Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 34, Issue 3, Pages 436-439Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2017.10.014
Keywords
Undercooling; Density; Liquid metal and alloy; Levitation
Funding
- National Natural Science Foundation of China [51327901, 51474175, 51522102, 51734008]
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The density of liquid Inconel 718 alloy was experimentally measured by electrostatic levitation technique, where the maximum undercooling of 100 K was realized for the commercial sample. The measured density of liquid Inconel 718 alloy is 7.39 g cm(-3) at the liquidus temperature of 1663 K which was confirmed by DSC experiment, with the linear temperature coefficient of -6.89 x 10(-4) g cm(-3) K-1. Correspondingly, four ternary Ni-Cr-Fe compositions were designed to simulate the density of liquid Inconel 718 alloy with 16000 atoms, from which the liquid structure is revealed by pair distribution function. The predicted result shows a remarkable enhancement with the decrease of temperature at the first neighbor distance. (C) 2017 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
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