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    VARIATION OF IMPACT TOUGHNESS OF AS-BUILT DMLS TI6AL4V (ELI) SPECIMENS WITH TEMPERATURE

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    VARIATION OF IMPACT TOUGHNESS.pdf (1.297Mb)
    Date
    2018
    Author
    Muiruri, Amos
    Maringa, Maina
    Du Preez, Willie
    Masu, Leonard
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    Abstract
    The response of direct metal laser sintering (DMLS) produced Ti6Al4V (ELI) to impact was investigated using an instrumented Charpy impact test machine and V-notch specimens. Impact toughness testing was conducted over the temperature range of -130oC to 250oC. The effect of the orientation of the V-notch, with reference to the base plate, was investigated. The results indicated that the samples that were produced with the V-notch facing the base plate (LO) had better values of impact toughness than those that were produced with the V-notch facing away from the base plate (UP) over most of the test temperatures. The study further established that as-built DMLS Ti6Al4V (ELI) retains appreciable notch toughness, even at extremely low temperatures.
    URI
    http://dx.doi.org/10.7166/29-3-2076
    http://repository.mut.ac.ke:8080/xmlui/handle/123456789/6707
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    • Journal Articles (EN) [98]

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