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Physics of Metals and Metallography
Erschienen in: Physics of Metals and Metallography 13/2021

18.08.2021 | STRUCTURE, PHASE TRANSFORMATIONS, AND DIFFUSION

Effect of TiH2 Oxidation Treatment on Foamed Aluminum Alloys Produced by Selective Laser Melting

verfasst von: Jintao An, Changjun Chen, Min Zhang

Erschienen in: Physics of Metals and Metallography | Ausgabe 13/2021

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Abstract

Closed-cell foamed aluminum alloys were manufactured using selective laser melting (SLM), wherein TiH2 was selected as the foaming agent. The effects of oxidation treatment and content changes of TiH2 on the porosity, pore size distribution and microstructure of the foamed aluminum alloys were studied. The results showed that with increasing TiH2 content, the porosity of the foamed aluminum alloy first increased and then decreased, and the number of pores increased, forming a greater number of micron-sized pores. Moreover, with increasing TiH2 content, the pore size range became more concentrated, and the shape of the pores became more regular. The microhardness value of the manufactured foamed aluminum alloy was between 100 and 130 HV, and the TiH2 content did not have any obvious effects on the hardness value. The results of the compression experiments revealed that the materials manufactured by SLM had energy absorption characteristics and exhibited brittle fracture.
Vorheriger Artikel Monitoring of the Interaction of Aluminum Alloy and Sodium Chloride as the Basis for Ecological Production of Expanded Aluminum
Nächster Artikel Microstructure and Compressive Properties of Co21Cu16Fe21Ti21V21 High Entropy Alloy

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Metadaten
Titel
Effect of TiH2 Oxidation Treatment on Foamed Aluminum Alloys Produced by Selective Laser Melting
verfasst von
Jintao An
Changjun Chen
Min Zhang
Publikationsdatum
18.08.2021
Verlag
Pleiades Publishing
Erschienen in
Physics of Metals and Metallography / Ausgabe 13/2021
Print ISSN: 0031-918X
Elektronische ISSN: 1555-6190
DOI
https://doi.org/10.1134/S0031918X2113007X

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