Next Article in Journal
Magnetic Field-Induced Reverse Martensitic Transformation and Thermal Transformation Arrest Phenomenon of Ni41Co9Mn39Sb11 Alloy
Previous Article in Journal
Grain Refinement and High-Performance of Equal-Channel Angular Pressed Cu-Mg Alloy for Electrical Contact Wire
Article Menu

Export Article

Open AccessArticle
Metals 2014, 4(4), 597-608; doi:10.3390/met4040597

Corrosion and Serration Behaviors of TiZr0.5NbCr0.5VxMoy High Entropy Alloys in Aqueous Environments

1
State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Xueyuan Road 30#, Beijing 100083, China
2
State Key Laboratory for Advanced Metallurgy, University of Science and Technology Beijing, Xueyuan Road 30#, Beijing 100083, China
3
Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Xueyuan Road 30#, Beijing 100083, China
*
Author to whom correspondence should be addressed.
Received: 4 November 2014 / Revised: 2 December 2014 / Accepted: 11 December 2014 / Published: 15 December 2014
View Full-Text   |   Download PDF [1793 KB, uploaded 15 December 2014]   |  

Abstract

The corrosion and serration behaviors of TiZr0.5NbCr0.5, TiZr0.5NbCr0.5V and TiZr0.5NbCr0.5Mo high entropy alloys (HEAs) in NaCl and H2SO4 solutions were studied by potentiodynamic polarizations (PP) and immersion tests. The results show that all the alloys display excellent corrosion resistance no matter in NaCl solution or in H2SO4 solution. The additions of V and Mo increase the pitting corrosion resistance for the three alloys in NaCl solution slightly and greatly improve the corrosion resistance in H2SO4 solution. The corrosion behaviors of TiZr0.5NbCr0.5 and TiZr0.5NbCr0.5Mo alloys are more sensitive to temperature than that of TiZr0.5NbCr0.5V alloy. After immersion, the surface of TiZr0.5NbCr0.5 alloy appears some pitting holes, this may be related to the electrochemical noise and serration behavior on PP curves; localized corrosion initiates mainly on the boundaries of the BCC and Cr2Zr Laves phase for TiZr0.5NbCr0.5V alloy; while for the TiZr0.5NbCr0.5Mo alloy, the dendrites with Mo element rich region exhibit poor corrosion resistance. View Full-Text
Keywords: high-entropy alloy; potentiodynamic polarization; immersion test; electrochemical noise; serration behavior high-entropy alloy; potentiodynamic polarization; immersion test; electrochemical noise; serration behavior
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

Scifeed alert for new publications

Never miss any articles matching your research from any publisher
  • Get alerts for new papers matching your research
  • Find out the new papers from selected authors
  • Updated daily for 49'000+ journals and 6000+ publishers
  • Define your Scifeed now

SciFeed Share & Cite This Article

MDPI and ACS Style

Li, J.; Yang, X.; Zhu, R.; Zhang, Y. Corrosion and Serration Behaviors of TiZr0.5NbCr0.5VxMoy High Entropy Alloys in Aqueous Environments. Metals 2014, 4, 597-608.

Show more citation formats Show less citations formats

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Metals EISSN 2075-4701 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top