In Situ Observation of Coupled Growth Morphologies in Organic Peritectics Under Pure Diffusion Conditions

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In Situ Observation of Coupled Growth Morphologies in Organic Peritectics Under Pure Diffusion Conditions. / Mogeritsch, Johann Peter; Sillekens, Wim; Ludwig, Andreas.
TMS 2022 151st Annual Meeting & Exhibition Supplemental Proceedings. 2022.

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Mogeritsch JP, Sillekens W, Ludwig A. In Situ Observation of Coupled Growth Morphologies in Organic Peritectics Under Pure Diffusion Conditions. in TMS 2022 151st Annual Meeting & Exhibition Supplemental Proceedings. 2022 doi: 10.1007/978-3-030-92381-5_136

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@inproceedings{ba1439338ecd4567957e70892a776224,
title = "In Situ Observation of Coupled Growth Morphologies in Organic Peritectics Under Pure Diffusion Conditions",
abstract = "Isothermally coupled peritectic solidification for a hyper-peritectic alloy under pure diffusive conditions is presented. For this purpose, directional solidification experiments were performed aboard the International Space Station using a model system for peritectic layer solidification patterns. At constant temperature gradient of 3.0 K/mm and for pulling velocities ranging from 0.12 μm/s to 0.09 μm/s, coupled peritectic growth was observed. At lower pulling velocities, contrary to expectations, only a planar solidification front of the pro-peritectic phase was detected. Two effects were noticed: a significant effect of the pro- peritectic interface on the capability of the peritectic phase to nucleate and, in the further course of theexperiments, a dynamic change of the coupled peritectic growth microstructure.",
keywords = "Peritectic solidification, International space station, Microgravity, TRIS-NPG",
author = "Mogeritsch, {Johann Peter} and Wim Sillekens and Andreas Ludwig",
note = "{\textcopyright} 2022, The Minerals, Metals & Materials Society",
year = "2022",
doi = "10.1007/978-3-030-92381-5_136",
language = "English",
booktitle = "TMS 2022 151st Annual Meeting & Exhibition Supplemental Proceedings",

}

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TY - GEN

T1 - In Situ Observation of Coupled Growth Morphologies in Organic Peritectics Under Pure Diffusion Conditions

AU - Mogeritsch, Johann Peter

AU - Sillekens, Wim

AU - Ludwig, Andreas

N1 - © 2022, The Minerals, Metals & Materials Society

PY - 2022

Y1 - 2022

N2 - Isothermally coupled peritectic solidification for a hyper-peritectic alloy under pure diffusive conditions is presented. For this purpose, directional solidification experiments were performed aboard the International Space Station using a model system for peritectic layer solidification patterns. At constant temperature gradient of 3.0 K/mm and for pulling velocities ranging from 0.12 μm/s to 0.09 μm/s, coupled peritectic growth was observed. At lower pulling velocities, contrary to expectations, only a planar solidification front of the pro-peritectic phase was detected. Two effects were noticed: a significant effect of the pro- peritectic interface on the capability of the peritectic phase to nucleate and, in the further course of theexperiments, a dynamic change of the coupled peritectic growth microstructure.

AB - Isothermally coupled peritectic solidification for a hyper-peritectic alloy under pure diffusive conditions is presented. For this purpose, directional solidification experiments were performed aboard the International Space Station using a model system for peritectic layer solidification patterns. At constant temperature gradient of 3.0 K/mm and for pulling velocities ranging from 0.12 μm/s to 0.09 μm/s, coupled peritectic growth was observed. At lower pulling velocities, contrary to expectations, only a planar solidification front of the pro-peritectic phase was detected. Two effects were noticed: a significant effect of the pro- peritectic interface on the capability of the peritectic phase to nucleate and, in the further course of theexperiments, a dynamic change of the coupled peritectic growth microstructure.

KW - Peritectic solidification

KW - International space station

KW - Microgravity

KW - TRIS-NPG

U2 - 10.1007/978-3-030-92381-5_136

DO - 10.1007/978-3-030-92381-5_136

M3 - Conference contribution

BT - TMS 2022 151st Annual Meeting & Exhibition Supplemental Proceedings

ER -