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- 70Chemical and Materials Engineering, Department of/Research Articles and Materials (Chemical and Materials Engineering)
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- 12Rapid Solidification
- 11Impulse Atomization
- 9Undercooling
- 8Cryopreservation
- 7Vitrification
- 6Microstructure
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2018-01-01
Mohammadijoo, M., Collins, L., Lazor, R., Henein, H., Ivey, D.G.
The structural performance of microalloyed steel weld joints is essentially dependent on the microstructural characteristics of the heat-affected zone (HAZ). However, the microstructure is adversely impacted by the heat input of the welding process. As such, an X70 microalloyed steel was welded...
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2018-06-01
Hearn, W., Bogno, A.-A., Spinelli, J.E., Valloton, J., Henein, H.
Hypo-eutectic Al-Si alloys are widely used in both the automotive and aerospace industries, however, they still have limited usage as structural materials, due to the inherent morphology of the Si phase that forms within the eutectic structure. This non-ideal Si morphology can be modified, via...
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2018-01-01
Bogno, A.-A., Hearn, W., Spinelli, J.E., Valloton, J., Henein, H.
This paper reports on the development of Solidification Continuous Cooling Transformation diagrams that relate the solidification paths to the inherent microstructures of binary and ternary alloys. The methodology is based on the quantification of a solidified microstructure for its various phase...
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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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2017-01-01
Valloton, J., Herlach, D.M., Henein, H., Sediako, D.
Rapid solidification of D2 tool steel is investigated experimentally using ElectroMagnetic Levitation (EML) under terrestrial and reduced gravity conditions and Impulse Atomization (IA), a drop tube type of apparatus. IA produces powders 300 to 1400 μm in size. This allows the investigation of a...
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2017-01-01
Spinelli, J.E., Bogno, A.-A., Henein, H.
Hypereutectic Al-18wt.%Si alloy is widely used in automotive industry as a wear resistant alloy for engine components. However, in the last few years, this traditional composition is being considered for processing by different rapid solidification methods. Positive points include its low thermal...