylindrical billets having two different aspect ratios (H-0/D-0) are indented with two different ratios and thereafter forged using a conventional closed-die set-tip. Effects of indentation and aspect ratios on forging load and on die filling have been observed and compared with reported results.
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    Three point load application in single tooth bending fatigue test for evaluation of gear blank manufacturing methods
    (Elsevier Sci Ltd, 2004) Akata, E; Altinbalik, MT; Çan, Y
    This study deals with the applicability of a single tooth bending fatigue test in the evaluation of gear blank manufacturing methods using three point bending loading. The single tooth bending test is an effective and rapid way of determination of the performances of gears instead of expensive and time-consuming life tests. Bending tests were applied to two groups of gears cut by hobbing and gear shaving from gear blanks. The first group of gear blanks was obtained by CNC-lathe machining from round bars and the second group of blanks was produced by closed-die upsetting. Both of the gear groups were additionally tested after case hardening by carburizing. It was shown that the three point bending test can easily be adapted and applied as an effective and rapid way of comparing the performances of such gears. (C) 2003 Elsevier Ltd. All rights reserved.