MAY 16, 2022 — UTSA professor Brendy Rincon Troconis is leading research that could lead to new ways to make building products safer.
At the center of this work is the UTSA Corrosion Research Laboratory, which was founded in 2016 by Rincon Troconis, an assistant professor in the Margie and Bill Klesse College of Engineering and Integrated Design’s mechanical engineering department.
With funding from five governmental and industry partners, Rincon Troconis and her team of student researchers, collaborators and visiting scientists are using the laboratory to integrate experimental approaches with accelerated degradation through harsh environments—including salts, temperature and humidity—and extensive materials characterization with computational modeling to better understand corrosion and assist industrial partners in mitigating its effects.
Below are some examples of the work taking place by Rincon Troconis’ team in the Corrosion Laboratory.
Addressing corrosion challenges head on
The UTSA Corrosion Laboratory, in collaboration with David Restrepo, assistant professor in the mechanical engineering department, and with co-principal investigator Rincon Troconis, is supporting the U.S. Office of Naval Research by investigating the effect of stress on corrosion kinetics.
“A report from aircraft teardowns showed that nearly 80% of cracks on military aircrafts have been found in close proximity to corrosion sites,” Rincon Troconis said. “Considering that aircrafts are also exposed to mechanical stress, it’s important to best understand how they affect corrosion. This can be done through the evaluation of corrosion and attack on structural alloys in relevant conditions. All this information can feed structural life management tools and lead to more efficient maintenance schedules.”
The UTSA Corrosion Laboratory is also working with BASF | Chemetall to explore surface treatments used in autobody paneling and their interaction with epoxy adhesives used in the production of vehicles. In this project, an improved coating adhesion testing protocol is being developed to quantitatively measure adhesion strength under relevant conditions.
Improving the safety and durability of construction materials
Visiting professor Oladis Troconis de Rincon, an expert in corrosion in reinforced concrete, and the Corrosion Laboratory have partnered with Texas-based Twin Hawk LLC to refine a commercial grade coating that minimizes corrosion and improves the durability of the reinforced concrete over time.
“We have previously demonstrated the efficiency of Twin Hawk’s product and are now bringing the chemical production onto campus to optimize the surface preparation and coating process parameters, and expand the testing to include accelerated corrosion chambers and field testing related to reinforced concrete applications,” Rincon Troconis explained.
Additionally, as part of the Transport Consortium of South-Central States (Tran-SET), the same research team is collaborating with Universidad de Costa Rica and Texas A&M University to test an environmentally sustainable corrosion inhibitor to increase the durability of reinforced concrete in a sustainable way, while minimizing risks to humans and the broader environment.
Looking after the next generation of scientists
UTSA has been serving proudly as a Hispanic Serving Institution (HSI) and recently achieved the rank of Carnegie R1 in recognition of its scholarly excellence. UTSA is one of roughly 20 universities designated as both R1 and HSI and one of 10 R1 institutions with the Seal of Excelencia.
The Department of Energy’s National Nuclear Security Administration (NNSA) has awarded $4 million to the Consortium for Advanced Manufacturing to develop and sustain the Consortium of Advanced Additive Manufacturing Research and Education for Energy Related Systems (CA2REERs). This group will expose, recruit, engage and train students from underrepresented groups for career advancement in manufacturing for energy.
Working with Frank Chen, the Lutcher Brown Distinguished Chair in Advanced Manufacturing and professor in the mechanical engineering department, Rincon Troconis is spearheading UTSA’s collaborative research projects with its partners—UT Rio Grande Valley, the University of Arizona, the Los Alamos National Laboratory and the Oak Ridge National Laboratory. The NNSA grant will support institutional capability in developing research in advanced material, advanced manufacturing and renewable energy. Rincon Troconis’ research will focus on atmospheric corrosion and hydrogen embrittlement of additively manufactured alloys.
The CA2REERs consortium will also promote an exchange program with these institutions to allow undergraduate and graduate students to learn from each other and to participate in summer workshops and camps for high school students to increase their visibility to the STEM field.
Throughout all these projects, Rincon Troconis focuses on research opportunities for students.
“While I serve as the advisor of the lab, the students facilitate much of the research themselves and are the key to its success,” she said.
A vision for the future
Rincon Troconis has big aspirations for the future of the UTSA Corrosion Lab. As she progresses along her tenure-track path, she hopes to continue the momentum and bring additional recognition to UTSA as a center of academic inquiry related to corrosion and supporting safety in several industries.
“Corrosion is a significant risk to safety in many fields. Therefore, I hope our ongoing work generating new knowledge and techniques will positively impact safety across the board,” Rincon Troconis said.
She also aims to be a resource for current and future students.
“I am proud to be pursuing the work that I do and also be raising three happy and healthy children,” Rincon Troconis said. “It is definitely possible to pursue your professional and personal dreams. While UTSA has facilitated work on corrosion in the past, my lab is the first on campus to focus on it specifically.”
Rincon Troconis was recently recognized as one of six recipients of the 2021 Gulf Research Program Early-Career Research Fellow in the Offshore Energy Safety Track from the National Academies of Science, Engineering, and Medicine.
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