Paulo Roberto Mei

ORCID: 0000-0002-6150-9674
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About
Contact & Profiles
Research Areas
  • Microstructure and Mechanical Properties of Steels
  • Metal Alloys Wear and Properties
  • Hydrogen embrittlement and corrosion behaviors in metals
  • Metal and Thin Film Mechanics
  • Titanium Alloys Microstructure and Properties
  • Welding Techniques and Residual Stresses
  • Railway Engineering and Dynamics
  • Silicon and Solar Cell Technologies
  • Shape Memory Alloy Transformations
  • Metallurgical Processes and Thermodynamics
  • Mechanical stress and fatigue analysis
  • Orthopaedic implants and arthroplasty
  • Thin-Film Transistor Technologies
  • Fatigue and fracture mechanics
  • Advanced Welding Techniques Analysis
  • Advanced materials and composites
  • Pigment Synthesis and Properties
  • Intermetallics and Advanced Alloy Properties
  • Silicon Nanostructures and Photoluminescence
  • Aluminum Alloy Microstructure Properties
  • Adhesion, Friction, and Surface Interactions
  • Metallurgy and Material Forming
  • High Temperature Alloys and Creep
  • High-Temperature Coating Behaviors
  • Tribology and Wear Analysis

Universidade Estadual de Campinas (UNICAMP)
2016-2025

Federal Institute of São Paulo
2023-2024

Hospital de Clínicas da Unicamp
2003-2020

Sulzer (United Kingdom)
2010

Universidade São Francisco
2003-2005

Faculdades Integradas de São Paulo
2005

University of Florida
1998

Research Institute of Ceramics
1986

Moscow Technological Institute
1986

Niobium is added to carbon steels in small amounts (< 0.1weight %), thus being called a microalloying element, increase mechanical strength and toughness. When steel, niobium partly soluble the matrix another part combines with nitrogen forming family of Nb x C y N z precipitates (niobium carbides, nitrides or carbonitrides), where values ​​of x, y, depend on temperature chemical composition steel. The solubility equations for austenite available literature only provide content that could...

10.4028/p-mkhv3p article EN Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum 2025-02-20

We report on the investigation of potential application different forms amorphous carbon (a-C and a-C:H) as an antireflective coating for crystalline silicon solar cells. Polymeric-like (PLC) hydrogenated diamond-like films were deposited by plasma enhanced chemical vapor deposition. Tetrahedral (ta-C) was filtered cathodic vacuum arc technique. Those three structures individually applied single coatings conventional (polished texturized) p-n junction Due to their optical properties, good...

10.1063/1.3622515 article EN Journal of Applied Physics 2011-08-15
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