Rivista e Edizione

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Volume 21 (2021): Edizione 3 (September 2021)

Volume 21 (2021): Edizione 2 (June 2021)

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Volume 20 (2020): Edizione 4 (December 2020)

Volume 20 (2020): Edizione 3 (September 2020)

Volume 20 (2020): Edizione 2 (June 2020)

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Volume 19 (2019): Edizione 4 (December 2019)

Volume 19 (2019): Edizione 3 (September 2019)

Volume 19 (2019): Edizione 2 (June 2019)

Volume 19 (2019): Edizione 1 (March 2019)

Volume 18 (2018): Edizione 4 (December 2018)

Volume 18 (2018): Edizione 3 (September 2018)

Volume 18 (2018): Edizione 2 (June 2018)

Volume 18 (2018): Edizione 1 (March 2018)

Volume 17 (2017): Edizione 4 (December 2017)

Volume 17 (2017): Edizione 3 (September 2017)

Volume 17 (2017): Edizione 2 (June 2017)

Volume 17 (2017): Edizione 1 (March 2017)

Volume 16 (2016): Edizione 4 (December 2016)

Volume 16 (2016): Edizione 3 (September 2016)

Volume 16 (2016): Edizione 2 (June 2016)

Volume 16 (2016): Edizione 1 (March 2016)

Volume 15 (2015): Edizione 4 (December 2015)

Volume 15 (2015): Edizione 3 (September 2015)

Volume 15 (2015): Edizione 2 (June 2015)

Volume 15 (2015): Edizione 1 (March 2015)

Volume 14 (2014): Edizione 4 (December 2014)

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Volume 14 (2014): Edizione 2 (June 2014)

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Volume 13 (2013): Edizione 4 (December 2013)

Volume 13 (2013): Edizione 3 (September 2013)

Volume 13 (2013): Edizione 2 (June 2013)

Volume 13 (2013): Edizione 1 (March 2013)

Volume 12 (2012): Edizione 4 (December 2012)

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Volume 8 (2008): Edizione 4 (December 2008)

Volume 8 (2008): Edizione 3 (September 2008)

Volume 8 (2008): Edizione 2 (June 2008)

Volume 8 (2008): Edizione 1 (March 2008)

Dettagli della rivista
Formato
Rivista
eISSN
2083-4799
ISSN
1730-2439
Pubblicato per la prima volta
23 Sep 2008
Periodo di pubblicazione
4 volte all'anno
Lingue
Inglese

Cerca

Volume 13 (2013): Edizione 2 (June 2013)

Dettagli della rivista
Formato
Rivista
eISSN
2083-4799
ISSN
1730-2439
Pubblicato per la prima volta
23 Sep 2008
Periodo di pubblicazione
4 volte all'anno
Lingue
Inglese

Cerca

3 Articoli
Accesso libero

The Influence of Added Inhibitors on Corrosion of Steel in Concrete Exposed to Chloride Containing Solutions

Pubblicato online: 27 Jul 2013
Pagine: 5 - 11

Astratto

Abstract

Durability of concrete structures decrease due to corrosion in structures exposed to corrosive conditions. Several methods are adopted to minimize corrosion of steel in concrete; one of the methods is the use of inhibitors. In this work, the effect of inhibitor addition on corrosion of steel in concrete was investigated. Inhibitors added to concrete mix in different ratios, samples then immersed in 3.5% NaCl, and in Dead Sea Water for 15 months. Potential of steel reinforcement was measured by copper sulfate electrode according to ASTM C876. Results showed that an addition of 2% calcium nitrate or more was acceptable for adequate protection.

Keywords

  • concrete
  • steel
  • inhibitors
  • Calcium nitrate
Accesso libero

Bainite Transformation in Experimental Fe-Cr-Mo-V-Ti-C Steel

Pubblicato online: 27 Jul 2013
Pagine: 12 - 18

Astratto

Abstract

The mechanism and kinetics of bainite transformation have been studied in Fe-Cr-Mo-V-Ti-C steel using high speed dilatometry and transmission electron microscopy (TEM) backed by thermodynamic analysis. At any temperature investigated did not occur the complete transformation of austenite. Obtained results confirm the incomplete reaction phenomenon with the cessation of the bainite transformation well before paraequilibrium is achieved. These experimental data indicate that bainitic ferrite forms by a displacive transformation mechanism, but soon afterwards, excess of carbon is partitioned into the residual austenite.

Keywords

  • mechanism of bainite transformation
  • kinetics
  • lower
  • upper bainite
Accesso libero

Degradation of GFRP Marine Laminates with Nano Particle Modified Coatings

Pubblicato online: 27 Jul 2013
Pagine: 19 - 22

Astratto

Abstract

Water absorption and surface blistering behaviour was studied for polyester-matrix laminates with SiO2 nanoparticle reinforced gel coats. Accelerated water immersion tests at 37°C showed that addition of 10% nanoparticles increases blisters incubation time by ca. 50% compared to 5% and 0% nanoparticles composites.

Keywords

  • Polymer composites
  • nano composite
  • durability
  • scanning electron microscopy (SEM)
3 Articoli
Accesso libero

The Influence of Added Inhibitors on Corrosion of Steel in Concrete Exposed to Chloride Containing Solutions

Pubblicato online: 27 Jul 2013
Pagine: 5 - 11

Astratto

Abstract

Durability of concrete structures decrease due to corrosion in structures exposed to corrosive conditions. Several methods are adopted to minimize corrosion of steel in concrete; one of the methods is the use of inhibitors. In this work, the effect of inhibitor addition on corrosion of steel in concrete was investigated. Inhibitors added to concrete mix in different ratios, samples then immersed in 3.5% NaCl, and in Dead Sea Water for 15 months. Potential of steel reinforcement was measured by copper sulfate electrode according to ASTM C876. Results showed that an addition of 2% calcium nitrate or more was acceptable for adequate protection.

Keywords

  • concrete
  • steel
  • inhibitors
  • Calcium nitrate
Accesso libero

Bainite Transformation in Experimental Fe-Cr-Mo-V-Ti-C Steel

Pubblicato online: 27 Jul 2013
Pagine: 12 - 18

Astratto

Abstract

The mechanism and kinetics of bainite transformation have been studied in Fe-Cr-Mo-V-Ti-C steel using high speed dilatometry and transmission electron microscopy (TEM) backed by thermodynamic analysis. At any temperature investigated did not occur the complete transformation of austenite. Obtained results confirm the incomplete reaction phenomenon with the cessation of the bainite transformation well before paraequilibrium is achieved. These experimental data indicate that bainitic ferrite forms by a displacive transformation mechanism, but soon afterwards, excess of carbon is partitioned into the residual austenite.

Keywords

  • mechanism of bainite transformation
  • kinetics
  • lower
  • upper bainite
Accesso libero

Degradation of GFRP Marine Laminates with Nano Particle Modified Coatings

Pubblicato online: 27 Jul 2013
Pagine: 19 - 22

Astratto

Abstract

Water absorption and surface blistering behaviour was studied for polyester-matrix laminates with SiO2 nanoparticle reinforced gel coats. Accelerated water immersion tests at 37°C showed that addition of 10% nanoparticles increases blisters incubation time by ca. 50% compared to 5% and 0% nanoparticles composites.

Keywords

  • Polymer composites
  • nano composite
  • durability
  • scanning electron microscopy (SEM)

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