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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in Cooperation with on an Cooperation-Score of 37%

Topics

Publications (2/2 displayed)

  • 2022Experiment and computation: A combined approach to characterize the constitutive and fracture behaviors of metallurgical bonding interface in bimetallic composites1citations
  • 2021An Investigation To Achieve a Good Surface Integrity in WEDM of Ti-6242 Super Alloycitations

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Ayadi, Badreddine
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Al-Ghamdi, Abdulaziz
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Ramadan, Mohamed
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Subhani, Tayyab
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Khaliq, Abdul
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Salem, Sahbi Ben
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Boujelbene, Mohamed
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Ezeddini, Sonia
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Bayraktar, Emin
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2022
2021

Co-Authors (by relevance)

  • Ayadi, Badreddine
  • Al-Ghamdi, Abdulaziz
  • Ramadan, Mohamed
  • Subhani, Tayyab
  • Khaliq, Abdul
  • Salem, Sahbi Ben
  • Boujelbene, Mohamed
  • Ezeddini, Sonia
  • Bayraktar, Emin
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article

Experiment and computation: A combined approach to characterize the constitutive and fracture behaviors of metallurgical bonding interface in bimetallic composites

  • Rajhi, Wajdi
  • Ayadi, Badreddine
  • Al-Ghamdi, Abdulaziz
  • Ramadan, Mohamed
  • Subhani, Tayyab
  • Khaliq, Abdul
Abstract

<jats:p> This paper presents a novel experimental and computational approach to characterize fracture behavior of the intermetallic bonding layer (IMBL) in bimetallic bearing materials. The proposed methodology is applied to tin (Sn) based Babbitt alloy/mild steel bimetallic composite. In this study, macro stress–strain behavior of the bond under tensile-shear stress was calculated by considering the local shear surface geometry instead of the apparent bonding zone. The metallurgical bonding layer failure mechanism was identified from the scanning electron microscope (SEM) observations of the fractured IMBL of the bimetallic samples tested in tension-shear. It has been found that a damage mechanism of ductile nature was the cause of tearing of the IMBL. The coupled elasto-plasticity and damage constitutive equations for the IMBL were formulated and implemented based on SEM observations. Characterization of the shear fracture behavior of IMBL included FE numerical simulation of tensile-shear tests of the bimetallic composites. Consequently, a calibration methodology is proposed to estimate the IMBL fracture parameters. This proposed approach validation was based on a qualitative and quantitative confrontation between the experimentally measured shear force-displacement diagram and the numerically calculated diagrams obtained from the simulated IMBL. Commendable average quantitative errors of almost 1% are achieved in terms of yield strength, ultimate strength, and elongation at break between computed results obtained within sheared regions of the simulated Babbitt/steel (Sn – IMCs) BL and experience. The results of such a confrontation are promising for the application of the proposed approach to predict fracture during the forming of bimetallic composite materials. </jats:p>

Topics
  • impedance spectroscopy
  • surface
  • scanning electron microscopy
  • experiment
  • simulation
  • strength
  • steel
  • shear test
  • composite
  • forming
  • plasticity
  • yield strength
  • intermetallic
  • fracture behavior
  • tin