Journal
MATERIALS LETTERS
Volume 213, Issue -, Pages 374-377Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.11.016
Keywords
Electron beam freeform fabrication; Functional; Microstructure; Dissimilar materials; Gradient materials; Copper and steel
Funding
- National Natural Science Foundation of China [51774106]
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Additive manufacturing of copper and steel gradient materials by electron beam freeform fabrication is a novel exploration. T2 copper was deposited on AISI-304 stainless steel in the experiment and the gradient depositions were obtained successfully. The results showed that the distribution of iron element was more uniform with the increase of copper layers. No iron-rich a phase could be found when the number of copper layer was greater than three. The supersaturated epsilon phases precipitated in globular a phases while there was no e phase found in dendritic one. FeCu4 metastable phases were found in the depositions duo to low cooling rate and ordering transformation. (C) 2017 Elsevier B.V. All rights reserved.
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