Hesham Afifi
Hesham Afifi
Professor of Physics, National Institute for Standards
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Year
Ultrasonic studies of (TeO2) 50–(V2O5) 50− x (TiO2) x glasses
R El-Mallawany, N El-Khoshkhany, H Afifi
Materials chemistry and physics 95 (2-3), 321-327, 2006
962006
Ultrasonic velocity and elastic moduli of heavy metal tellurite glasses
H Afifi, S Marzouk
Materials chemistry and physics 80 (2), 517-523, 2003
782003
Interpretation of mechanical properties and structure of TeO2–Li2O–B2O3 glasses
YB Saddeek, HA Afifi, NS Abd El-Aal
Physica B: Condensed Matter 398 (1), 1-7, 2007
602007
Structural studies of some phospho-borate glasses using ultrasonic pulse–echo technique, DSC and IR spectroscopy
MS Gaafar, HA Afifi, MM Mekawy
Physica B: Condensed Matter 404 (12-13), 1668-1673, 2009
512009
Ultrasonic attenuation of tellurite glasses
R El-Mallawany, M Sidkey, A Khafagy, H Afifi
Materials chemistry and physics 37 (2), 197-200, 1994
511994
Elastic constants of semiconducting tellurite glasses
R El-Mallawany, M Sidkey, A Khafagy, H Afifi
Materials chemistry and physics 37 (3), 295-298, 1994
421994
Ultrasonic pulse echo studies of the physical properties of PMMA, PS, and PVC
HA Afifi
Polymer-Plastics Technology and Engineering 42 (2), 193-205, 2003
282003
Ultrasonic properties of ENR-EPDM rubber blends
HA Afifi, AM El Sayed
Polymer bulletin 50 (1-2), 115-122, 2003
232003
Ultrasonic studies on polystyrene/styrene butadiene rubber polymer blends filled with glass fiber and talc
AA Higazy, H Afifi, AH Khafagy, MA El-Shahawy, AM Mansour
Ultrasonics 44, e1439-e1445, 2006
222006
Annealing effect on microhardness and elastic constants of PMMA
H Afifi, E Hasan
Polymer-Plastics Technology and Engineering 42 (4), 543-554, 2003
212003
Structure and ultrasonic properties of vanadium tellurite glasses containing copper oxide
S Nadia, HA Afifi
Archives of Acoustics 34 (4), 641-654, 2009
202009
Elastic moduli and crosslinking of some tellurite glass systems
R El-Mallawany, H Afifi
Materials Chemistry and Physics 143 (1), 11-14, 2013
182013
Ultrasonic characterization of heavy metal TeO2–WO3–PbO glasses below room temperature
H Afifi, S Marzouk, N Abd el Aal
Physica B: Condensed Matter 390 (1-2), 65-70, 2007
182007
Improvement of the compatibility of natural rubber/ethylene–propylene diene monomer rubber blends via natural rubber epoxidation
AM El Sayed, H Afifi
Journal of Applied Polymer Science 86 (11), 2816-2819, 2002
172002
Study of the effect of natural rubber-graft-maleic anhydride (NR-g-MA) on the compatibility of NR-NBR blends using the ultrasonic technique
H Afifi, AA El-Wakil
Polymer-Plastics Technology and Engineering 47 (10), 1032-1039, 2008
142008
Elastic moduli of ternary tellurite glasses at room temperature
R El-Mallawany, M Sidkey, H Afifi
Glass science and technology (Frankfurt) 73 (3), 61-66, 2000
142000
Effect of Bi2O3 addition on the ultrasonic properties of pentaternary borate glasses
R El-Mallawany, HA Afifi, M El-Gazery, AA Ali
Measurement 116, 314-317, 2018
122018
Mechanical relaxation of some tellurovanadate glasses
YB Saddeek, R El-Mallawany, H Afifi
Journal of Non-Crystalline Solids 417, 28-33, 2015
112015
Relaxation phenomena in tellurite glasses
R El-Mallawany, M Sidky, H Afifi
Journal of Applied Physics 107 (5), 053523, 2010
92010
Evaluation of the effect of polymeric compounds as compatibilizers for NR/EPDM blend
AB Shehata, H Afifi, NA Darwish, A Mounir
Polymer-Plastics Technology and Engineering 45 (2), 165-170, 2006
82006
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Articles 1–20