期刊
MATERIALS LETTERS
卷 196, 期 -, 页码 347-350出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.03.089
关键词
Selective laser melting; Metals and alloys; Scandium; Electrical conductivity; Microstructure; Nuclear magnetic resonance
资金
- Australian Research Council [IH130100008]
- Australian Research Council [IH130100008] Funding Source: Australian Research Council
Correlations between densification, hardness and electrical conductivity were investigated over a wide range of applied volumetric energy densities (E) for an Al-Mg-Sc-Zr alloy fabricated by selective laser melting. It is shown that porosity dominates electrical conductivity in the low E region up to 77 J/mm(3), while the contribution of solute in solution is more significant in the medium-high E region. Reasons for these differences are discussed and a linear relationship between electrical conductivity and densification in the absence of solute effects is presented. (C) 2017 Elsevier B. V. All rights reserved.
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