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Final Report for Creative Sentencing: Protecting Worker Safety in Alberta by Enhancing Field Level Hazard Assessments and Training for Ground Hazards Associated with Tailings Facilities, Dams, and Systems
Download2019-03-20
Baker, Kathleen, Macciotta, Renato, Hendry, Michael T, Lefsrud, Lianne M
Efforts related to the safety and performance of oil sands tailings storage and transportation facilities have traditionally focused on preventing catastrophic failures and are well defined by government legislation and industrial best practices. However, a recent death related to ground hazards...
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2019-01-01
El Moghazi, S.N., Wolfe, T., Ivey, D.G, Henein, H.
Plasma transferred arc additive manufacturing is a growing technology in the additive manufacturing world. The plasma transferred arc additive manufacturing system’s ability to produce large samples, compared with other common additive manufacturing techniques, makes it highly desirable in many...
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2019-01-01
Preparative chromatography is an indispensable separation process in the food, pharmaceuticals and fine chemical industry. The aim of this work is to summarize developments in preparative chromatographic processes in the period 2009– 2012. Particular attention is paid to new developments in the...
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Influence of Annealing Treatment on Si Morphology and Strength of Rapid Solidified Al-12 wt.% Si Powders
Download2018-01-01
Gomes, L.E., Spinelli, J.E., Bogno, A.-A., Gallerneault, M., Henein, H.
An experimental study is reported on heat treating rapid solidified Al-12 wt.% Si alloy with 355-425 m powder size. Fast heat treatments at 813K revealed morphological shifts of eutectic Si from the as-atomized condition to those after annealing. The Si network of the as-atomized samples showed...
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2018-01-01
Bogno, A.-A., Valloton, J., Jimenez, D.D., Rappaz, M., Henein, H.
Near eutectic Al-Cu droplets were rapidly solidified by Impulse Atomization. A wide range of microstructural scales was obtained at different cooling rates and undercoolings. The micrographs of the investigated samples revealed two distinct zones of different structural morphologies: An undulated...
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Assessment of Oxide Descaler Functionality in a Steel Hot Rolling Mill Using Infrared Video Imaging
Download2018-01-01
Wiskel, J.B., Linchieh, A., Henein, H.
A series of infrared temperature videos were taken of the upper surface of hot rolled microalloyed steel skelp immediately following laminar cooling. In addition to validation of the skelp temperature and skelp cooling patterns, local temperature minimums were observed in the infrared images....
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2018-11-01
Huang, W., Luo, J., Henein, H., Jordan, J.
Purpose – This paper aims to evaluate the sulfide stress cracking (SSC) resistance of L80 casing steels with different alloying chemistries (e.g., Ti-B and Mn-Cr-Mo) by correlating the reduction in area ratio with the mechanical property, inclusion and carbide. Design/methodology/approach – SSC...
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2018-01-01
Kennedy, J.R., Wiskel, J.B., Ivey, D.G., Henein, H.
The potential exists to use ultrasonic shear velocity for real time microstructure assessment of the quenching step in the teat treatment of L80 steel pipe. L80 steel samples were austenitized and subsequently cooled in different quench mediums (water, oil, heated oil, air and furnace) to produce...
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The Effect of Skelp Thickness on Precipitate Size and Morphology for X70 Microalloyed Steel Using Rietveld Refinement (Quantitative X-ray Diffraction)
Download2018-01-01
Chatelier, C., Wiskel, J.B., Ivey, D.G., Henein, H.
Precipitates in thin-walled (11 mm) and thick-walled X70 (17 mm) microalloyed X70 pipe steel are characterized using Rietveld refinement (a.k.a. quantitative X-ray diffraction (QXRD)), inductively coupled plasma mass spectrometry (ICP), and energy-dispersive X-ray spectroscopy (EDX) analyses....