Materials Map

Discover the materials research landscape. Find experts, partners, networks.

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The Materials Map is an open tool for improving networking and interdisciplinary exchange within materials research. It enables cross-database search for cooperation and network partners and discovering of the research landscape.

The dashboard provides detailed information about the selected scientist, e.g. publications. The dashboard can be filtered and shows the relationship to co-authors in different diagrams. In addition, a link is provided to find contact information.

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The Materials Map is still under development. In its current state, it is only based on one single data source and, thus, incomplete and contains duplicates. We are working on incorporating new open data sources like ORCID to improve the quality and the timeliness of our data. We will update Materials Map as soon as possible and kindly ask for your patience.

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Hamada, Atef

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University of Oulu

in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (7/7 displayed)

  • 2024Comparative Study of High-Cycle Fatigue and Failure Mechanisms in Ultrahigh-Strength CrNiMoWMnV Low-Alloy Steelscitations
  • 2024Titanium-Based alloys and composites for orthopedic implants Applications: A comprehensive reviewcitations
  • 2023Enhancement and underlying fatigue mechanisms of laser powder bed fusion additive-manufactured 316L stainless steel29citations
  • 2022Constitutive modeling and hot deformation processing map of a new biomaterial Ti–14Cr alloy23citations
  • 2020Impact of precipitates on the hydrogen embrittlement behavior of a V-alloyed medium-manganese austenitic stainless steel41citations
  • 2019Development of a Cr-Ni-V-N Medium Manganese Steel with Balanced Mechanical and Corrosion Properties29citations
  • 2018High-temperature deformation behavior and microstructural characterization of high-Mn bearing titanium-based alloy19citations

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Schwaiger, Ruth
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Ali, Mohammed
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Mattar, Taha
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Allam, Tarek
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Ghosh, Sumit
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Eissa, Mamdouh
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Jaskari, Matias
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Abdel-Aziem, Walaa
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Darwish, Moustafa Adel
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Järvenpää, Antti
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Gouda, Mohammed
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Patnamsetty, Madan
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Borek, Wojciech
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Chiba, Akihiko
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Guo, Xiaofei
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Lipińska-Chwałek, Marta
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Ahmed, Essam
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Bleck, Wolfgang
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Sevsek, Simon
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Gepreel, Mohamed
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Co-Authors (by relevance)

  • Schwaiger, Ruth
  • Ali, Mohammed
  • Mattar, Taha
  • Allam, Tarek
  • Ghosh, Sumit
  • Eissa, Mamdouh
  • Jaskari, Matias
  • Daoush, Walid
  • Abdel-Aziem, Walaa
  • Darwish, Moustafa Adel
  • Gundgire, Tejas
  • Järvenpää, Antti
  • Ebied, Saad
  • Gouda, Mohammed
  • Patnamsetty, Madan
  • Borek, Wojciech
  • Chiba, Akihiko
  • Guo, Xiaofei
  • Lipińska-Chwałek, Marta
  • Ahmed, Essam
  • Bleck, Wolfgang
  • Sevsek, Simon
  • Gepreel, Mohamed
OrganizationsLocationPeople

article

High-temperature deformation behavior and microstructural characterization of high-Mn bearing titanium-based alloy

  • Ebied, Saad
  • Borek, Wojciech
  • Chiba, Akihiko
  • Gepreel, Mohamed
  • Hamada, Atef
Abstract

Highlights: • The hot deformation behavior of a biomedical low-cost Ti-10Mn alloys was studied. • The flow curves of the alloy display periodic serrations attributed to dynamic strain aging. • Mn alloying increases the activation energy to 243 kJ/mol compared to pure Ti. • The dynamic recovery is more effective than dynamic recrystallization at hot deformation. - Abstract: Ti-Mn alloys exhibit an excellent potential for biomedical applications as well as structural engineering applications, especially in the aerospace industry. In order to control and enhance grain structure during the manufacturing of Ti-Mn alloys and thereby help to enhance mechanical properties such as strength and toughness, we studied the hot-deformation behavior of βTi-10Mn alloys. Isothermal compression tests were conducted in the strain rate range of 0.01–10 s{sup −1} and temperatures in the range of 850–1000 °C using a Gleeble thermomechanical simulator. High-temperature flow stress curves exhibited discontinuous yielding and pronounced periodic serrations without any strain hardening during compression straining of these alloys. Such peculiar behavior of this alloy is due to active dynamic strain aging in its β-bcc structure. Metallographic observations by electron-backscattered diffraction (EBSD) analysis revealed that dynamic recovery (DRV) is more active than continuous dynamic recrystallization (CDRX) when the alloy is deformed at high strain rates, i.e. higher than 1 s{sup −1}. Furthermore, the constitutive behavior of the alloy was modeled and the apparent hot-deformation activation energy of the alloy was estimated to be 243 kJ/mol, which is ~60% higher than the self-diffusion energy in pure titanium.

Topics
  • impedance spectroscopy
  • grain
  • strength
  • compression test
  • titanium
  • aging
  • activation
  • electron backscatter diffraction
  • recrystallization
  • aging