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Relevant bibliographies by topics / WE544

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Academic literature on the topic 'WE544'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "WE544"

1

Kazum, O., Mathan Bobby Kannan, Nico Scharnagl, Carsten Blawert, and Ying He He. "Electrochemical Corrosion Behaviour of WE54 Magnesium Alloy." Materials Science Forum 765 (July 2013): 644–47. http://dx.doi.org/10.4028/www.scientific.net/msf.765.644.

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The electrochemical corrosion behaviour of WE54 magnesium alloy in 0.5 wt.% NaCl solution was studied using electrochemical techniques. Polarization results suggested that the rare-earths in WE54 alloy enhanced the passivation tendency of the alloy and decreased the corrosion current by ~30% compared to pure magnesium. Pitting corrosion resistance was also higher in WE54 alloy than that in pure magnesium. Long-term electrochemical impedance results showed that the polarization resistance of WE54 alloy was more than two times higher than that of pure magnesium even after initial passivity breakdown.

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Azzeddine, Hiba, and Djamel Bradai. "Texture and Microstructure of WE54 Alloy after Hot Rolling and Annealing." Materials Science Forum 702-703 (December 2011): 453–56. http://dx.doi.org/10.4028/www.scientific.net/msf.702-703.453.

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The texture and microstructure after hot rolling and annealing of WE54 alloy was investigated using X-ray techniques and optical microscopy. WE54 alloy was hot rolled at 400°C to two different reductions (20% and 53%) and then annealed at 450°C for 30 minutes. These treatments resulted in a retained but much weaker basal texture with grain size almost unchanged.

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3

Carboneras, M., Claudio J. Múnez, Pilar Rodrigo, M. Dolores Escalera, Maria Dolores López, and Enrique Otero. "Effect of Heat Treatment on the Corrosion Behaviour of a Mg-Y Alloy in Chloride Medium." Materials Science Forum 636-637 (January 2010): 491–96. http://dx.doi.org/10.4028/www.scientific.net/msf.636-637.491.

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Corrosion behaviour of a Mg-Y alloy (commercial WE54) has been studied. This alloy presents excellent retention of mechanical properties and corrosion resistance at elevated temperatures, a combination of properties that can be of interest in many technology applications. To evaluate the effect of heat treatment on the corrosion resistance, WE54 samples in extruded state and after T6 heat treatment were studied. Corrosion behaviour was evaluated by electrochemical and immersion tests in 3.5 wt.% NaCl solution at room temperature and neutral pH. Surface examination was carried out by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX) and X-ray diffraction (XRD). It was found that corrosion resistance of the magnesium alloy WE54 in chloride medium was improved by applying the heat treatment to the material, a fact that was correlated with the developed microstructure in T6 condition.

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Kiełbus, Andrzej, Joanna Michalska, and Bartłomiej Dybowski. "The Electrochemical and Immersion Corrosion of Casting Magnesium Alloys Containing Rare Earth Elements." Solid State Phenomena 227 (January 2015): 79–82. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.79.

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<p>Magnesium alloys are widely used mainly in automotive and aerospace industries. There is quite a lot of information about corrosion of the magnesium alloys in available literature. However, the publications concern mainly Mg-Al alloys, while there is a lack of information about Mg-RE-Zr alloys. The following paper presents results of the investigations on the electrochemical corrosion of magnesium casting alloys containing rare earth elements (WE43, WE54, EV31A-Elektron 21) as well as pure magnesium. The alloys were investigated by immersion test in 3.5% NaCl for times up to 7 days. Electrochemical investigations were carried out at ambient temperature in aerated NaCl solution, using potentiodynamic polarization method. It has been shown that the best corrosion resistance is exhibited by alloys with yttrium addition (WE43, WE54), while the weakest by pure magnesium. EV31A alloy exhibits the highest corrosion rate during the immersion test, while WE54 and WE43 alloys had a similar corrosion behavior.</p>

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Kiełbus, Andrzej, Tomasz Rzychoń, and Roman Przeliorz. "Oxidation Behaviour of WE54 and Elektron 21 Magnesium Alloys." Defect and Diffusion Forum 312-315 (April 2011): 483–88. http://dx.doi.org/10.4028/www.scientific.net/ddf.312-315.483.

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In the present study, the isothermal early oxidation behaviour of the WE54 and Elektron 21 alloys were studied at a temperature of 773 K in pure O2 up to 150 min. The results showed that the oxidation kinetics depending on the chemical composition and microstructure of the investigated alloys. The oxidation kinetics of these alloys in as-cast and T6 conditions obtained a parabolic law, while in supersaturated state these alloys exhibited a linear kinetics. Scanning electron microscopy (SEM) and X-ray diffraction (XRD) analyses indicated that an oxide film, composed of MgO and (Y,Dy)2O3 in WE54 alloy and (Nd,Gd)2O3 in Elektron 21 alloy, had been formed.

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Kiełbus, Andrzej, Tomasz Rzychoń, and Grzegorz Moskal. "The Influence of Heat Treatment Parameters on the Thermal Diffusivity of WE54 and Elektron 21 Magnesium Alloys." Defect and Diffusion Forum 312-315 (April 2011): 489–94. http://dx.doi.org/10.4028/www.scientific.net/ddf.312-315.489.

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In the present study, the thermal diffusivity and conductivity of WE54 and Elektron 21 alloys were studied. The results showed the thermal diffusivity of WE54 and Elektron 21 alloys were temperature and microstructure dependent. The thermal diffusivity of both alloys was dependent on the content of the solute element in the α-Mg matrix. The solid solution of Y and Gd in Mg has a lower thermal conductivity than alloys where the intermetallic Mg3(Nd,Gd) and Mg14Y2Nd phases are present. The formation of strengthening phases during ageing caused the consumption of the solute element in the α -Mg matrix, and improved the thermal conductivity of the alloys.

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7

Li, Ji Lin, Yue Qun Ma, Rong Shi Chen, and Wei Ke. "Effects of Shrinkage Porosity on Mechanical Properties of a Sand Cast Mg-Y-Re (WE54) Alloy." Materials Science Forum 747-748 (February 2013): 390–97. http://dx.doi.org/10.4028/www.scientific.net/msf.747-748.390.

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The distribution of shrinkage porosities in sand cast Mg-Y-RE (WE54) alloy castings was characterized through density measurement and calculated by Archimedess principle. The effect of porosity on mechanical properties of sand cast WE54 alloy was investigated through tensile tests and microstructure observation. It was found that the shrinkage porosities distributed mainly in the middle of the plate where the liquid feeding was quite inconvenient. And the porosities were formed along grain boundaries when secondary phases formed at the end of solidification. Hardness tests showed that the vikers hardness declined linearly with increasing porosity volume fraction. While the tensile strength and nominal yield strength declined exponentially as the porosity volume fraction increased. Microstructure observation showed that the fracture cracks propagated along the grain boundaries where porosities and secondary phases gathering together in as-cast WE54 alloy. The tiny porosities distributed in the secondary phases were observed, which could reduce the tensile strength of cast specimens significantly. The heat treatment strengthening effects were significantly weakened by porosities, and even no heat treatment strengthening effect was detected when the porosity volume fraction was higher than 1%. The microstructure observation also proved that no heat treatment strengthening effect existed in samples containing porosities.

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8

BARYLSKI, Adam, Krzysztof ANIOŁEK, and Michał DWORAK. "THE INFLUENCE OF SOLUTION TREATMENT ON THE STRUCTURE AND MECHANICAL AND TRIBOLOGICAL PROPERTIES OF MAGNESIUM ALLOY WE54." Tribologia 267, no. 3 (June 30, 2016): 19–28. http://dx.doi.org/10.5604/01.3001.0010.7289.

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The paper presents the influence of solution treatment on the mechanical and tribological properties of the WE54 magnesium alloy. The investigated alloy was solution treated at a temperature of 545oC for 8 hours and cooled in ice water (0oC), in room temperature water (20oC), and in hot water (95oC). Depending on the applied solution treatment parameters, a diversified decrease in hardness and Young's modulus was obtained. The lowest values of hardness H and modulus E were obtained when cooling in ice water. Abrasive wear of alloy WE54 was tested using a ball-on-disc tribometer (with a ZrO2 ball). The tests have shown more than a threefold reduction in the volumetric wear and a twofold reduction in the linear wear, as well as favourable changes of the friction coefficient (a 20% decrease) as compared to the material in the as-received condition.

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9

Álvarez-Leal, Marta, Fernando Carreño, Alberto Orozco-Caballero, Pilar Rey, and Oscar A. Ruano. "High Strain Rate Superplasticity of WE54 Mg Alloy after Severe Friction Stir Processing." Metals 10, no. 12 (November 25, 2020): 1573. http://dx.doi.org/10.3390/met10121573.

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Friction stir processing (FSP) was used on coarse-grained WE54 magnesium alloy plates of as-received material. These were subjected to FSP under two different cooling conditions, refrigerated and non-refrigerated, and different severe processing conditions characterized by low rotation rate and high traverse speed. After FSP, ultrafine equiaxed grains and refinement of the coarse precipitates were observed. The processed materials exhibited high resistance at room temperature and excellent superplasticity at the high strain rate of 10−2 s−1 and temperatures between 300 and 400 °C. Maximum tensile superplastic elongation of 726% was achieved at 400 °C. Beyond 400 °C, a noticeable loss of superplastic response occurred due to a loss of thermal stability of the grain size. Grain boundary sliding is the operative deformation mechanism that can explain the high-temperature flow behavior of the ultrafine grained FSP-WE54 alloy, showing increasing superplasticity with increasing processing severity.

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10

Garcés, G., M. Rodríguez, P. Pérez, and P. Adeva. "Microstructural and mechanical characterisation of WE54–SiC composites." Materials Science and Engineering: A 527, no. 24-25 (September 2010): 6511–17. http://dx.doi.org/10.1016/j.msea.2010.07.026.

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Dissertations / Theses on the topic "WE544"

1

Lentz, Martin Christoph [Verfasser], Walter [Akademischer Betreuer] Reimers, and Karl Ulrich [Akademischer Betreuer] Kainer. "Deformation behavior of extruded magnesium alloys ME21, WE54, L4 and LA41 / Martin Christoph Lentz. Gutachter: Walter Reimers ; Karl Ulrich Kainer. Betreuer: Walter Reimers." Berlin : Technische Universität Berlin, 2015. http://d-nb.info/1070580759/34.

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Books on the topic "WE544"

1

Coping with fibromyalgia. Toronto: LRH Publications, 1991.

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Ediger, Beth. Coping with fibromyalgia. Fredericton, NB: LRH, 1998.

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Book chapters on the topic "WE544"

1

Liu, Hong, Yipeng Gao, Yunzhi Wang, and Jian-Feng Nie. "Correlated Nucleation of Precipitates in Magnesium Alloy WE54." In Proceedings of the 1st World Congress on Integrated Computational Materials Engineering (ICME), 1–8. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118147726.ch1.

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2

Rzychoń, Tomasz, Andrzej Kiełbus, and B. Bierska-Piech. "Characterisation of β Phase in WE54 Magnesium Alloy." In Solid State Phenomena, 155–58. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-40-x.155.

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3

Gao, Y., H. Liu, R. Shi, N. Zhou, Z. Xu, J. F. Nie, and Y. Wang. "Phase Field Modeling of Betal Precipitation in WE54 Alloy." In Magnesium Technology 2012, 377–82. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118359228.ch69.

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4

Nie, J. F., X. L. Xiao, and C. P. Luo. "Characterisation of Precipitate Phases in WE54 and AZ91 Alloys." In Magnesium Alloys and their Applications, 318–23. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527607552.ch50.

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5

Berkani, A., P. Skeldon, G. E. Thompson, K. Shimizu, H. Habazaki, H. Karimzadeh, K. Stevens, and C. John. "Plasma Electrochemical Synthesis of Protective Coatings on WE54 Magnesium Alloy." In Magnesium, 592–98. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527603565.ch94.

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6

Li, Zhuo Qun, Da Yong Shan, Wei Ke, and En Hou Han. "Effect of Aging on Electrochemical Behavior of T6-Treated WE54 Mg Alloy." In Materials Science Forum, 533–36. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-432-4.533.

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Conference papers on the topic "WE544"

1

Khadka, Indira, Sylvie Castagne, Zhongke Wang, Hongyu Zheng, and Kuddannaya Shreyas. "Laser irradiation of WE54 surface through simulated body fluid layer." In SPIE LASE, edited by Udo Klotzbach, Kunihiko Washio, and Rainer Kling. SPIE, 2017. http://dx.doi.org/10.1117/12.2250021.

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Huang, J.-R., H. D. Ford, and R. P. Tatam. "Source Modulation Techniques for Static Deformation and Vibration Measurement in Optoelectronic Shearography." In Optical Fiber Sensors. Washington, D.C.: OSA, 1996. http://dx.doi.org/10.1364/ofs.1996.we344.

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3

Jabczyński, Jan K., Lukasz Gorajek, Waldemar Zendzian, Jacek Kwiatkowski, Helena Jelinkova, Jan Sulc, and Michal Nemec. "10mJ, acousto-optic Q-switched, tunable, diode pumped Tm:YLF laser." In Advanced Solid-State Photonics. Washington, D.C.: OSA, 2008. http://dx.doi.org/10.1364/assp.2008.we44.

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Sasaki, Y., Y. Furushima, T. Hosoda, T. Murakami, and H. Hasumi. "High Power Semiconductor Laser Diodes for OTDRs." In Optical Fiber Sensors. Washington, D.C.: OSA, 1996. http://dx.doi.org/10.1364/ofs.1996.we44.

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Okude, S., M. Sudoh, K. Shima, T. Sakai, A. Wada, and R. Yamauchi. "A novel Technique for Suppressing Undesired Coupling of LP01 Mode to Cladding Modes in Fiber Bragg Gratings." In Optical Fiber Sensors. Washington, D.C.: OSA, 1996. http://dx.doi.org/10.1364/ofs.1996.we54.

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6

A., Zona, Ragni L., and Dall’asta A. "Finite Element Response Sensitivity Analysis of Steel Frames Equipped with Buckling-Restrained Braces." In 4th International Conference on Steel & Composite Structures. Singapore: Research Publishing Services, 2010. http://dx.doi.org/10.3850/978-981-08-6218-3_bus-we044.

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