umu.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Screening-Level Life Cycle Assessment of Graphene-Poly(ether imide) Coatings Protecting Unalloyed Steel from Severe Atmospheric Corrosion
Umeå University, Faculty of Science and Technology, Department of Chemistry.
2017 (English)In: ACS Sustainable Chemistry & Engineering, ISSN 2168-0485, Vol. 5, no 3, 2656-2667 p.Article in journal (Refereed) Published
Abstract [en]

A major concern for exposed steel in structural applications is susceptibility to atmospheric corrosion. The International Organization for Standardization classifies atmospheric environments into six zones, C1-C5 and CX, based on factors such as humidity, airborne salinity, and acidic pollutants. The C5 and CX zones are characterized by aggressive atmospheric corrosivity that results in mass losses from steel structures. hot-dipped galvanized (HDG) zinc coatings are typically used to protect steel in C5 and CX environments. HDG coatings suffer from disadvantages related to shorter service lives and the need for frequent maintenance cycles. Graphene-reinforced poly(ether imide) (PEI) coatings have been proposed as suitable alternatives to address these issues. However, general concerns regarding the implications of nanomaterials make it necessary to understand the potential environmental impacts of these coatings. A screening-level cradle-to-grave life cycle assessment is conducted to evaluate the environmental performance of a graphene-PEI-steel structure when compared with a traditional HDG-zinc-steel structure. Impact assessment scores are calculated using the Tool for the Reduction and Assessment of Environmental and other Potential impacts v2.1 and SimaPro (v8.0.3). When considering inventory uncertainty, the graphene-PEI-steel structure yields smaller potential impacts in five of the ten categories assessed when assuming the graphene-based coating requires no maintenance during the service life of the structure. Scenario-based sensitivity studies reveal that the potential impacts are highly sensitive to the service life and maintenance needs of the coating, but insensitive to the use of thermally or chemically functionalized graphene to improve coating adhesion. Further research is needed to understand the long-term performance of the graphene-based coatings and reduce the uncertainty of the inventory.

Place, publisher, year, edition, pages
2017. Vol. 5, no 3, 2656-2667 p.
Keyword [en]
Corrosion, Graphene, Civil infrastructure, Life cycle analysis, Sustainability
National Category
Manufacturing, Surface and Joining Technology
Identifiers
URN: urn:nbn:se:umu:diva-133780DOI: 10.1021/acssuschemeng.6b03005ISI: 000395846900070OAI: oai:DiVA.org:umu-133780DiVA: diva2:1090672
Available from: 2017-04-25 Created: 2017-04-25 Last updated: 2017-04-25Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Upadhyayula, Venkata K. K.
By organisation
Department of Chemistry
Manufacturing, Surface and Joining Technology

Search outside of DiVA

GoogleGoogle Scholar

Altmetric score

Total: 19 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf