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Dive into the research topics where R.H. Nada is active.

Publication


Featured researches published by R.H. Nada.


Physica Status Solidi (a) | 2001

Aging Characteristics of Rapidly Solidified Al–20 wt% Zn Alloy

F. Abd El-Salam; M.T. Mostafa; R.H. Nada; A.M. Abd El-Khalek

Al-20 wt% Zn samples were obtained at room temperature by rapid cooling from the melt. The quenched samples were aged at different temperatures below and above the transformation temperature (503 K) for 2 h, then quenched to room temperature. Structure variations and changes in internal friction, thermal diffusivity, Youngs modulus and resistivity were traced for these testing conditions. The different results were explained in terms of the thermally induced structures in the alloy.


Physica B-condensed Matter | 2000

Thermally induced resoftening in deformed Al-Zn alloy

F. Abd El-Salam; R.H. Nada; A.M. Abd El-Khalek


Physica Status Solidi (a) | 1994

Phase characteristics of pre‐deformed Al–40 wt% Zn alloy

F. Abd El-Salam; M. M. Mostafa; M. M. El‐Sayed; R.H. Nada


Physica B-condensed Matter | 2003

Steady-state creep and creep recovery during transformation in Al–Zn alloys

M.M. Mostafa; G.S. Al-Ganainy; A.M. Abd El-Khalek; R.H. Nada


Physica B-condensed Matter | 2003

Effect of structure transformation on the stress–strain characteristics of Pb–3wt% Sb and Pb–3wt% Sb–1wt% Sn alloys

A.M. Abd El-Khalek; R.H. Nada


Materials Characterization | 2008

Effect of silver addition on the creep parameters of Sn-7 wt.% Bi alloy during transformation

F. Abd El-Salam; A.M. Abd El-Khalek; R.H. Nada; A. Fawzy


Physica Status Solidi (a) | 1994

Effect of phase transformation and predeformation on creep characteristics of Al–40 wt% Zn alloy

M. M. Mostafa; R.H. Nada; F. Abd El-Salam


Physica B-condensed Matter | 2007

Effect of cyclic stress reduction on the creep behaviour of Al-40wt%Zn alloy

F. Abd El-Salam; A.M. Abd El-Khalek; R.H. Nada


Physica B-condensed Matter | 2004

Precipitation kinetics in Ag–2 wt% Cu and Ag–2 wt% Cu–0.5 wt% In alloys during transformation

R.H. Nada


European Physical Journal-applied Physics | 2000

Effect of superimposed oscillations on characteristics of Al-40 wt.% Zn alloy

F. Abd El-Salam; A.M. Abd El-Khalek; R.H. Nada

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A. Fawzy

Ain Shams University

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