Search Results - "Mattar, Taha"

Mathematical modeling of wear behavior and Abbott Firestone zones of 0.16C steel using response surface methodology by Elshaer, Ramadan N., El-Fawakhry, Mohamed K., Mattar, Taha, Farahat, Ahmed I. Z.

“…The effects of applied pressure and running velocity on wear behavior as well as Abbott Firestone zones of low carbon steel (0.16C) were evaluated using…”
Get full text

The Effect of Electroslag Remelting on the Microstructure and Mechanical Properties of CrNiMoWMnV Ultrahigh-Strength Steels by Ali, Mohammed, Porter, David, Kömi, Jukka, Eissa, Mamdouh, El Faramawy, Hoda, Mattar, Taha

“…The effect of electroslag remelting (ESR) with CaF2-based synthetic slag on the microstructure and mechanical properties of three as-quenched…”
Get full text

Effect of Tempcore Processing on Mitigating Problems of Tramp Elements in Low C Steel Produced from Recycled Material by RAMADAN, Ahmed, SHASH, A.Y., EL-MAHALLAWI, I.S., SENK, D., MATTAR, Taha

“…The effect of tramp elements in the steel was intensively studied. It was found that the solubility of tramp elements decreased as the temperature decreased…”
Get full text

Effect of Nitrogen and Niobium on the Structure and Secondary Hardening of Super Hard High Speed Tool Steel by Halfa, Hossam, Eissa, Mamdouh, El-Fawakhry, Kamal, Mattar, Taha

“…High‐speed steels have been used mostly for multi‐point cutting tools and for plastic working tools. High speed steels are ferrous based alloys of the Fe‐C‐X…”
Get full text

Effect of steel composition and slag properties on NMI in clean steel production by Elfawakhry, Mohamed K, Fathy, Ayman, Eissa, Mamdouh, Mattar, Taha

“…The modern steel plants for clean steel production depend to large extent on the efficiency of the refining processes that applied for the production. Refining…”
Get full text

Improving the wear resistance of M41 steel by nitrogen alloying and ESR by Mattar, Taha, Ibrahim, Khaled M., Fathy, Ayman, El Faramawy, Hoda

“…AISI M41 high-speed steel (HSS) is considered as a super-hard tool steel due to high hardness level (65–70 HRC). Nitrogen alloying of AISI M41 HSS produces…”
Get full text

Promotion of thermomechanical processing of 2-GPa low-alloyed ultrahigh-strength steel and physically based modelling of the deformation behaviour by Ali, Mohammed, Khosravifard, Ali, Hamada, Atef, Mattar, Taha, Eissa, Mamdouh, Kömi, Jukka

“…A low-alloyed ultrahigh-strength steel comprising CrNiMoWMnV was designed based on thermodynamic calculations and by controlling the microalloying elements to…”
Get full text

The effect of double austenitization and quenching on the microstructure and mechanical properties of CrNiMoWMnV ultrahigh-strength steels after low-temperature tempering by Ali, Mohammed, Porter, David, Kömi, Jukka, Eissa, Mamdouh, El faramawy, Hoda, Mattar, Taha

“…With the aim of improving the strength and impact toughness combination of two ultrahigh-strength quenched and tempered steels, the effect of high-temperature…”
Get full text

Effect of cooling rate and composition on microstructure and mechanical properties of ultrahigh-strength steels by Ali, Mohammed, Porter, David, Kömi, Jukka, Eissa, Mamdouh, El Faramawy, Hoda, Mattar, Taha

“…The influence of cooling rate on the microstructure and mechanical properties of two new ultrahigh-strength steels (UHSSs) with different levels of C, Cr and…”
Get full text

Effect of Laser Speed on Microstructure and Mechanical Properties of AISI H13 Tool Steel Prepared by Laser Powder Bed Fusion Process by Abdel-latif, Mohamed, Abdel-Ghany, Khalid, El-Mahallawy, Nahed, Mattar, Taha

“…Additive manufacturing (AM) technology is widely used to fabricate complex 3D products directly from CAD file. Laser-based Powder Bed Fusion process (L-PBF) is…”
Get full text

The structural, thermal and electrochemical properties of MnFe1−x-yCuxNiyCoO4 spinel protective layers in interconnects of solid oxide fuel cells (SOFCs) by Mohamed, Salwa M., Sanad, Moustafa M.S., Mattar, Taha, El-Shahat, Mohamed F., Rossignol, Cécile, Dessemond, Laurent, Zaidat, Kader, Obbade, Saïd

“…Cu and Ni substitutions are investigated at spinel MFCO (Manganese Iron Cobalt Oxide) components using a variety of characterization techniques, including XRD,…”
Get full text

Comparative Study of High-Cycle Fatigue and Failure Mechanisms in Ultrahigh-Strength CrNiMoWMnV Low-Alloy Steels by Hamada, Atef, Ali, Mohammed, Ghosh, Sumit, Jaskari, Matias, Allam, Tarek, Schwaiger, Ruth, Eissa, Mamdouh, Mattar, Taha

“…This study provides a thorough analysis of the fatigue resistance of two low-alloy ultrahigh-strength steels (UHSSs): Steel A (fully martensitic) and Steel B…”
Get full text

Characterization of the Microstructure and Precipitates Formed During the Thermomechanical Processing of a CrNiMoWMnV Ultrahigh‐Strength Steel by Ali, Mohammed, Porter, David, Kömi, Jukka, Eissa, Mamdouh, El Faramawy, Hoda, Mattar, Taha

“…The effect of total applied strain (TAS), finish forging temperature (FFT) on the microstructure, and precipitation kinetics of a newly developed low‐cost,…”
Get full text

Precipitation Behavior of Modified as Cast High Nitrogen Super Hard High-Speed Tool Steel by Halfa, Hossam, Mattar, Taha, Eissa, Mamdouh

“…The properties of high‐speed tool steels can be improved by modifying their chemical composition or the technology of production. Nitrogen alloying is an…”
Get full text

Effect of Nitrogen Alloying on Sulphur Behaviour during ESR of AISI M41 Steel by Mattar, Taha, El-Fawakhry, Kamal, Haifa, Hossam, Eissa, Mamdouh

“…In this work, the effects of nitrogen alloying, physical properties and chemical composition of slag used in electro-slag refining (ESR) on phosphorus and…”
Get full text

Effect of Nitrogen Alloying on Sulphur Behaviour during ESR of AISI M41 Steel by Mattar, Taha, El‐Fawakhry, Kamal, Halfa, Hossam, Eissa, Mamdouh

“…In this work, the effects of nitrogen alloying, physical properties and chemical composition of slag used in electro‐slag refining (ESR) on phosphorus and…”
Get full text

Effect of nitrogen alloying and the electroslag refining process on the properties of AISI M41 steel by MATTAR, Taha, KAMAL EL FAWAKHRY, HALFA, Hossam, MAHMOUD EL DEMERDASH

“…Nitrogen produces very beneficial effects in high-speed steel and can therefore be regarded as a significant alloying element in ferrous materials. In order to…”
Get full text

Mechanical properties relationships in V‐ and Ti‐microalloyed steels by Eissa, Mamdouh, Mattar, Taha

“…Microalloyed steels are characterised by their mechanical properties. Nowadays, they are used in a wide range of applications. The convenience and simplicity…”
Get full text

Mechanical properties of new low‐nickel cobalt‐free maraging steels by Fathy, Ayman, Mattar, Taha, El‐Faramawy, Hoda, Bleck, Wolfgang

“…To study the mechanical properties of newly developed low‐nickel cobalt‐free maraging steels, six laboratory series with varied Ti, Mo, and Cr mass contents…”
Get full text

Development of new grade of steel shots for casting cleaning by Eissa, Mamdouh, El‐Faramawy, Hoda, Mattar, Taha, Fathi, Ayman, El‐Fawakhry, Kamal

“…A technology has been developed for producing a new grade of steel shots used in casting cleaning. The developed technology is based on obtaining molten steel…”
Get full text