Microstructural evolution and mechanical properties of maraging steel produced by wire + arc additive manufacture process

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dc.contributor.author Xu, Xiangfang
dc.contributor.author Ganguly, Supriyo
dc.contributor.author Ding, Jialuo
dc.contributor.author Guo, Shun
dc.contributor.author Williams, Stewart W.
dc.contributor.author Martina, Filomeno
dc.date.accessioned 2017-12-21T11:55:59Z
dc.date.available 2017-12-21T11:55:59Z
dc.date.issued 2017-12-06
dc.identifier.citation Xu X, Ganguly S, Ding J, Huo S, Williams S, Martina F, Microstructural evolution and mechanical properties of maraging steel produced by wire + arc additive manufacture process, Materials Characterization, Volume 143, September 2018, Pages 152-162 en_UK
dc.identifier.issn 1044-5803
dc.identifier.uri http://dx.doi.org/10.1016/j.matchar.2017.12.002
dc.identifier.uri http://dspace.lib.cranfield.ac.uk:8080/handle/1826/12819
dc.description.abstract Wire + arc additive manufacture is developed for producing large-scale metallic components. In this paper, maraging steel parts were produced, and the microstructure and mechanical properties were investigated. The microhardness and tensile strength of the as deposited alloy reduced from the bottom to the top due to the transient thermal cycling, which resulted in partial aging and non-uniform formation of intermetallic compounds along the building direction. Solutionizing, followed by 3 h aging, significantly reduced the microstructural heterogeneity and increased the mechanical properties by 24.7% through the formation of large amounts of finely distributed precipitates. The as deposited alloy possessed superior strength to the wrought alloy in solutionized condition but inferior to the later in aged condition, which was attributed to the less pronounced aging response of the low-angle columnar grains characterized microstructure and the presence of retained and reverted austenite. en_UK
dc.language.iso en en_UK
dc.publisher Elsevier en_UK
dc.rights Attribution-NonCommercial-NoDerivatives 4.0 International *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/ *
dc.subject Wire + arc additive manufacture en_UK
dc.subject Maraging steel en_UK
dc.subject Precipitates en_UK
dc.subject Mechanical properties en_UK
dc.subject Heat treatment en_UK
dc.title Microstructural evolution and mechanical properties of maraging steel produced by wire + arc additive manufacture process en_UK
dc.type Article en_UK


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