Search for dissertations about: "hot working"

Showing result 1 - 5 of 65 swedish dissertations containing the words hot working.

  2. 1. Hot working of powders : procedure and products

    Author : Björn Arén; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Engineering Materials; Materialteknik;

    Abstract : This dissertation can be divided into two main parts. The first deals with the hot working conditions of mild steels in powder forging, the second with the deformation behaviour of powder forged products; both monolithic and compound parts are studied. READ MORE

  4. 2. Too Hot! : an Epidemiological Investigation of Weather-Related Mortality in Rural India

    Author : Vijendra Ingole; Barbara Schumann; Joacim Rocklöv; Rainer Sauerborn; Sanjay Juvekar; Patrick Kinney; Umeå universitet; []
    Keywords : Temperature; heat and cold; mortality; education; socioeconomic status; occupation; rural population; India; folkhälsa; Public health;

    Abstract : BackgroundMost environmental epidemiological studies are conducted in high income settings. The association between ambient temperature and mortality has been studied worldwide, especially in developed countries. READ MORE

  5. 3. Tribology in Metal Working

    Author : Maria Nilsson; Staffan Jacobson; Mikael Olsson; Magnus Jarl; Uppsala universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Tribology; friction; wear; metal working; coatings; wire drawing; hot work rolls; Teknisk fysik med inriktning mot tribomaterial; Engineering Science with specialization in Tribo Materials; Steel Forming and Surface Engineering;

    Abstract : This thesis focuses on the tribological performance of tool surfaces in two steel working operations, namely wire drawing and hot rolling. In all forming operations dimensions and surface finish of the products are of utmost importance. READ MORE

  6. 4. Modeling the microstructural evolution during hot working of C-Mn and Nb microalloyed steels using a physically based model

    Author : Linda Lissel; Stefan Jonsson; Bertil Ahlblom; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; austenite; modeling; hot deformation; microstructure evolution; static recrystallization; dynamic recrystallization; metadynamic recrystallization; Other materials science; Övrig teknisk materialvetenskap;

    Abstract : Recrystallization kinetics, during and after hot deformation, has been investigated for decades. From these investigations several equations have been derived for describing it. The equations are often empirical or semi-empirical, i.e. READ MORE

  7. 5. Activity-based Flexible Office work environments : Design and implementation processes and outcomes

    Author : Linda Rolfö; Jörgen Eklund; Christina Bodin Danielsson; Annika Vänje; Ole Broberg; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Activity-based working; ABW; New ways of working NWW ; hot-desking; clean desk; office policies; workspace; office layout; office design; office planning process; organizational change; conceptual framework for office design; office planning; Aktivitetsbaserade kontor; ABW; Nya sätt att arbeta NWW ; flexibelt arbete; förhållningsregler; kontorsutformning; organisationsförändring; konceptuellt ramverk för kontorsplanering; planeringsprocessen; Technology and Health; Teknik och hälsa;

    Abstract : Background: In recent years, there has been a reported increase in organizations relocating to Activity-based Flexible Offices (A-FOs) worldwide. The idea of A-FOs is to offer work conditions suitable for the workforce’s tasks and individual preferences. READ MORE