Sökning: "Phase Transformation"
Visar resultat 1 - 5 av 348 avhandlingar innehållade orden Phase Transformation.
1. Phase transformation and stability studies of the Zr-H system
Sammanfattning : Zirconium alloys are widely used in the nuclear industry because of their high strength, good corrosion resistance and low neutron absorption cross-section. Zirconium has a strong affinity for hydrogen, however, and if hydrogen concentration builds up, the material will gradually degrade. LÄS MER
2. Finite element simulation of transformation plasticity in martensitic transformation
Sammanfattning : This study is concerned with the simulation of transformation plasticity in martensitic transformation. In the first paper the concept of a transformation plasticity strain is introduced from a phenomenological point of view. LÄS MER
3. Transformation phenomena in a super duplex stainless steel
Sammanfattning : Duplex stainless steels consist of about equal fractions offerrite and austenite and are attractive due to their highcorrosion resistance against pitting corrosion and stresscorrosion cracking. The pitting corrosion resistance can bedescribed by the PREN value which is defined asPREN=%Cr+3.3*%Mo+16*%N. LÄS MER
4. In-situ phase studies of the Zr-H system
Sammanfattning : Zirconium alloys are widely used in the nuclear industry because of their high strength, good corrosion resistance and low neutron absorption cross-section. However, zirconium has strong affinity for hydrogen, which may lead to hydrogen concentration build-up over time during a corrosion reaction when exposed to water. LÄS MER
5. Skogsbolagen och bygden : ekonomisk, social och politisk omvandling i Örnsköldsviksområdet 1860-1900
Sammanfattning : In this dissertation industrialization and its economic, social and political consequences in the district of Örnsköldsvik 1860—1900 are studied.Firstly, the dissertation elucidates the causes of the industrialization of the district, viz. LÄS MER