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Experimental determination of cooling rates in selectively laser-melted eutectic Al-33Cu AITranslate

Simon Pauly; Pei Wang; Uta Kühn; Konrad Kosiba
Institute for Complex Materials; Institute for Complex Materials; Institute for Complex Materials; Institute for Complex Materials
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Publisher: Elsevier
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Abstract AITranslate

The cooling rates inherent to selective laser melting (SLM) were experimentally determined by processing the eutectic Al-33Cu (wt.%) alloy. Two different parameter sets yielding an identical volumetric energy density were employed to produce the samples. Based on the average spacing of the Al and CuAl2 lamellae, the cooling rates in different parts of the SLM specimens were estimated. At a high laser power (300 W) the cooling rate amounts to 104 K/s and at the lower laser power (200 W) to 105 K/s. The present approach proves to be useful for exploring the thermal history of additively manufactured metallic components. Graphical abstract Download : Download high-res image (177KB) Download : Download full-size image

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DOI：https://doi.org/10.1016/j.addma.2018.05.034

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The cooling rates inherent to selective laser melting (SLM) were experimentally determined by processing the eutectic Al-33Cu (wt.%) alloy. Two different parameter sets yielding an identical volumetric energy density were employed to produce the samples. Based on the average spacing of the Al and CuAl2 lamellae, the cooling rates in different parts of the SLM specimens were estimated. At a high laser power (300 W) the cooling rate amounts to 104 K/s and at the lower laser power (200 W) to 105 K/s. The present approach proves to be useful for exploring the thermal history of additively manufactured metallic components. Graphical abstract Download : Download high-res image (177KB) Download : Download full-size image

quote

GB/T 7714-2015 [1] Simon Pauly, Pei Wang, Uta Kühn, et al. Additive Manufacturing, 2018(22). DOI:10.1016/j.addma.2018.05.034.
MLA [1] Simon Pauly, et al., Additive Manufacturing, no. 22, 2018, https://doi.org/10.1016/j.addma.2018.05.034.
APA [1] Simon Pauly, Pei Wang, Uta Kühn, & Konrad Kosiba. (2018). Additive Manufacturing(22). https://doi.org/10.1016/j.addma.2018.05.034
IEEE [1] Simon Pauly, Pei Wang, Uta Kühn, and Konrad Kosiba, Additive Manufacturing, no. 22, 2018, doi: 10.1016/j.addma.2018.05.034.