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Sökning: swepub > Johansson Börje > Göteborgs universitet

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1.
  • Vitos, Levente, et al. (författare)
  • Stacking fault energy and magnetism in austenitic stainless steels
  • 2008
  • Ingår i: Physica Scripta. - : Institute of Physics (IOP). - 0031-8949 .- 1402-4896. ; 77:6
  • Tidskriftsartikel (refereegranskat)abstract
    • The stacking fault energies are used to illustrate the footprint of magnetism on the mechanical properties of Fe-Cr-Ni alloys forming the basis of austenitic stainless steels. We find that the usual chemical effects of alloying additions are accompanied by major magnetic effects, which stabilize the most common industrial alloy steels at normal service temperatures. We suggest that part of the uncertainties associated with the experimental data on the stacking fault energies are due to the strong concentration and temperature dependence originating from the persisting local magnetic moments.
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2.
  • Holmberg, Ingvar, et al. (författare)
  • A simultaneous model of long-term regional job and population changes
  • 2019
  • Ingår i: The Economics of Disappearing Distance. Börje Johansson (red.). - : Taylor and Francis. - 9781315194479 ; , s. 161-189, s. 161-189
  • Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
    • This chapter examines a model structure that can project multiregional job and populations dynamics. Such dynamics include the attraction of firms and households to each functional region. The method to identify a region’s internal market potential is in a fundamental way related to the delineation of the geographic extension of a functional region. A functional region is distinguished by its concentration of activities and of its infrastructure which facilitates particularly high factor mobility within its interaction borders. The resource-based theory has been challenged in recent decades by scale-based models, which explain location and trade patterns in a context of internal and external economies of scale. The chapter presents model for long term projection of employment and population growth in Swedish municipalities. In Sweden a functional region normally consists of several interacting municipalities. Such a group of municipalities is considered to be integrated into a region when the interaction between the municipalities is intensive.
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