Sökning: "per fredriksson"

Visar resultat 1 - 5 av 23 avhandlingar innehållade orden per fredriksson.

  1. 1. A strain gradient plasticity analysis of size effects in thin films

    Författare :Per Fredriksson; Peter Gudmundsson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Other engineering mechanics; Övrig teknisk mekanik;

    Sammanfattning : .... LÄS MER

  3. 2. Modelling and simulation of plastic deformation on small scales : interface conditions and size effects of thin films

    Författare :Per Fredriksson; Peter Gudmundson; Christian Niordson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Strain gradient plasticity; Size effects; Thin films; Interface; Finite element method; Dislocations; Constitutive behaviour; Hardening behaviour; Indentation; Contact mechanics; Metal matrix composites; Engineering mechanics; Teknisk mekanik;

    Sammanfattning : Contrary to elastic deformation, plastic deformation of crystalline materials, such as metals, is size-dependent. Most commonly, this phenomenon is present but unnoticed, such as the effect of microstructural length scales. LÄS MER

  4. 3. Discrimination, Sickness Absence, and Labor Market Policy

    Författare :Jonas Lagerström; Per-Anders Edin; Peter Fredriksson; Alan B. Krueger; Uppsala universitet; []
    Nyckelord :Economics; Discrimination; Unobserved heterogeneity; Absenteeism; Social experiment; Active labor market policy; Program evaluation; Nationalekonomi; nationalekonomi; Economics;

    Sammanfattning : This dissertation consists of an introduction and four self-contained essays:Essay 1 (with Stefan Eriksson) investigates empirically whether being unemployed per se reduces the probability of getting contacted by a firm. Individuals registered at the Swedish employment offices post their qualifications in a database available to employers over the Internet. LÄS MER

  5. 4. Empirical Essays on Education and Social Insurance Policies

    Författare :Caroline Hall; Per Johansson; Peter Fredriksson; Richard Blundell; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Nationalekonomi; nationalekonomi; Economics;

    Sammanfattning : This thesis consists of four self-contained essays. Essay 1: This paper evaluates the ef­fects of the introduction of a more comprehensive upper secondary school system in Swe­den in the 1990s. LÄS MER

  7. 5. Evaluating Institutional Changes in Education and Wage Policy

    Författare :Martin Söderström; Peter Fredriksson; Per-Anders Edin; Kjell Salvanes; Uppsala universitet; []
    Nyckelord :Economics; Economics; Nationalekonomi; nationalekonomi; Economics;

    Sammanfattning : This thesis consists of four self-contained essays. Essay I (written with Roope Uusitalo) studies the effects of school choice on segregation. We analyse a reform in Stockholm that changed the admission system of public upper secondary schools. LÄS MER