Circular air-coupled ultrasonic testing (ACUT) setup for the inspection of commercial carbon-carbon composite aircraft brake disks was developed in Intelligent Measurement and Evaluation Laboratory (IMEL) at Southern Illinois University Carbondale (SIUC). The developed test setu…
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To test the hypothesis that climate change caused the abandonment of Tell Leilan during the late 3rd millennium BC (Weiss et at. 1993), 153 permanent teeth were assessed for developmental enamel defects as indicators of non-specific stress. Although the results indicate a greate…
Extrusion is a very popular manufacturing technique, especially as it can produce a large variety of complicated shapes with no requirement for downstream machining or finishing. Aluminum extrusion finds extensive application in the construction, automobile and aerospace industr…
The cores of early UK graphite moderated research and production nuclear fission reactors operated at temperatures below 150°C. Due to this low temperature their core graphite contains significant amounts of stored (Wigner) energy that may be released by heating the graphite abo…
The aim of this thesis is to provide insight into the structures and properties of the uranium oxides. As UO2 is easily oxidised during the nuclear fuel cycle it is important to have a detailed understanding of the structures and properties of the oxidation products. Experimenta…
Context. Software defect prediction aims to reduce the large costs involved with faults in a software system. A wide range of traditional software metrics have been evaluated as potential defect indicators. These traditional metrics are derived from the source code or from the s…
As transistors are getting smaller, it has become increasingly difficult to achieve requisite device performance for new generations of ICs. Two approaches are being considered: Replacing Si-SiO2 transistors with higher performance III-V transistors, or operating the classical t…
Silicon carbide (SiC) is one of the key materials for high power opto-electronic devices due to its superior material properties over conventional semiconductors (e.g., Si, Ge, GaAs, etc). SiC is also very stable and a highly suitable material for radiation detection at room tem…
Wheel tread damage leading to high magnitudes of vertical wheel–rail contact forces is a major cause of train delays in the Swedish railway network, in particular during the coldest months of the year. According to regulations, vehicles generating contact forces exceeding the li…