Age hardening, fracture behavior and mechanical properties of QE22 Mg alloy
F. Khan,Sushanta Kumar Panigrahi +1 more
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TLDR
The microstructure, mechanical properties and fracture behavior of an as-received QE22 alloy have been investigated under different thermal conditions, including solution treated (ST), under aged (UA), peak aged (PA) and over aged (OA) conditions as mentioned in this paper.About:
This article is published in Journal of Magnesium and Alloys.The article was published on 2015-09-01 and is currently open access. It has received 42 citations till now. The article focuses on the topics: Ultimate tensile strength & Tensile testing.read more
Citations
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An Investigation on the Tribological Performances of the SiO2/MoS2 Hybrid Nanofluids for Magnesium Alloy-Steel Contacts.
Hongmei Xie,Hongmei Xie,Bin Jiang,Bin Jiang,Bo Liu,Qinghang Wang,Junyao Xu,Fusheng Pan,Fusheng Pan +8 more
TL;DR: The results demonstrate that the SiO2/ MoS2 hybrid nanoparticles exhibit superior lubrication performances than individual nano-SiO2 or nano-MoS2 even in high load and diverse velocity cases.
Journal ArticleDOI
Synthesis, characterization and mechanical properties of in-situ (TiC-TiB2) reinforced magnesium matrix composite
TL;DR: In this paper, a hybrid method has been adopted to fabricate TiC-TiB2 reinforced magnesium matrix composites and the reinforcement is formed in-situ from elemental Ti and B4C powders and molten Mg-Al-Zn alloy without any addition of a third phase metal powder such as aluminum.
Journal ArticleDOI
Microstructural modification and its effect on strengthening mechanism and yield asymmetry of in-situ TiC-TiB2/ AZ91 magnesium matrix composite
TL;DR: In this article, a severe plastic deformation (SPD) based hybrid process has been implemented to develop in-situ AZ91+TiC-TiB2 composite, which results in redistribution of β-Mg17Al12 phase on the grain boundaries along with notable grain refinement.
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Effect of in-situ (TiC-TiB2) reinforcement on aging and mechanical behavior of AZ91 magnesium matrix composite
Journal ArticleDOI
Microstructures, tensile properties and work hardening behavior of SiCp/Mg-Zn-Ca composites
TL;DR: The SiCp/Mg-4Zn-0.5Ca composite was fabricated by semi-solid stirring assisted ultrasonic vibration and followed by ultra-slow-speed (0.01 ǫ s −1 ) extrusion at 280 Ãǫ C as discussed by the authors, and the results show that the as-extruded composite exhibits a typical bimodal microstructure consisted of ∼96.2% ultrafine dynamic recrystallization (DRXed) grains (∼0.86 ) and relatively coarse un DRXed regions
References
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Precipitation and Hardening in Magnesium Alloys
TL;DR: In this paper, a review of precipitation in most precipitation-hardenable magnesium alloys is reviewed, and its relationship with strengthening is examined, and it is demonstrated that the precipitation phenomena in these alloys, especially in the very early stage of the precipitation process, are still far from being well understood, and many fundamental issues remain unsolved even after some extensive and concerted efforts made in the past 12 years.
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Creep-resistant magnesium alloys
TL;DR: The development of creep resistant alloys over the past 20 years is discussed, ranging from the WE series developed early in the 1980s and which represents the present state of the art to MgSc and MgGd ternary alloys that show an improvement in creep resistance of two orders of magnitude.
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Recent developments in light alloys
TL;DR: In this article, the authors discuss recent developments in aluminium, magnesium and titanium alloys, focusing on new ageing practices, lithium-containing aluminium alloys and the role of trace elements in controlling precipitation.
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A study on the combined effect of forging and aging in Mg–Y–RE alloy
TL;DR: In this paper, the combined effect of forging and aging on microstructural evolution and mechanical properties of a Mg-Y-RE alloy was studied by employing hardness measurements, tensile tests, optical microscopy, scanning electron microscopy (SEM), and electron back scattered diffraction (EBSD) analysis.
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The formation of twinned metallic crystals
TL;DR: In this paper, the authors describe observations made on annealing twins, mainly those of copper and its alloys, and show that the twinned crystals in copper which are present in the originally cold worked metal are neither removed by recrystallisation nor by subsequent crystal growth, although during the former process all the old crystals are replaced by new ones, and during the latter a large number of crystals are absorbed into a few large ones.
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