Preparation of lightweight glass microsphere/Al sandwich composites with high compressive properties

•The glass microsphere reinforced aluminum composites were first hot-pressed.•The glass microsphere can be evenly filled into the aluminum matrix.•The improved compression performance and energy absorption capacity were obtained. Glass microsphere/Al sandwich composites were manufactured by hot pres...

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Bibliographic Details
Published in:Materials letters 2022-02, Vol.308, p.131220, Article 131220
Main Authors: Wang, Zhiwei, Guo, Zhiyi, Yan, Yufu, Liu, Ying, Han, Shuangbin, Ji, Puguang, Yunusov, Firuz A., Tolochko, Oleg V., Yin, Fuxing
Format: Article
Language:English
Subjects:
Aluminum
Cellular structure
Composite materials
Compressive properties
Dynamic impact
Energy absorption materials
Glass microsphere/Al
Hot press sintering
Hot pressing
Materials science
Metal foams
Metallic composites
Microspheres
Powder technology
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Summary:•The glass microsphere reinforced aluminum composites were first hot-pressed.•The glass microsphere can be evenly filled into the aluminum matrix.•The improved compression performance and energy absorption capacity were obtained. Glass microsphere/Al sandwich composites were manufactured by hot pressing to investigate their microstructure and compressive properties depending on the hot-press pressures (10–20 MPa). At the proper hot-press pressure, the composites had the highest dynamic compressive properties and maximal peak stress at quasi-static compression. Compared to aluminum foam with similar density, glass microsphere/Al sandwich composites had better compressive properties mainly due to additional reinforcement with microspheres and the formation of a regular cellular structure.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2021.131220