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Online since: March 2010
Authors: Lucy DiSilvio, Richard Curtis, R. Omar, J. Bahra, M. Ditta, A. Chotai
Commercial applications of superplastic forming are restricted to aluminium and titanium alloys
and to a lesser extent certain steels and nickel alloys.
In vitro properties of SPF titanium alloys - immersion in simulated body fluid.
The apatite on SP700 alloy and alloys treated with Deguvest are clearly less dense.
Based on the current observations and the findings of Scrimgeour it is possible to make the tentative observation that since pyrophosphates are the dominant phase in Wirovest investment, these compounds may be responsible for the increased apatite density.
Nogami, Journal of Crystal Growth 2002, 235, 235
In vitro properties of SPF titanium alloys - immersion in simulated body fluid.
The apatite on SP700 alloy and alloys treated with Deguvest are clearly less dense.
Based on the current observations and the findings of Scrimgeour it is possible to make the tentative observation that since pyrophosphates are the dominant phase in Wirovest investment, these compounds may be responsible for the increased apatite density.
Nogami, Journal of Crystal Growth 2002, 235, 235
Online since: January 2012
Authors: Moussa Karama, Joel Alexis, Olivier Dalverny, S. Msolli
Solder materials are critical packaging compounds and due to usually weakest melting temperature among packaging constitutive materials, thus, they are frequently subjected to a multitude of physical phenomena: creep, fatigue and combined hardening effects.
That is the aim of this paper with application to a tin based solder token as the test material.
The assembly is constituted by a soldered silicon Chip brazed to a DBC substrate by a 62Sn36Pb2Ag solder alloy.
Wilde, Journal of Electronic Packaging, Vol. 123 (2001), pp. 247-253
International Journal of Plasticity, Vol. 8, (1992), pp. 695-728
That is the aim of this paper with application to a tin based solder token as the test material.
The assembly is constituted by a soldered silicon Chip brazed to a DBC substrate by a 62Sn36Pb2Ag solder alloy.
Wilde, Journal of Electronic Packaging, Vol. 123 (2001), pp. 247-253
International Journal of Plasticity, Vol. 8, (1992), pp. 695-728
Online since: August 2016
Authors: Sebastião Elias Kuri, Jorge Otubo, P. Hammer, Carlos Alberto della Rovere, Rodrigo Silva
Introduction
Over the last two decades, Fe-Mn-Si-Cr-Ni-Co shape memory stainless steels (SMSS) have drawn considerable attention as a cost-effective alternative to non-ferrous (NiTi and Cu based) conventional shape memory alloys.
Zhou: Journal of Materials Science Vol. 41 (2006), p. 3441
Espinoux: Journal of Nuclear Materials Vol. 375 (2008), p. 52
Kuri: Journal of Alloys and Compounds Vol. 509 (2011), p. 5376
Spagnol: Journal of Nuclear Materials Vol. 375 (2008), p. 65
Zhou: Journal of Materials Science Vol. 41 (2006), p. 3441
Espinoux: Journal of Nuclear Materials Vol. 375 (2008), p. 52
Kuri: Journal of Alloys and Compounds Vol. 509 (2011), p. 5376
Spagnol: Journal of Nuclear Materials Vol. 375 (2008), p. 65
Online since: August 2023
Authors: Meryem Hajji Nabih, Maryam Elhajam, Noureddine Idrissi Kandri, Abdelaziz Zerouale, Hamza Boulika
The removal of these organic pollutants by conventional physico-chemical treatments only accumulates the components of these dyes and cannot transform them into harmless compounds [2,3].
Wang et al. reported the role of Ag as a prominent luminescent activator in semiconductor compounds [15].
Thus, it can be concluded that these composite materials are promising for industrial application aimed at depolluting their non-biodegradable organic effluents.
Hayakawa, Influence of Al doping on the structural, morphological, optical, and gas sensing properties of ZnO nanorods, J Alloys Compd. 698 (2017) 555–564. https://doi.org/10.1016/j.jallcom.2016.12.187
Xiang, Band gap engineering of transition metal (Ni/Co) codoped in zinc oxide (ZnO) nanoparticles, J Alloys Compd. 744 (2018) 90–95. https://doi.org/10.1016/J.JALLCOM.2018.02.072
Wang et al. reported the role of Ag as a prominent luminescent activator in semiconductor compounds [15].
Thus, it can be concluded that these composite materials are promising for industrial application aimed at depolluting their non-biodegradable organic effluents.
Hayakawa, Influence of Al doping on the structural, morphological, optical, and gas sensing properties of ZnO nanorods, J Alloys Compd. 698 (2017) 555–564. https://doi.org/10.1016/j.jallcom.2016.12.187
Xiang, Band gap engineering of transition metal (Ni/Co) codoped in zinc oxide (ZnO) nanoparticles, J Alloys Compd. 744 (2018) 90–95. https://doi.org/10.1016/J.JALLCOM.2018.02.072
Online since: April 2014
Authors: Esa Vuorinen, Jesper Vang, Malo Carradot, Pernilla Johansson, Erik Navara
The aim of this work has been to investigate the possibilites to produce CFB-steels by pressing and sintering.
Si was added as Fe45Si pre-alloyed powder, P was added as pre-alloyed Fe3P powder, Mn as Fe81Mn powder and graphite and kenolube were added separately.
The austempering temperature was chosen above the calculated martensite start (Ms) temperatures for the average composition of the alloys [12].
Journal of Alloys and Compounds, 363 (2004) 194-202
Ductile components of phosphorous-alloyed P/M steel.
Si was added as Fe45Si pre-alloyed powder, P was added as pre-alloyed Fe3P powder, Mn as Fe81Mn powder and graphite and kenolube were added separately.
The austempering temperature was chosen above the calculated martensite start (Ms) temperatures for the average composition of the alloys [12].
Journal of Alloys and Compounds, 363 (2004) 194-202
Ductile components of phosphorous-alloyed P/M steel.
Online since: January 2013
Authors: Ying Bo Chen, Guo Feng Gao, Lian Yong Yu, Bin Yao
The present article aims to prepare a porous polymer capsule with huge holes inside the capsules and catalytic nickel particles on the surface [10].
Yao, Progress in sodium borohydride as a hydrogen storage material: Development of hydrolysis catalysts and reaction systems, International Journal of Hydrogen Energy, 36 (2011) 5983- 5997
Zenhausern, Room temperaturemicro-hydrogen-generator, Journal of Power Sources, 149 (2005) 15-21
Suda, Solid sodium borohydride as a hydrogensource for fuel cells, Journal of Alloys and Compounds, 468 (2009) 493-498
Laversenna, et al., A multifactor study of catalyzed hydrolysis of solid NaBH4 on cobaltnanoparticles: Thermodynamics and kinetics, International Journal of Hydrogen Energy, 34 (2009) 938-951
Yao, Progress in sodium borohydride as a hydrogen storage material: Development of hydrolysis catalysts and reaction systems, International Journal of Hydrogen Energy, 36 (2011) 5983- 5997
Zenhausern, Room temperaturemicro-hydrogen-generator, Journal of Power Sources, 149 (2005) 15-21
Suda, Solid sodium borohydride as a hydrogensource for fuel cells, Journal of Alloys and Compounds, 468 (2009) 493-498
Laversenna, et al., A multifactor study of catalyzed hydrolysis of solid NaBH4 on cobaltnanoparticles: Thermodynamics and kinetics, International Journal of Hydrogen Energy, 34 (2009) 938-951
Online since: April 2022
Authors: Ifeoluwaposi Ogundana, Adewale Olalemi, Daniel Arotupin
Corrosion of metals may be controlled by taking suitable preventive measures such as painting, plating, use of expensive alloys, use of inhibitors, etc.
Although, synthetic compounds have been proven to be good inhibitors in nature, but some may be toxic to the environment and the media.
The phytochemical compounds in Neem include alkaloids, steroids, flavonoids, tannins, glycosides, phenols, thus suggesting that Neem may be a good green corrosion inhibitor.
Tannins and flavonoids are poly phenolic compounds which contain hydroxyl group bonded to aromatic carboxyl group [19].
Abdulwahab, Effect of Aqueous Extract of Bitter Leaf Power on Corrosion Inhibition of Al-Si Alloy in 0.5 Caustic Soda Solution, Journal of Minerals and Materials characterization & Engineering. 11 (2012) 667- 670
Although, synthetic compounds have been proven to be good inhibitors in nature, but some may be toxic to the environment and the media.
The phytochemical compounds in Neem include alkaloids, steroids, flavonoids, tannins, glycosides, phenols, thus suggesting that Neem may be a good green corrosion inhibitor.
Tannins and flavonoids are poly phenolic compounds which contain hydroxyl group bonded to aromatic carboxyl group [19].
Abdulwahab, Effect of Aqueous Extract of Bitter Leaf Power on Corrosion Inhibition of Al-Si Alloy in 0.5 Caustic Soda Solution, Journal of Minerals and Materials characterization & Engineering. 11 (2012) 667- 670
Online since: March 2011
Authors: Laurent Barrallier, Christophe Valot, Regis Kubler, Hervé Palancher, Olivier Boquet
Introduction
U–Mo dispersion fuels in Al-alloys are being developed to fulfill the requirements of low enriched uranium in research and test reactors.
During irradiation and thermal annealing, an interaction occurs between the U-Mo alloy and the surrounding aluminium matrix.
For SP2, an automatic optical adjustment system enables to control the size of the windows aiming for local micro analysis.
Kim Low-temperature irradiation behavior of uranium–molybdenum alloy dispersion fuel, J.
Dubois, Evidence for the presence of U–Mo–Al ternary compounds in the U–Mo/Al interaction layer grown by thermal annealing: a coupled micro X-ray diffraction and micro X-ray absorption spectroscopy study, J.
During irradiation and thermal annealing, an interaction occurs between the U-Mo alloy and the surrounding aluminium matrix.
For SP2, an automatic optical adjustment system enables to control the size of the windows aiming for local micro analysis.
Kim Low-temperature irradiation behavior of uranium–molybdenum alloy dispersion fuel, J.
Dubois, Evidence for the presence of U–Mo–Al ternary compounds in the U–Mo/Al interaction layer grown by thermal annealing: a coupled micro X-ray diffraction and micro X-ray absorption spectroscopy study, J.
Online since: August 2018
Authors: Mikhail Arkulis, Oxana Logunova, Denis Dolgushin
The aim of this investigation is to provide theoretical justification of the crystallizing nucleus formation in liquid iron.
Gornostyrev, Role of Magnetism in the Formation of a ShortRangeOrderinan Fe-Ga Alloy, JETP Letters. 98(12) (2013) 809-812
Matveev, Influence of impulse magnetic processing on crystallization of flexible polymers, High-molecular weight compound. 45(2) (2003) 217-223
Shamaev, Influence of weak impulse magnetic fields on modified wood, Letters to the journal of applied physics 31(9) (2005) 14-19
Alekseenko, Influence of pulsed magnetic field on the structural conditions in oxide glass, Journal of applied physics. 68(10) (1998) 50-54
Gornostyrev, Role of Magnetism in the Formation of a ShortRangeOrderinan Fe-Ga Alloy, JETP Letters. 98(12) (2013) 809-812
Matveev, Influence of impulse magnetic processing on crystallization of flexible polymers, High-molecular weight compound. 45(2) (2003) 217-223
Shamaev, Influence of weak impulse magnetic fields on modified wood, Letters to the journal of applied physics 31(9) (2005) 14-19
Alekseenko, Influence of pulsed magnetic field on the structural conditions in oxide glass, Journal of applied physics. 68(10) (1998) 50-54
Online since: March 2020
Authors: David A. Porter, Antti Kaijalainen, Jukka I. Kömi, Mohammed Ali, Jaakko Hannula
This work aims at elucidating the combined effects of prior austenite deformation and Cr content on continuous cooling phase transformation, microstructure and hardness in the case of a newly developed low-carbon bainitic steel.
Compared to the more highly alloyed steel A, hardness is more sensitive to CR and austenite deformation (see Fig. 2c and d).
Over the wide range of cooling rates 2 to 80 °C/s, hardness increased from 207 to 261 HV, when alloying with 1 wt.% Cr, but only from 297 to 337 HV when alloying with 4 wt.% Cr
Liang, The influence of chromium on the pearlite-austenite transformation kinetics of the Fe–Cr–C ternary steels, Journal of Alloys and Compounds. 648 (2015) 494–499. doi:10.1016/j.jallcom.2015.06.259
Grajcar, Influence of plastic deformation on CCT-diagrams of new-developed microalloyed steel, Journal of Achievements in Materials and Manufacturing Engineering. 51 (2012) 78–89
Compared to the more highly alloyed steel A, hardness is more sensitive to CR and austenite deformation (see Fig. 2c and d).
Over the wide range of cooling rates 2 to 80 °C/s, hardness increased from 207 to 261 HV, when alloying with 1 wt.% Cr, but only from 297 to 337 HV when alloying with 4 wt.% Cr
Liang, The influence of chromium on the pearlite-austenite transformation kinetics of the Fe–Cr–C ternary steels, Journal of Alloys and Compounds. 648 (2015) 494–499. doi:10.1016/j.jallcom.2015.06.259
Grajcar, Influence of plastic deformation on CCT-diagrams of new-developed microalloyed steel, Journal of Achievements in Materials and Manufacturing Engineering. 51 (2012) 78–89