Mechanical spectroscopy of icosahedral Al-Cu-Fe quasicrystals metal-based composites

被引：0
|
作者：
Fikar, J. [1 ]
Schaller, R. [1 ]
Guilbaud, N. [1 ]
Baluc, N. [1 ]
机构：
[1] Ecole Polytech. Federale de Lausanne, IGA, DP, CH-1015 Lausanne, Switzerland
来源：
Defect and Diffusion Forum | 2002年 / 203-205卷
关键词：
Aluminum alloys - Brittleness - Deposition - Internal friction - Particles (particulate matter) - Quasicrystals - Reinforcement - Spectroscopy - Sprayed coatings - Spraying - Steel - Substrates;
D O I：
10.4028/www.scientific.net/ddf.203-205.289
中图分类号：
学科分类号：
摘要：
Since the bulk AlCuFe quasicrystals are extremely brittle and therefore not suitable for mechanical spectroscopy, two different types of AlCuFe quasicrystals metal-based composites have been studied. One is AlMg3% based metal matrix composite reinforced with quasicrystalline particles and the second is a quasicrystalline coating deposited on a steel substrate using thermal spraying. The internal friction of these composites was measured in a forced torsion pendulum and in a free-free bar apparatus. The obtained results are discussed.
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页码：289 / 292
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