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A. H. Ammouri
Researcher at American University of Beirut
Publications - 38
Citations - 295
A. H. Ammouri is an academic researcher from American University of Beirut. The author has contributed to research in topics: Friction stir processing & Friction stir welding. The author has an hindex of 8, co-authored 38 publications receiving 229 citations. Previous affiliations of A. H. Ammouri include Lebanese American University.
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Relating grain size to the Zener-Hollomon parameter for twin-roll-cast AZ31B alloy refined by friction stir processing
TL;DR: In this paper, an experimentally verified finite element model was used to estimate the strain rate and the temperature values which were, consequently, used in calculating the Zener-Hollomon parameter, Z-parameter, of twin-roll-cast (TRC) AZ31B after being refined by FSP (using range of spindle speeds of 600-2000 rpm and tool feed rates ranging from 75 to 900 mm/min).
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An experimental and numerical study of the effect of cryogenic cooling on the surface integrity of drilled holes in AZ31B Mg alloy
TL;DR: In-process cryogenic cooling has been credited with more precise products and enhanced integrity of machined surfaces Enhanced surface integrity properties include smoother and more precise surfaces, grain refinement, and increase in surface hardness.
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An FEM Analysis with Experimental Validation to Study the Hardness of In-Process Cryogenically Cooled Drilled Holes in Mg AZ31b
TL;DR: In this paper, the effect of liquid nitrogen cryogenic cooling on the surface integrity of drilled holes in magnesium AZ31b using an indexable drill was investigated using both experimental techniques and numerical simulations.
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Current rise criterion: a process-independent method for tool-condition monitoring and prognostics
A. H. Ammouri,Ramsey F. Hamade +1 more
TL;DR: In this article, a tool condition criterion called the current rise criterion (CRC) is proposed, which is based on the measured current values of the machine tool's spindle and drive motors.
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BUEVA: a bi-directional ultrasonic elliptical vibration actuator for micromachining.
A. H. Ammouri,Ramsey F. Hamade +1 more
TL;DR: The bi-directional ultra-sonic elliptical vibration actuator (BUEVA) as mentioned in this paper was designed for the machining of a wide range of materials over a variety of cutting parameters.