Sökning: "Shahin Norbakhsh"
Hittade 2 avhandlingar innehållade orden Shahin Norbakhsh.
1. Deterioration of recent oak by iron compound : a comparison with Vasa oak
Sammanfattning : Wood degradation in the historical warship Vasa has been studied systematically regarding the chemical and physical properties. The presence of iron(II) seems to be one important factor for the degradation of the wood, causing reduction of its tensile strength. This is unfortunately a serious problem as iron(II) compounds are abundant in Vasa wood. LÄS MER
2. Implication of chemical deterioration on mechanical performance of wood
Sammanfattning : The oak wood of the 17th century warship Vasa has shown significant changes in the chemical and mechanical properties as compared to recent oak. The most important factors contributing to these changes are the incorporation of iron compounds during waterlogging and the uptake of polyethylene glycol (PEG) in the course of the preservation treatment. LÄS MER