Sort by:
Publication Type:
Open access:
Publication Date:
Periodicals:
Search results
Online since: June 2010
Authors: Lucjan Pająk, Józef Rasek, Stanislaw Pikus, Grzegorz Dercz, E. Olszewska
These alloys in as-prepared state are characterized by thermal and temporal
instability of physical properties.
Ternary Fe-Nb-B amorphous alloys belong to new group of magnetically soft alloys [1-7].
This phase is also present in annealed Fe-B based amorphous alloys [8-10].
Moreover metastable Fe3B phase is observed in Fe-Si-B and Fe-X-Si-B amorphous alloys as a result of crystallization process but generally is stable in narrower temperature range in this alloys.
Pająk: Journal of Alloys and Compounds Vol. 436 (2007), p.43 [7] Changling Yang, Feng Liu, Shitong Ren and Gencans Yang: J.
Ternary Fe-Nb-B amorphous alloys belong to new group of magnetically soft alloys [1-7].
This phase is also present in annealed Fe-B based amorphous alloys [8-10].
Moreover metastable Fe3B phase is observed in Fe-Si-B and Fe-X-Si-B amorphous alloys as a result of crystallization process but generally is stable in narrower temperature range in this alloys.
Pająk: Journal of Alloys and Compounds Vol. 436 (2007), p.43 [7] Changling Yang, Feng Liu, Shitong Ren and Gencans Yang: J.
Online since: October 2007
Authors: Mario Rosso, Marco Actis Grande
This work concerns the study of the fatigue properties of A319, A 356 and A357
Aluminum alloys, produced by means of permament mould casting, sand casting and loast foam.
Regarding A319 samples metallographic analysis (Figure 4) has highlighted a microstrucure with big dendrite arm spacing together with the presence of big intermetallic compounds (Al5FeSi ad Al15Fe3Si2).
The microstructure of Al alloys in the different process conditions.
Conclusions The fatigue behaviour of different aluminium alloys castings for automotive applications has been investigated after T6 heat treatment.
Lee, The Effect of Hot Isostatic Pressing on Cast Aluminum, Journal of Material (November 1997), p. 38 [8] M.
Regarding A319 samples metallographic analysis (Figure 4) has highlighted a microstrucure with big dendrite arm spacing together with the presence of big intermetallic compounds (Al5FeSi ad Al15Fe3Si2).
The microstructure of Al alloys in the different process conditions.
Conclusions The fatigue behaviour of different aluminium alloys castings for automotive applications has been investigated after T6 heat treatment.
Lee, The Effect of Hot Isostatic Pressing on Cast Aluminum, Journal of Material (November 1997), p. 38 [8] M.
Online since: July 2020
Authors: Wisnu Ari Adi, Tria Madesa, Mashadi Mashadi, Setyo Purwanto, Didin Sahidin Winatapura, Yunasfi Yunasfi, Yosef Sarwanto
The majority of Nd2Fe14B alloys are Fe-based, so these alloys have very low corrosion resistance besides the Nd metal which is also very reactive at oxygen binding at room temperature.
Journal of Alloys and Compounds, Vol. 408-412 ((9 February 2006) 1344-1349
In: Journal of Alloys and Compounds 495 (2010), p. 189-195
Exchange coupled nanocomposite hard magnetic alloys.
New nanocrystalline high-remanence Nd-Fe-B alloys by rapid solidification.
Journal of Alloys and Compounds, Vol. 408-412 ((9 February 2006) 1344-1349
In: Journal of Alloys and Compounds 495 (2010), p. 189-195
Exchange coupled nanocomposite hard magnetic alloys.
New nanocrystalline high-remanence Nd-Fe-B alloys by rapid solidification.
Online since: November 2022
Authors: Agus Dwi Anggono, Agus Yulianto, Bambang Waluyo Febriantoko, Agung Setyo Darmawan, Masyrukan Masyrukan, Abdul Hamid
The aim of this research was to investigate the changes in the microstructure and strength due to the addition of magnesium to gray cast iron.
The first was alloyed with 4% silicon and 1% molybdenum, while the second was alloyed with 4% silicon and 1.5% copper.
The addition of magnesium in the form of FeSiMg compounds changes the shape of the graphite flakes from gray cast iron to become spherical.
Mullis, Effect of rapid solidification on the microstructure and microhardness of BS1452 grade 250 hypoeutectic grey cast iron, Journal of Alloys and Compounds 707 (2017) 347-350. https://doi.org/10.1016/j.jallcom.2016.08.214 [6] L.
Pamungkas, The Effect of Heat Treatment and Pressing at 400 °C with Coconut Shell Charcoal Media on The Hardness, Microstructure, and Density Of Al-Si Alloys, Media Mesin: Majalah Teknik Mesin 23(2) (2022) 106-113. http://dx.doi.org/10.23917/mesin.v23i2.19347 [22] H.
The first was alloyed with 4% silicon and 1% molybdenum, while the second was alloyed with 4% silicon and 1.5% copper.
The addition of magnesium in the form of FeSiMg compounds changes the shape of the graphite flakes from gray cast iron to become spherical.
Mullis, Effect of rapid solidification on the microstructure and microhardness of BS1452 grade 250 hypoeutectic grey cast iron, Journal of Alloys and Compounds 707 (2017) 347-350. https://doi.org/10.1016/j.jallcom.2016.08.214 [6] L.
Pamungkas, The Effect of Heat Treatment and Pressing at 400 °C with Coconut Shell Charcoal Media on The Hardness, Microstructure, and Density Of Al-Si Alloys, Media Mesin: Majalah Teknik Mesin 23(2) (2022) 106-113. http://dx.doi.org/10.23917/mesin.v23i2.19347 [22] H.
Online since: July 2016
Authors: Giulio Timelli, Leonardo Capra, Luca Romano, Stefano Capuzzi
Remelters produce wrought alloys, usually in the form of extrusion billets and rolling ingots, from mainly clean and sorted wrought alloy scraps; on the other hand, refiners are able to add alloying elements and to remove some undesired elements after the melting process, so producing foundry alloys from lower quality scrap.
Fluxing has to be considered in case of low quality scrap; this consists on the addition of chemical compounds to cover the molten bath avoiding new oxidation, separating the oxide layer from the melt and growing metallic Al droplets in the oxide layer and taking them into the liquid metal.
The flux composition and the effects of different compounds are largely studied [3].
This uncertainty is reduced with scrap as turnings and UBCs where only few and known alloys are present.
Espinosa, Effect of salt/oxide interaction on the process of aluminum recycling, Journal of Light Metals 2 (2002) 89-93
Fluxing has to be considered in case of low quality scrap; this consists on the addition of chemical compounds to cover the molten bath avoiding new oxidation, separating the oxide layer from the melt and growing metallic Al droplets in the oxide layer and taking them into the liquid metal.
The flux composition and the effects of different compounds are largely studied [3].
This uncertainty is reduced with scrap as turnings and UBCs where only few and known alloys are present.
Espinosa, Effect of salt/oxide interaction on the process of aluminum recycling, Journal of Light Metals 2 (2002) 89-93
Online since: September 2008
Authors: Stephane Valette, Sebastien Menecier, Fabrice Goutier, Pierre Lefort
Kinetics of some iron-based alloys in industrial CO2: formation of
wüstite phase
S.
Thus, a new detailed study of the oxidation of ironbased alloys under CO2 was necessary, using industrial CO2, with the aim to consider the applications.
Alloys Compd. 210 (1994), p.247 [6] S.Valette, A.
Alloys Compd. 413 (2006), p. 222 [7] S.
Lefort: to be submitted to Journal of Alloys and Compounds
Thus, a new detailed study of the oxidation of ironbased alloys under CO2 was necessary, using industrial CO2, with the aim to consider the applications.
Alloys Compd. 210 (1994), p.247 [6] S.Valette, A.
Alloys Compd. 413 (2006), p. 222 [7] S.
Lefort: to be submitted to Journal of Alloys and Compounds
Online since: May 2021
Authors: L.A. Degtyar, I.Y. Zhukova, I.G. Bobrikova
In comparison with pure metals, alloys have a wider range of chemical and physicomechanical properties [18, 20].
A sharp increase in the rate of mass transfer at elevated (above 40 °C) temperatures indicates the possibility of a special mechanism of ion delivery in the presence of colloidal compounds.
Probably, due to hydrolysis, which intensifies at temperature, and in the process of alkalization of the near-cathode layer, a highly dispersed phase is formed, consisting of hydroxides and basic nickel compounds and colloidal compounds based on them, which are delivered by electrophoresis.
Jović, Electrodeposition and Characterization of Alloys and Composite Materials, in: S.
Popov (Eds), Electrodeposited Alloys and Multilayered Structuresp, Springer, Heidelberg, 2016, pp. 233-291
A sharp increase in the rate of mass transfer at elevated (above 40 °C) temperatures indicates the possibility of a special mechanism of ion delivery in the presence of colloidal compounds.
Probably, due to hydrolysis, which intensifies at temperature, and in the process of alkalization of the near-cathode layer, a highly dispersed phase is formed, consisting of hydroxides and basic nickel compounds and colloidal compounds based on them, which are delivered by electrophoresis.
Jović, Electrodeposition and Characterization of Alloys and Composite Materials, in: S.
Popov (Eds), Electrodeposited Alloys and Multilayered Structuresp, Springer, Heidelberg, 2016, pp. 233-291
Online since: August 2015
Authors: Dao Lun Chen, Frank Czerwinski, S.K. Shaha, W. Kasprzak, J Friedman
The aim is to form precipitates that do not coarsen at service temperatures, preferably as high as 300 °C.
Wang, Precipitates and tensile fracture mechanism in a sand cast A356 aluminum alloy, Journal of Materials Processing Technology 207 (2008) 46-52
Alloys Compd. 593 (2014) 290-299
Chen, Effect of Zr, V and Ti on hot compression behavior of the Al–Si cast alloy for powertrain applications, Journal of Alloys and Compounds 615 (2014) 1019–1031
Alloys Compd. 595 (2014) 67-79
Wang, Precipitates and tensile fracture mechanism in a sand cast A356 aluminum alloy, Journal of Materials Processing Technology 207 (2008) 46-52
Alloys Compd. 593 (2014) 290-299
Chen, Effect of Zr, V and Ti on hot compression behavior of the Al–Si cast alloy for powertrain applications, Journal of Alloys and Compounds 615 (2014) 1019–1031
Alloys Compd. 595 (2014) 67-79
Online since: April 2009
Authors: Joan Josep Suñol, B. Hernando, M.L. Sánchez, V.M. Prida, L. Escoda, C. García, Victor Vega, José Luis Sánchez Llamazares
Moreover, this family of
materials is very promising for new solid-sate actuators as ferromagnetic shape memory
alloys and as magnetocaloric materials as has been proposed [7].
In all these cases, alloys were produced as bulk polycrystalline samples.
In the present study, crystalline phases, morphology and magnetic properties of glass-coated microwires of Cu-Ga-Mn alloy were investigated with the aim of finding a new ferromagnetic shape memory and magnetocaloric material candidate.
Starting alloys of nominal composition Cu50Ga25Mn25 were prepared by arc-melting of the pure elements (>99.9%) in Ar atmosphere.
Ishida, Journal of Alloys and Compounds Vol.266 (1998), p.191.
In all these cases, alloys were produced as bulk polycrystalline samples.
In the present study, crystalline phases, morphology and magnetic properties of glass-coated microwires of Cu-Ga-Mn alloy were investigated with the aim of finding a new ferromagnetic shape memory and magnetocaloric material candidate.
Starting alloys of nominal composition Cu50Ga25Mn25 were prepared by arc-melting of the pure elements (>99.9%) in Ar atmosphere.
Ishida, Journal of Alloys and Compounds Vol.266 (1998), p.191.
Online since: April 2009
Authors: T. Mahalingam, Yong Deak Kim, Tae Kyu Kim, K. Sundaram, S. Thanikaikarasan, Velumani Subramaniam
Introduction
Alloys of II-VI group compounds are attracting candidates for opto-electronic device applications
[1].
Recently, ternary/pseudo-binary semiconductor compounds have established much attention because of their potential applications in a wide spectrum of optoelectronic devices [2-4].
Among II-VI group ternary compounds CdHgSe, CdHgTe and CdFeS have been studied widely for solar cell and IR device applications [1, 5-6].
The electrodeposition of II-VI ternary compounds is more complex because they involve several deposition parameters which control the film properties such as film composition and structure.
[11].J.Konior, J.Goniakowski, S.Kaprzyk: Journal of .Alloys and Compounds Vol. 328 (2001) p.139
Recently, ternary/pseudo-binary semiconductor compounds have established much attention because of their potential applications in a wide spectrum of optoelectronic devices [2-4].
Among II-VI group ternary compounds CdHgSe, CdHgTe and CdFeS have been studied widely for solar cell and IR device applications [1, 5-6].
The electrodeposition of II-VI ternary compounds is more complex because they involve several deposition parameters which control the film properties such as film composition and structure.
[11].J.Konior, J.Goniakowski, S.Kaprzyk: Journal of .Alloys and Compounds Vol. 328 (2001) p.139