Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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Materials Map under construction

The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (3/3 displayed)

  • 2021In-vitro mechanical and biological evaluation of novel zirconia reinforced bioglass scaffolds for bone repair27citations
  • 2019Shear bond strength of PEEK and PEEK-30GF cemented to zirconia or titanium substrates9citations
  • 2018Influence of laser structuring of PEEK, PEEK-GF30 and PEEK-CF30 surfaces on the shear bond strength to a resin cement44citations

Places of action

Chart of shared publication
Fredel, M. C.
1 / 15 shared
Galárraga-Vinueza, M. E.
1 / 1 shared
Souza, J. C. M.
1 / 10 shared
Boccaccini, Aldo R.
1 / 77 shared
Henriques, Bruno
3 / 64 shared
Silva, Filipe S.
3 / 36 shared
Galárraga-Vinueza, María E.
1 / 2 shared
Boccaccini, A. R.
1 / 193 shared
Henriques, B.
1 / 14 shared
Silva, F. S.
1 / 28 shared
Gouveia, P. F.
1 / 1 shared
Fredel, Márcio C.
2 / 15 shared
Detsch, Rainer
1 / 191 shared
Matias De Souza, Júlio César
3 / 75 shared
Gouveia, Paula F.
1 / 1 shared
Mesquita-Guimarães, J.
1 / 9 shared
Fredel, Márcio
1 / 4 shared
Fabris, Douglas
2 / 6 shared
Tuyama, Eduardo
1 / 1 shared
Sousa, Anne C.
1 / 1 shared
Hammes, Nathalia
1 / 3 shared
Chart of publication period
2021
2019
2018

Co-Authors (by relevance)

  • Fredel, M. C.
  • Galárraga-Vinueza, M. E.
  • Souza, J. C. M.
  • Boccaccini, Aldo R.
  • Henriques, Bruno
  • Silva, Filipe S.
  • Galárraga-Vinueza, María E.
  • Boccaccini, A. R.
  • Henriques, B.
  • Silva, F. S.
  • Gouveia, P. F.
  • Fredel, Márcio C.
  • Detsch, Rainer
  • Matias De Souza, Júlio César
  • Gouveia, Paula F.
  • Mesquita-Guimarães, J.
  • Fredel, Márcio
  • Fabris, Douglas
  • Tuyama, Eduardo
  • Sousa, Anne C.
  • Hammes, Nathalia
OrganizationsLocationPeople

article

Influence of laser structuring of PEEK, PEEK-GF30 and PEEK-CF30 surfaces on the shear bond strength to a resin cement

  • Henriques, Bruno
  • Fabris, Douglas
  • Mesquita-Guimarães, Joana
  • Sousa, Anne C.
  • Silva, Filipe S.
  • Hammes, Nathalia
  • Matias De Souza, Júlio César
  • Fredel, Márcio C.
Abstract

<p>Objectives: The aim of this study was to evaluate the influence of a surface conditioning technique using laser ablation and acid etching on PEEK substrate on its bonding strength to a resin cement. Materials and methods: Cylindrical specimens of unfilled PEEK, 30% glass fiber reinforced PEEK and 30% carbon fiber reinforced PEEK were separated in four groups according to the following surface treatments: acid etching with H<sub>2</sub>SO<sub>4</sub>, laser ablation with 200 µm holes spaced 400 µm apart (D2E4), laser ablation with 200 µm holes spaced 600 µm apart (D2E6), and laser ablation (D2E4) followed by acid etching. A dual-curing resin cement (Allcem CORE) was then applied to the PEEK surface. Specimens were aged in distilled water at 37 °C for 24 h. Shear bond strength tests were performed to the fracture of the samples. Two-way ANOVA statistical analysis was performed with a significance level of 0.05. Scanning electron microscopy analysis was performed to analyse the conditioned and fracture surfaces. Results: SEM images of the test interfaces showed that the resin cement could not flow in the holes designed by the laser ablation on the PEEK surface. The shear bond strength of PEEK to resin cement was not improved by the surface modification of the PEEK. Also, there was a statistically significant decrease in shear bond strength for unfilled PEEK specimens. On carbon or glass reinforced PEEK, the change was not significant. SEM images of the fracture surfaces revealed that the failure mode was mainly adhesive. Conclusions: Although laser ablation promoted the PEEK surface modification by the formation of retentive holes, the test resin cement could not thoroughly flow on the rough modified surfaces to establish an effective mechanical interlocking. That negatively affected the shear bonding strength of PEEK to the resin cement. Further studies should be carried out to increase the bonding between PEEK and resin cements.</p>

Topics
  • surface
  • Carbon
  • scanning electron microscopy
  • glass
  • glass
  • strength
  • cement
  • etching
  • resin
  • curing
  • laser ablation