Relevant bibliographies by topics / Mg-Li based alloys

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Academic literature on the topic 'Mg-Li based alloys'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Mg-Li based alloys"

1

Sikdar, Koushik, Shashank Shekhar, and Kantesh Balani. "Fretting wear of Mg–Li–Al based alloys." Wear 318, no. 1-2 (2014): 177–87. http://dx.doi.org/10.1016/j.wear.2014.06.012.

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2

Jun, Joong Hwan, Ki Duk Seong, Jeong Min Kim, Ki Tae Kim, and Woon Jae Jung. "Influence of Microstructural Change on Damping Capacity of Mg-X%Li Alloys." Materials Science Forum 539-543 (March 2007): 1764–68. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.1764.

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The Effects of Li content and annealing treatment on microstructure and damping capacity for Mg-X%Li alloys have been investigated, based on experimental results from X-ray diffractometry (XRD), optical microscopy (OM), hardness tests and vibration damping tests in a flexural mode. The Mg-X%Li alloys containing Li of 3%, 8% and 13% consist of α (HCP) single phase, (α + β (BCC)) dual phases and β single phase, respectively. In as-rolled state, the damping capacity for Mg-Li alloys shows a similar level regardless of Li content. The annealing treatments at 200oC and 400οC give rise to an enhancement of damping capacity only for the Mg-3%Li and Mg-8%Li alloys containing α phase, and at the same annealing temperature, the Mg-3%Li alloy with fully α structure exhibits higher damping capacity. This result indicates that the damping capacity of Mg-Li alloys depends principally on α phase, and that the annealing treatment is necessary to improve its damping capacity.
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3

Król, Mariusz. "Solidification Characteristics of Mg-Li-Al Alloys." Solid State Phenomena 275 (June 2018): 41–52. http://dx.doi.org/10.4028/www.scientific.net/ssp.275.41.

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The six Mg-Li and Mg-Li-Al alloys in as-cast state namely Mg-4.5%Li, Mg-9%Li, Mg-12%Li, Mg-4.5%Li-1.5%Al, Mg-9%Li-1.5%Al and Mg-12%Li-1.5%Al were prepared and analysed. These alloys have been subjected to the thermal analysis (thermal derivative-analysis and dilatometry study), and the subsequent thermal assessment, mechanical properties and microstructures were studied. The heating and cooling dilatometric curves characterise by a linear reduction (alloys with 12wt.% of Li) and linear increase (alloys with 4.5wt.% of Li) in coefficient of linear thermal expansion as a function of temperature. No transitions in the solid state occur. Based on results of thermal derivative analysis a crystallisation process of Mg-Li and Mg-Li-Al alloys was proposed. Addition of aluminium in ultra-light Mg-Li alloys shows considerably improved strengthening without a reduction in grain size. Increasing the lithium content causes in an increase of hardness.
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4

Okafor, Chiamaka, and Norman Munroe. "The Promise of Mg-Li Based Alloys for Biomedical Implant Materials." Materials Science Forum 1085 (April 20, 2023): 139–48. http://dx.doi.org/10.4028/p-55j9e9.

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Lithium is an attractive element for Mg alloys for several reasons. It can improve room temperature ductility by transforming the single-phase hcp microstructure of Mg to a duplex phase followed by a single-phase bcc structure. With a solubility of ~5 wt.% Li, α-Mg is less prone to localized corrosion due to the absence of intermetallics. Furthermore, the strength of Mg-Li based alloys can be enhanced by alloying and thermomechanical processing. However, grain refinement has proven to be an effective mechanism in offsetting a compromise in ductility. It is for these reasons that Mg-Li based alloys have been the focus of great interest as a biomaterial where high strength, appreciable ductility and uniform corrosion behavior are required.
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5

Kumar, Vinod, Govind, Kempe Philippe, Rajiv Shekhar, and Kantesh Balani. "Processing and Nano-mechanical Characterization of Mg-Li-Al based Alloys." Procedia Materials Science 5 (2014): 585–91. http://dx.doi.org/10.1016/j.mspro.2014.07.303.

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6

Cao, Dianxue, Xue Cao, Guiling Wang, Lin Wu, and Zhanshuang Li. "Electrochemical discharge performance of Mg-Li based alloys in NaCl solution." Journal of Solid State Electrochemistry 14, no. 5 (2009): 851–55. http://dx.doi.org/10.1007/s10008-009-0865-7.

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7

Muga, C. O., and Z. W. Zhang. "Strengthening Mechanisms of Magnesium-Lithium Based Alloys and Composites." Advances in Materials Science and Engineering 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/1078187.

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Mg-Li based alloys are widely applied in various engineering applications. The strength of these alloys is modified and enhanced by different strengthening mechanisms. The strengthening mechanisms of these alloys and their composites have been extensively studied during the past decades. Important mechanisms applied to strengthening the alloys include precipitation strengthening, solution strengthening, grain and subgrain strengthening, and dislocation density strengthening. Precipitation and solution strengthening mechanisms are strongly dependent on composition of the alloys and thermal treatment processes, whereas grain and subgrain and dislocation density strengthening mechanisms majorly depend on thermomechanical processing. In this paper, recent studies on conventional processes for the strengthening of Mg-Li based alloys are summarized as they are critical during the alloys design and processing. Main strengthening mechanisms are objectively reviewed, focusing on their advantages and drawbacks. These can contribute to enhancing, initiating, and improving future researches for alloys design and suitable processing selection.
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8

Yoo, Hyo-Sang, Yong-Ho Kim, and Hyeon-Taek Son. "Effect of Li on Mechanical Properties and Electrical Conductivity of the Al–Zn–Cu–Mg Based Alloys." Journal of Nanoscience and Nanotechnology 21, no. 9 (2021): 4897–901. http://dx.doi.org/10.1166/jnn.2021.19268.

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In this study, changes in the microstructure, mechanical properties, and electrical conductivity of cast and extruded Al–Zn–Cu–Mg based alloys with the addition of Li (0, 0.5 and 1.0 wt.%) were investigated. The Al–Zn–Cu–Mg–xLi alloys were cast and homogenized at 570 °C for 4 hours. The billets were hot extruded into rod that were 12 mm in diameter with a reduction ratio of 38:1 at 550 °C. As the amount of Li added increased from 0 to 1.0 wt.%, the average grain size of the extruded Al alloy increased from 259.2 to 383.0 µm, and the high-angle grain boundaries (HGBs) fraction decreased from 64.0 to 52.1%. As the Li content increased from 0 to 1.0 wt.%, the elongation was not significantly different from 27.8 to 27.4% and the ultimate tensile strength (UTS) was improved from 146.7 to 160.6 MPa. As Li was added, spherical particles bonded to each other, forming an irregular particles. It is thought that these irregular particles contribute to the strength improvement.
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9

Jiang, D. M., and B. D. Hong. "Deformation and fracture behavior of an Al-Li-Cu-Mg-Zr alloy 8090." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 4 (1990): 974–75. http://dx.doi.org/10.1017/s0424820100178008.

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Aluminum-lithium alloys have been recently got strong interests especially in the aircraft industry. Compared to conventional high strength aluminum alloys of the 2000 or 7000 series it is anticipated that these alloys offer a 10% increase in the stiffness and a 10% decrease in density, thus making them rather competitive to new up-coming non-metallic materials like carbon fiber reinforced composites.The object of the present paper is to evaluate the inluence of various microstructural features on the monotonic and cyclic deformation and fracture behaviors of Al-Li based alloy. The material used was 8090 alloy. After solution treated and waster quenched, the alloy was underaged (190°Clh), peak-aged (190°C24h) and overaged (150°C4h+230°C16h). The alloy in different aging condition was tensile and fatigue tested, the resultant fractures were observed in SEM. The deformation behavior was studied in TEM.
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10

Klobes, Benedikt, Danny Petschke, Frank Lotter, Vasily Potapkin, and Torsten E. M. Staab. "The Li stance on precipitation in Al–Li-based alloys: an investigation by X-ray Raman spectroscopy." Journal of Materials Science 57, no. 11 (2022): 6157–66. http://dx.doi.org/10.1007/s10853-022-07018-w.

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AbstractDecomposition and precipitation processes in a binary Al–Li alloy and a technical Al–Li–Cu–Mg alloy were investigated using differential scanning calorimetry and X-ray Raman spectroscopy (XRS). The formation of $$\delta $$ δ ’ and T1 precipitates in the Al–Li and the T8 heat-treated Al–Li–Cu–Mg alloy, respectively, was confirmed using DSC. The XRS measurements complemented by simulated spectra allowed for probing specifically Li and its environment within the Al matrix. Based on linear combination fits of the XRS spectra, the relative contributions of $$\delta '$$ δ ′ and T1 precipitates were quantified. These results are in agreement with estimates of the relative amount of Li taking part in the precipitation process. Difficulties and limitations of the application of XRS to Al alloy systems are also discussed.
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