NDLI: Structure and mechanical properties of mechanically alloyed Al/Al-Cu-Fe composites

Content Provider	Springer Nature Link
Author	Kaloshkin, S. D. Tcherdyntsev, V. V. Laptev, A. I. Stepashkin, A. A. Afonina, E. A. Pomadchik, A. L. Bugakov, V. I.
Copyright Year	2004
Abstract	Quasicrystalline (QC) powder was prepared by mechanical alloying and subsequent annealing of Al$_{65}$Cu$_{23}$Fe$_{12}$ composition. Obtained quasicrystals were milled together with pure aluminium in the ratios of Al-20 wt% QC and Al-10 wt% QC. A hot consolidation of samples was performed under pressure of 4.5 GPa at elevated temperatures. X-ray diffraction study of the as-consolidated samples shows that the quasicrystalline phase remained in the samples if consolidation temperature was lower than 500°C. Consolidation at higher temperatures results in disappearing of the QC and formation of crystalline phases, such as Al$_{2}$Cu and Al$_{7}$Cu$_{2}$Fe by reaction between QC and aluminium matrix. SEM study of microstructure of the composite alloys shows an absence of open porosity in the consolidated bulk samples. Besides rather large particles of reinforcing phase of about 20 μm there are also very small particles of less than 1 μm. The uniformity of particles distribution in the matrix increases with increase in the milling duration. Microhadrness measurements and compression tests were performed, an effect of the treatment parameters on the compressive strength was studied.
Starting Page	5399
Ending Page	5402
Page Count	4
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	39
Issue Number	16-17
e-ISSN	15734803
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Industrial Chemistry/Chemical Engineering Characterization and Evaluation Materials Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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