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Corrosion

NCMRL Advanced Manufacturing Articles

September 19, 2022 by Kathrine Bradshaw

Two fresh research papers on high entropy alloy (HEA) corrosion behavior have been published in the Corrosion Science and Journal of Alloys and Compounds. The two papers discuss the degradation mechanisms of a newly synthesized HEA, and are products of a recent collaborations between National Corrosion and Materials Reliability Laboratory (NCMRL) and the Ocean Engineering Department of Texas A&M University.

HEAs are advanced alloys that have been recently discovered that contain five or more principal elements in certain ratios. The wide ranges of compositions and microstructures make them exhibit certain exceptional mechanical properties. This makes them a key in shaping the future of material design and manufacturing. When designing a new HEA, one of the main considerations is whether it can work in various environments, or if it shows excellent corrosion resistance. However, it’s usually not that straightforward. In order to advance the understanding of the corrosion behavior of HEAs, researchers at Texas A&M University are collaborating to bring new insights to fully tackle those questions.

These two new papers are the most recent effort of NCMRL to improve the competitiveness of US in advanced manufacturing. Currently, NCMRL is also implementing new research in discerning the corrosion behavior of 3D-printed metals and developing new testing methods and standards for this novel manufacture approach.

Corrosion sample

For details, the papers can be downloaded via the links below. Please check out the NCMRL’s recent publications page for the latest publications.

  1. Development of a non-equimolar AlCrCuFeNi high-entropy alloy and its corrosive response to marine environment under different temperatures and chloride concentrations 
  2. The grain size effect on corrosion property of Al2Cr5Cu5Fe53Ni35 high-entropy alloy in marine environment

Filed Under: News Tagged With: Additive Manufacturing, Corrosion, National Corrosion & Materials Reliability Lab, NCMRL

Federal Highway Administration Engineer Visits CIR

September 1, 2022 by Kathrine Bradshaw

This week, Silas Nichols, Principal Bridge Engineer – Geotechnical at Federal Highway Administration, visited the Center for Infrastructure Renewal. Dr. Anand Puppala, Interim Director showed the CIR’s unique state-of-the-art facilities. During the facility tour, Silas was able to visit with CIR researchers and students on their work in Corrosion, Structures, and Geomaterials.

Dr. Raymundo Case provided an in-depth look at the ongoing work in the National Corrosion and Materials Reliability Lab, which focuses on solutions to the corrosion needs of industry and government in order to maximize asset life, production efficiency and worker safety. While Dr. Pete Keating showed the Structural and Materials Testing Lab’s unique ability to perform both full-scale, and also component and material testing. Prince Kumar and other members of the Geomaterials team spoke with Silas over their student research projects in the Geotechnical and Unbound Materials Innovation Lab which allows researchers to investigate soil behaviors, pavement geomaterials, soil stabilization, geosynthetics, and rehabilitation techniques that can be implemented in the short and long term.

Corrosion lab visit by Silas High Bay Lab visit
Dr. Puppala explains their geocell work to Silas. Prince explains his research to Silas.

Filed Under: News Tagged With: Anand Puppala, Corrosion, geomaterials, Pete Keating, Raymundo Case, Structural and Materials Testing

Dr. Castaneda-Lopez selected to serve on committee on Corrosion of Buried Steel at New and In-Service Infrastructure

July 27, 2020 by Kathrine Bradshaw

Filed Under: News Tagged With: Corrosion, Homero Castaneda-Lopez

Corrosion and Materials Reliability Lab developed a seminar detailing the lifespan of continuous galvanized rebar

May 12, 2020 by Kathrine Bradshaw

Filed Under: News Tagged With: Corrosion, Homero Castaneda-Lopez, rebar

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