2015
DOI: 10.4028/www.scientific.net/msf.816.682
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Preparation and Characterization of Amorphous Al-Based Metal Foams

Abstract: Amorphous Al-Cu-Ti metal foams with the porosity of 65% were prepared by spark plasma sintering with both the diameter and height of 10 mm. The SPS process was carried out under the pressure, the dwell time and the temperatures of 300 MPa, 5min and 623-673K, respectively. The microstructure and mechanical behavior of the amorphous Al-Cu-Ti metal foams were investigated. The results showed that sintering at high temperatures improved the crystallinity and adhesion between particles. The intermetallic compounds,… Show more

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“…Aluminum-based amorphous alloys with low density, high wear and corrosion resistance, high strength, high toughness, and other metals' incomparable excellent physical, chemical, and mechanical properties have attracted widespread attention and in-depth research. Al-based amorphous alloys exhibit excellent mechanical properties due to their atomic disordered internal structure, with tensile breaking strength (900~1100 MPa) and Vickers hardness (300~380 HV) greatly exceeding that of conventional crystalline aluminum alloys (up to 600 MPa and 150 HV, respectively) [1][2][3] . Most of the metal coatings at this stage are manufactured by thermal spraying process.…”
Section: Introductionmentioning
confidence: 99%
“…Aluminum-based amorphous alloys with low density, high wear and corrosion resistance, high strength, high toughness, and other metals' incomparable excellent physical, chemical, and mechanical properties have attracted widespread attention and in-depth research. Al-based amorphous alloys exhibit excellent mechanical properties due to their atomic disordered internal structure, with tensile breaking strength (900~1100 MPa) and Vickers hardness (300~380 HV) greatly exceeding that of conventional crystalline aluminum alloys (up to 600 MPa and 150 HV, respectively) [1][2][3] . Most of the metal coatings at this stage are manufactured by thermal spraying process.…”
Section: Introductionmentioning
confidence: 99%