Pilar De Tiedra

ORCID: 0000-0003-2026-3476
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Research Areas
  • Hydrogen embrittlement and corrosion behaviors in metals
  • Corrosion Behavior and Inhibition
  • Welding Techniques and Residual Stresses
  • Advanced Welding Techniques Analysis
  • High Temperature Alloys and Creep
  • Advanced machining processes and optimization
  • Microstructure and Mechanical Properties of Steels
  • Non-Destructive Testing Techniques
  • Nuclear Materials and Properties
  • Advanced Machining and Optimization Techniques
  • Aluminum Alloy Microstructure Properties
  • Powder Metallurgy Techniques and Materials
  • Thermography and Photoacoustic Techniques
  • Injection Molding Process and Properties
  • Advanced materials and composites
  • Aerodynamics and Fluid Dynamics Research
  • Electrostatic Discharge in Electronics
  • Refrigeration and Air Conditioning Technologies
  • Surface Treatment and Coatings
  • Mechatronics Education and Applications
  • Aluminum Alloys Composites Properties
  • Laser Material Processing Techniques
  • Metal Alloys Wear and Properties
  • Engineering Technology and Methodologies
  • Laser and Thermal Forming Techniques

Universidad de Valladolid
2013-2025

Small-scale single and double loop electrochemical potentiokinetic reactivation (EPR DLEPR) with an minicell were used to study the effect of post-welding high temperature aging treatment (there six different treatments performed at same 840°C for times 0.5 h, 1, 25, 50, 100 200 h) on localized corrosion small-sized welding zones A286 resistance spot (RSW) joints, where parameters time (0.36 s), current (6 kA) electrode force (2300 N). Results obtained from EPR DLEPR scanning electron...

10.1177/1478422x241310067 article EN Corrosion Engineering Science and Technology The International Journal of Corrosion Processes and Corrosion Control 2025-01-02

This work aims to respond the need derived from highly changing and competitive nature of industrial environment in which resistance spot welding (RSW) process is implemented, providing an updated structured comprehensive overview advances that are being made field quality control improvement for this manufacturing process.

10.3390/met12111810 article EN cc-by Metals 2022-10-25

In this work, a new approach to experimental study of cutting forces and heating in milling is carried out. Work done without cooling, over type AISI 316L austenitic stainless steel, comparison between up-milling down-milling performed. Maximum values force (Fc), resultant (R) or maximum temperature (Tmax) are used obtain qualitative quantitative analyses. The results show that major influencing determinant not the instant undeformed chip thickness. This significant if orthogonal turning...

10.1016/j.proeng.2015.12.525 article EN Procedia Engineering 2015-01-01

Stainless steel (AISI 304 [UNS S30400]) was evaluated as a function of prior cold work and several thermal sensitization treatments. Traditional experimental techniques such ASTM A262, practice A; modified Strauss test; electrochemical potentiokinetic reactivation (EPR); double-loop (EPRDL) were used. Microstructural studies also conducted. Analysis the results showed presence transgranular attack (TGA) intergranular (IGA) transition phenomenon between them. The IGA TGA contributions to this...

10.5006/1.3287650 article EN CORROSION 2000-03-01

The stress corrosion cracking (SCC) behavior of cold-worked and sensitized Type 304 (UNS S30400) stainless steels has been evaluated using the slow strain rate test. Tests were carried out in an aqueous solution 1 N sulfuric acid (H2SO4) + 0.5 M sodium chloride (NaCl) at 30°C under various potentiostatic conditions. effects applied potential cold work prior to sensitization have investigated. These are discussed with respect electrochemical microstructural phenomena. It possible determine...

10.5006/1.3287668 article EN CORROSION 2002-10-01
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