Search Results - "Ghilarducci, A"

Evaluation of dislocation density and interstitial carbon content in quenched and tempered steel by internal friction by Hoyos, J.J., Ghilarducci, A.A., Mari, D.

“…In this work, mechanical spectroscopy (internal friction) is used for a qualitative evaluation of interstitial carbon content in martensite and of the…”
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Comment on “Experimental verification of segregation of carbon and precipitation of carbides due to deep cryogenic treatment for tool steel by internal friction method” by Li et al. [Mater. Sci. Eng. A 575 (2013) 51–60] by Hoyos, J.J., Vélez, J.M., Ghilarducci, A.A.

“…We want to make three comments to the article by Li et al. [1]. The first one is the interpretation of the internal friction peak at 382K, which they…”
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Effect of carbon nanotubes purification in the performance of a negative electrode of a Ni/MH battery by Benavides, L.A., Cuscueta, D.J., Troiani, H., Ghilarducci, A.A., Salva, H.R.

“…Multiwall carbon nanotubes (MWCNT) with a diameter of 30–50 nm was added to the negative electrode of a Ni–MH battery in order to study the effect of its…”
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Inner pressure characterization of a sealed nickel-metal hydride cell by Cuscueta, D.J., Salva, H.R., Ghilarducci, A.A.

“…▶ We study the inner pressure of gases inside a sealed Ni-MH cell. ▶ The inner cell at continuous use does not increase for I c up to 0.5 C. ▶ Overcharges at…”
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Correlation between the internal friction and fracture mechanism in quenched and tempered carbon steels by Hoyos, J.J., Salva, H.R., Vélez, J.M., Ghilarducci, A.A.

“…The mechanical behavior of quenched and tempered steels is analyzed by mechanical spectroscopy (internal friction), hardness measurements, Charpy impact and…”
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Scaled-up production of a promising Mg-based hydride for hydrogen storage by Molinas, B., Ghilarducci, A.A., Melnichuk, M., Corso, H.L., Peretti, H.A., Agresti, F., Bianchin, A., Lo Russo, S., Maddalena, A., Principi, G.

“…The feasibility of scaling up the production of a Mg-based hydride as material for solid state hydrogen storage is demonstrated in the present work. Magnesium…”
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An EIS based study of a Ni–MH battery prototype. Modeling and identification analysis by Castro, E.B., Cuscueta, D.J., Milocco, R.H., Ghilarducci, A.A., Salva, H.R.

“…Modeling and simulation of the dynamics of batteries is a useful method to improve design and predict their performance. This paper outlines the development of…”
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Design, elaboration and characterization of a Ni–MH battery prototype by Cuscueta, D.J., Ghilarducci, A.A., Salva, H.R.

“…This paper shows advances achieved in the design and construction of a nickel–metal hydride (Ni–MH) battery prototype. The requirements of the design were to…”
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Magnesium influence in the electrochemical properties of La–Ni base alloy for Ni–MH batteries by Cuscueta, D.J., Melnichuk, M., Peretti, H.A., Salva, H.R., Ghilarducci, A.A.

“…The effect of the substitution of La by Mg in the hypo-stoichiometric La 1 - x Mg x Ni 3.8 Co 0.3 Mn 0.3 Al 0.4 ( x = 0.00 , 0.05, 0.10, 0.15 and 0.20) hydride…”
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Internal friction in martensitic carbon steels by Hoyos, J.J., Ghilarducci, A.A., Salva, H.R., Chaves, C.A., Vélez, J.M.

“…This paper proposes relationships between the internal friction and the microstructure of two steels containing 0.626 and 0.71 wt.% carbon. The steels were…”
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Microstructure and hard magnetic properties in bulk rods of Nd60Fe30Al10 glass forming alloys by Levingston, J.M., Valente, R., Ghilarducci, A.A., Fabietti, L.M., Salva, H.R., Urreta, S.E.

“…The Nd60Fe30Al10 alloy exhibits a large glass forming ability which allows to obtain relatively thick cast rods containing large volume fractions of amorphous…”
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Effects of tempering on internal friction of carbon steels by Hoyos, J.J., Ghilarducci, A.A., Salva, H.R., Chaves, C.A., Vélez, J.M.

“…► Time tempering dependent microstructure of two steels is studied by internal friction. ► Internal friction indicates the interactions of dislocations with…”
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Damping behavior of physical vapor-deposited TiN coatings on AISI 304 stainless steel and adhesion determinations by Colorado, H.A., Vélez, J., Salva, H.R., Ghilarducci, A.A.

“…Internal friction and elastic modulus measurements were carried out on AISI 304 stainless steel coated by physical vapor-deposited TiN, using a torsion…”
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Mechanical damping in nanostructured Nd60Fe30Al10 magnetic alloys by SALVA, H. R, FABIETTI, L. M, GHILARDUCCI, A. A, URRETA, S. E

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Damage zone produced by the bombardment of stainless steel using Ti nitride PVD coatings by Colorado, H.A., Ghilarducci, A.A., Salva, H.R., Suárez, S.

“…This paper presents the damage zone and defects produced by TiN thin film deposition on stainless steel using DC magnetron sputtering to produce collisions…”
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Internal friction in melt spun Nd60Fe30Al10 magnetic nanostructures by SALVA, H. R, URRETA, S. E, FABIETTI, L. M, GHILARDUCCI, A. A

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Hydrogen related peaks in Cu-LaNi4.7Al0.3 by CUSCUETA, D. J, SALVA, H. R, GHILARDUCCI, A. A, RUIZ, F. C

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The negative electrode development for a Ni–MH battery prototype by Cuscueta, D.J., Ghilarducci, A.A., Salva, H.R., Milocco, R.H., Castro, E.B.

“…The negative electrode development for a nickel-metal hydride battery (Ni–MH) prototype was performed with the following procedure: (1) the Lm 0.95Ni 3.8Co…”
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Relaxation of substitutive atoms in manganites La2/3A1/3MnO3, with A = Ca, Sr and Ba by SALVA, H. R, SEIRO, S. S, GHILARDUCCI, A. A

“…We have studied an internal friction (IF) peak at 400K which appears when site A in manganite type ABO3 is partially substituted by Ca, Sr and Ba atoms. In the…”
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Fracture behaviour of an Al–Mg–Si industrial alloy by Urreta, S.E., Louchet, F., Ghilarducci, A.

“…The tensile fracture behaviour of an Al–0.89 wt.% Mg 2Si industrial alloy is studied. It is found that the alloy deforms in a highly localised way only in the…”
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