Journal ArticleDOI
Investigations on the hot workability characteristics and deformation mechanisms of aluminium alloy-Al2O3 nanocomposite
L. Saravanan,T. Senthilvelan +1 more
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TLDR
In this article, a hot deformation behavior analysis of an extruded aluminium alloy-Al2O3 nanocomposite is presented, and the constitutive equations relating the strain rate and flow stress were developed for the fabricated nanocompositionite.About:
This article is published in Materials & Design.The article was published on 2015-08-15. It has received 45 citations till now. The article focuses on the topics: Strain rate & Aluminium alloy.read more
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Hot deformation behavior and processing map of a new type Al-Zn-Mg-Er-Zr alloy
TL;DR: In this article, the stable and unstable regions in the processing maps of Al-Kn-Mg-Er-Zr alloy were identified based on the comprehensive consideration of the strain rate sensitivity m, power dissipation efficiency η and instability criterion ξ ( e ˙ ).
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Effect of pre-treatment on hot deformation behavior and processing map of an aged nickel-based superalloy
TL;DR: In this article, the effects of pre-treatment on the hot deformation behavior and processing maps of two pre-treated nickel-based superalloys are investigated over wide ranges of strain rate and temperature.
Journal ArticleDOI
The identification of dynamic recrystallization and constitutive modeling during hot deformation of Ti55511 titanium alloy
TL;DR: In this article, an internal variable identification approach has been proposed to investigate the dynamic recrystallization (DRX) behavior during hot deformation and corresponding constitutive model has been constructed.
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Hot deformation behavior and mechanism of hybrid aluminum-matrix composites reinforced with micro-SiC and nano-TiB2
TL;DR: In this article, hot compression tests of hybrid aluminum-matrix composites reinforced with micro-SiC and nano-TiB2 were performed at deformation temperature of 350-500°C and strain rates of 0.001-1s−1 on Gleeble-3500 system.
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Mechanical characterization of B4C reinforced aluminum matrix composites produced by squeeze casting
TL;DR: In this paper, the effect of squeezing pressure and the amount of B4C added on machinability and mechanical properties, average chip length and surface roughness of the samples were evaluated and hardness measurements were accomplished, yield and ultimate tensile strengths were determined, respectively.
References
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Journal ArticleDOI
Recent development in aluminium alloys for aerospace applications
TL;DR: In this article, the authors investigated new processing routes and new alloy chemistries for aircraft materials, which offer major improvements in ductility, toughness, fatigue performance and in reduction of residual stress in large dimension plate and sheet products.
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Microstructure and mechanical properties of Al-Al2O3 micro and nano composites fabricated by stir casting
TL;DR: In this article, a three-step mixing method was used to improve the wettability and distribution of reinforcement particles within the matrix, which included heat treatment of micro and nano Al2O3 particles, injection of heat-treated particles, and stirring the melt at different speeds.
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Investigation of microstructure and mechanical properties of Al6061-nanocomposite fabricated by stir casting
TL;DR: In this paper, the effects of adding nano-alumina particles to Al6061 alloy and extrusion process on the mechanical and microstructure properties of the composites were investigated.
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Hot deformation and processing map of a typical Al–Zn–Mg–Cu alloy
TL;DR: In this paper, the high-temperature flow behavior of 7075 aluminum alloy was studied by hot compressive tests and the efficiencies of power dissipation and instability parameter were evaluated.
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Hot deformation behavior of 7150 aluminum alloy during compression at elevated temperature
TL;DR: In this article, a hot compression test of 7150 aluminum alloy was performed on Gleeble-1500 system in the temperature range from 300°C to 450°C and at strain rate range from 0.01 − s − 1 to 10−s − 1, and the associated structural changes were studied by observations of metallographic and transmission electron microscope.