14 Result(s)

Article

Exploring illumination effect on the impedance spectroscopy and dielectric dispersion of 5, 10, 15, 20-tetrakis(4-methoxyphenyl)-21H, 23H-porphine cobalt(II)/silicon heterojunction photovoltaic

The dynamic properties of a hybrid heterojunction based on a small molecule of 5, 10, 15, 20-tetrakis (4-methoxyphenyl)-21H, 23H-porphine cobalt(II), CoTMPP, grown onto p-Si wafer have been studied using impedanc...

M. M. Makhlouf, M. M. Shehata in Journal of Materials Science: Materials in Electronics (2020)

Article

Electrical and Photovoltaic Responses of an Au/Coumarin 337/n-Si/Sb-Au Hybrid Organic–Inorganic Solar Cell

Thin films of coumarin 337 (C-337) dye were fabricated on n-type silicon (111) wafer using a high-vacuum thermal evaporation technique. Investigation of their structure using x-ray diffraction analysis and scanni...

Ahmed M. Nawar, M. M. Makhlouf in Journal of Electronic Materials (2019)

Article

The effect of long term aging on the structural and optical properties of nano metallo-tetraphenylporphine films

Thickness of 200 nm of NiTPP film is prepared by thermal evaporation technique under vacuum 10⁻⁶ torr as a candidate of nano metallo-tetraphenylporphine to study long aging. The prepared films are amorphous in na...

A. El-Denglawey, M. M. Makhlouf, M. Dongol… in Journal of Materials Science: Materials in… (2015)

Article

Authors’ reply to reply of discussion on “nucleation mechanism of eutectic phases in aluminum-silicon hypoeutectic alloys”

S. Shankar, M. M. Makhlouf in Metallurgical and Materials Transactions A (2006)

Article

Authors’ reply

S. Shankar, Y. W. Riddle, M. M. Makhlouf in Metallurgical and Materials Transactions A (2005)

Article

Focused ion beam milling: A practical method for preparing cast Al-Si alloy samples for transmission electron microscopy

S. Shankar, Y. W. Riddle, M. M. Makhlouf in Metallurgical and Materials Transactions A (2003)

Article

Grain growth at the free surface of WC-Co materials

The grain growth rate at the free surface of a WC-Co material was measured at different high temperatures and the microstructure and elemental composition of the material were characterized at various stages o...

J. M. Olson, M. M. Makhlouf in Journal of Materials Science (2001)

Article

Characterization of the kinetic and mechanistic differences between free-surface and bulk grain growth in WC-Co materials

The rate of grain growth at different high temperatures in the bulk and at the free surface of a WC-Co substrate was measured. The microstructure, phase evolution, and elemental composition at the free surface...

J. M. Olson, M. M. Makhlouf in Metallurgical and Materials Transactions A (2001)

Article

The role of silicon in wetting and pressureless infiltration of SiCp preforms by aluminum alloys

Silicon plays an important role in the production of Al/SiC metal matrix composites. As an alloying element in aluminum, silicon retards the kinetics of the chemical reactions that result in the formation of t...

M. I. Pech-Canul, R. N. Katz, M. M. Makhlouf, S. Pickard in Journal of Materials Science (2000)

Article

Optimum parameters for wetting silicon carbide by aluminum alloys

The effect of magnesium and silicon additions to aluminum, free silicon on the SiC substrate, nitrogen gas in the atmosphere, and process temperature on the wetting characteristics of SiC by aluminum alloys ar...

M. I. Pech-Canul, R. N. Katz, M. M. Makhlouf in Metallurgical and Materials Transactions A (2000)

Article

Processing of Al–SiCp Metal Matrix Composites by Pressureless Infiltration of SiCp Preforms

An optimum method for producing Al-SiC_p metal matrix composites was developed by determining the optimum conditions for wetting SiC by aluminum and the optimum parameters for pressureless infiltration of SiC_p pre...

M. I. Pech-Canul, M. M. Makhlouf in Journal of Materials Synthesis and Processing (2000)

Article

The effect of ion implanting on hydrogen entry into metals

The effectiveness of platinum ion implanting in mitigating hydrogen entry into 4340 steel is measured and quantified. Data are presented to compare the extent of hydrogen absorption by the substrate during ele...

S. C. Chou, M. M. Makhlouf in Metallurgical and Materials Transactions A (1999)

Article

Modeling surface effects on hydrogen permeation in metals

A new mathematical model for analyzing hydrogen permeation in solids, in which surface effects and traps influence hydrogen transport, is presented and solved. The new model combines the McNabb and Foster equa...

M. M. Makhlouf, R. D. Sisson in Metallurgical Transactions A (1991)