Search for dissertations about: "SP"

Showing result 1 - 5 of 381 swedish dissertations containing the word SP.

  1. 1. Thick and Thin Ti2AlC Coatings

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Jenny Frodelius; Linköpings universitet.; Linköpings universitet.; SP Elektronik.; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES; NATURVETENSKAP;

    Abstract : This Thesis explores the deposition techniques of magnetron sputtering and high velocity oxy-fuel (HVOF) spraying for Ti2AlC as a promising high-temperature material. Magnetron sputtering aims at producing thin (≤1 μm) Ti2AlC films of high crystal quality for use as a model system in understanding the material’s basic properties. READ MORE

  2. 2. Assessment of safety characteristics for Li-ion battery cells by abuse testing

    University dissertation from Linköping : Linköping University Electronic Press

    Author : Fredrik Larsson; Carl Fredrik Larsson; SP Elektronik.; [2014]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; overcharge; Lithium-ion; toxic gases; abuse test; thermal runaway; short circuit; safety; battery; fire;

    Abstract : Despite the many advantages with lithium-ion batteries there can be disadvantages in form of safetyissues. In an abuse situation a Li-ion cell can undergo a thermal runaway releasing excessive heat,flammable and toxic gas emissions and eventually accompanied by dissembling/explosion and fire. READ MORE

  3. 3. Appearance grading of sawn timber

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Anders Lycken; SP Trä.; Luleå tekniska universitet.; [2006]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wood Technology; Träteknik;

    Abstract : Grading of sawn timber has by tradition been performed by manual ocular inspection of the wood surfaces. Even today, most wood produced is graded by manual inspection. READ MORE

  4. 4. Fungal degradation patterns and toxicity of furfurylated wood

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Annica Pilgård; SP Trä.; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Daphtox; Quantitative real-time PCR; Furfurylation; Microtox; Basidiomycota; Acetylation; Wood modification.; Daphnia magna; Thermal modification; Trametes versicolor; Decay; Vibrio fischeri;

    Abstract : The demand for timber products is increasing with global population and affluence. Concerns regarding conventionally used toxic wood preservatives and the deforestation of tropical forests have become more prominent both socially and politically. Wood based products are generally recognised as an environmentally favourable raw material. READ MORE

  5. 5. Norway spruce heartwood properties related to outdoor use

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Karin Sandberg; SP Trä.; Luleå tekniska universitet.; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wood Technology; Träteknik; Forestry; agricultural sciences and landscape planning - Wood fibre and forest products; Skogs- och jordbruksvetenskap samt landskapsplanering - Träfiber- och virkeslära;

    Abstract : Nedbrytning av trä är ett komplext problem som beror på många parametrar, men speciellt inverkar fritt vatten, t.ex., från regn. Målet med arbetet var att studera hur olika parametrar påverkar vattenupptagning och uttorkning i gran (Picea abies (L. READ MORE