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- Bernhard, Iréne, 1953-, et al.
(author)
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A digital society for all? : Meanings, practices and policies for digital diversity
- 2019
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In: Proceedings of the 52nd Hawaii International Conference on System Sciences, 2019. - Honolulu, HI, USA. - 9780998133126 ; , s. 3067-3076
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Conference paper (peer-reviewed)abstract
- The concept of digital divides has been on the agenda in research and policy making for at least the last 20 years. But it is still, a challenge to grasp this concept that is so elusive and transforming. Inclusion, access and equality are still key values for democratic governance and must be addressed in particular when forming and contributing to a digital government. This paper seeks to intervene in current debates on digital divides and digital inclusion by analyzing two cases of responses among street-level public administration in relation to e-government services in Sweden. The case studies are strategically chosen and conducted in national agencies and in local public libraries. Three lines of contributions are discussed, firstly thei mportance to care for equality secondly the need to seethe non-users, and thirdly to discuss the potential of putting focus on digital diversity.
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| 2. |
- Sadeghimeresht, Esmaeil, 1985-, et al.
(author)
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Isothermal Oxidation Behavior of EBM-Additive Manufactured Alloy 718
- 2018
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In: Proceedings of the 9th International Symposium on Superalloy 718 & Derivatives. - Cham : Springer. - 9783319894799 - 9783319894805 ; , s. 219-240
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Conference paper (peer-reviewed)abstract
- Oxidation of Alloy 718 manufactured by electron beam melting (EBM) process has been undertaken in ambient air at 650, 700, and 800 °C for up to 168 h. At 800 °C, a continuous external chromia oxide enriched in (Cr, Ti, Mn, Ni) and an internal oxide that was branched structure of alumina formed, whereas at 650 and 700 °C, a continuous, thin and protective chromia layer was detected. The oxidation kinetics of the exposed EBM Alloy 718 followed the parabolic rate law with an effective activation energy of ~248 ± 22 kJ/mol in good agreement with values in the literature for conventionally processed chromia-forming Ni-based superalloys. The oxide scale formed on the surface perpendicular to the build direction was slightly thicker, and more adherent compared to the scale formed on the surface along the build direction, attributed to the varied grain texture in the two directions of the EBM-manufactured specimens. The increased oxygen diffusion and high Cr depletion found on the surface along the build direction were attributed to the fine grains and formation of vacancies/voids along this grain orientation.
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