Joseph H. Dumont, Phd Email & Phone Number

Los Alamos, Nm, Us

Los Alamos, Nm, Us

• Study of Polyhydroxybutyrates (PHBs) as truly biodegradable materials for packaging application. Accelerated aging studies using intermediate to high temperatures, soil and UV radiation to uncover the degradation mechanisms, degradation byproducts. Engineering of PHB-based composites using film casting and extrusion molding.• Field deployment and test of new types of remote sensing instruments whose aim is to detect optical signatures of importance in proliferation detection and other defense missions such as battlefield threats and intelligence gathering.• Synthesized and characterized polymer-based composites for advanced applications in harsh environments such as temperature and/or ionizing conditions. Formulation of composites using high filler loading (up to 95 wt. %) and manufacturing using casting, extrusion and machining.• Synthesized and characterized silica-filled PDMS room-temperature vulcanized foams for advanced applications in harsh environments. Assessment of vulnerabilities of current SX358 formulation and design of an alternative composition with commercially available materials. Accelerated aging performed under temperature and/or ionizing conditions.• Selection and characterization of alternative polymeric materials that include tape and filters for the storage of nuclear products in harsh environments per D.O.E. manual M441.1-1 requirements. Accelerated aging performed under temperature and/or ionizing conditions.• Cooperative research and development agreement (CRADA) with the Mars Advanced Research Institute at Mars Wrigley - Monitoring the crystallization rates of sucrose under various growth conditions (temperature, concentration, presence of impurities) using microscopy. Experimental data was subsequently used to create an accurate model for sucrose crystallization.

Los Alamos, Nm, Us

• Project management for the Department of Energy (D.O.E) Office of Science (OS) – Fusion Energy Science (FES) for Tritium Processing Development for Magnetic Fusion at LANL. • Hydrogen Processing Laboratory (HPL) experiments: Collection of engineer parameters and design development for two major sub-systems in a tritium fuel cycle to support a fusion reactor. R&D test system for tritium processing/fuel cycle operations which primary functions are separation and catalysis.• Uranium bed storage of hydrogen isotopes: Operation, characterization, and model development of STACI (Self-Assaying Tritium Accountability and Containment for ITER)• The Tritium System Test Assembly (TSTA) was a state-of-the-art facility at LANL that operated from 1980-2000. TSTA database development.

Los Alamos, Nm, Us

In line with my commitment to Diversity, Equity, and Inclusion, I've actively engaged with the NNSA Minority Serving Institution Partnership Program (MSIPP). Through the consortia listed below, I was able to contribute to the hiring of students from MSIs over the past decade.• Consortium for Materials and Energy Security (CMaES) • Partnership for Research and Education Consortium in Ceramics and Polymers (PRE-CCAP).• Energy Sciences: Experimental and Modeling Consortium (ESEM)• Consortium of Advanced Additive Manufacturing Research and Education for Energy Related Systems (CA2REERs)I have extended my impact through student outreach efforts at MSIs campuses nationwide:• MSI Campus Visits: I've conducted seminars and workshops at various MSI campuses, inspiring students to pursue careers in STEM and join the nuclear security enterprise.• Personalized Mentorship: Offering one-on-one guidance, I've empowered students with insights into academic and career paths, fostering connections beyond their campuses.• Network Expansion: By facilitating connections between students and industry professionals, I've broadened their horizons and encouraged collaborative opportunities.• Cultivating Research Interest: Through sharing my experiences, I've ignited interest in research careers and promoted a culture of scientific inquiry.These efforts echo the nuclear security enterprise's dedication to diversity and inclusion. They underscore my commitment to fostering an inclusive and innovative scientific community, making a lasting impact on the next generation of scientists.

Los Alamos, Nm, Us

• Synthesized and characterized highly-filled PDMS composite foams for advanced applications in harsh environments (i.e. high temperature, radiation, humidity). Generation of porosity using various pathways: H2 generation, hollow fillers, sacrificial fillers, water emulsions.• Synthesized and characterized silica-filled PDMS vulcanized foams for advanced applications in harsh environments.• Developed application-oriented PDMS formulations with tunable properties and composite filaments for additive manufacturing. (i.e. curing time, bonding energy, water absorption, compliance).• Selection and characterization of alternative bag-out candidates for the storage of nuclear products in harsh environments per D.O.E. manual M441.1-1 requirements. Accelerated aging performed under temperature and/or ionizing conditions.• Selection and characterization of alternative polymeric materials that include tape and filters for the storage of nuclear products in harsh environments per D.O.E. manual M441.1-1 requirements. Accelerated aging performed under temperature and/or ionizing conditions.• Studied of the electrolyte/metal interface in alkaline environment using neutron reflectometry.• Monitoring the crystallization rates of sucrose under various growth conditions (temperature, concentration, presence of impurities) using microscopy. Experimental data was subsequently used to create an accurate model for sucrose crystallization.• Monitoring the crystallization rates of MaPbBr3 perovskites under various growth conditions (temperature, concentration) using microscopy. Experimental data was subsequently used to guide the synthesis of large single crystals for gamma-ray spectroscopy.• Developed a novel characterization technique to detect cracks in Bi2Te3 wafers used for radioisotope thermoelectric generators using microscopy and ultrasound spectroscopy.

Los Alamos, Nm, Us

▪ Synthesis and characterization of a PtRuPd/C ternary catalyst for the electrooxidation of dimethyl ether for portable fuel cell applications.▪ Synthesis of PGM-free electrocatalysts towards the Oxygen Reduction Reaction with a focus on N-doped graphene oxide catalysts.▪ Green synthesis of graphite-based PGM-free electrocatalysts towards the Oxygen Reduction Reaction using Graphite Intercalation Compounds.▪ Used microelectrodes to study the effect of contaminants on the ORR at Pt electrodes.

• Established and led Atomic City Athletic Club, a non-profit organization aimed at fostering sports engagement for a diverse community including laboratory personnel and individuals from various backgrounds.• Orchestrated a range of sports activities including soccer, basketball, and cricket, catering to players of all skill levels - from LANL students to Division leaders and retirees.• Held a multi-faceted role involving team management for both indoor and outdoor sports, financial oversight as the treasurer, and administrative responsibilities.• Pioneered the conceptualization and execution of the club's inaugural networking event in June 2022, facilitating meaningful connections within the community.

Atlanta, Ga, Us

• Taught Introduction to Polymer Chemistry, an undergraduate course, covering the following topics: synthesis, characterization and manufacturing• Designed and implemented a new course curriculum that included how to research scientific literature, the writing and defense of a research proposal. • Developed quizzes, exams, and homework.• Coordinated with department chair, chemistry professors and experienced lecturers in the field of polymer chemistry to give lectures to enrolled students.

Meudon, Île-De-France, Fr

Evaluated commercially available pressureless silver sintered die attach for electronics in harsh environments in Etrelles, France. Use of accelerated aging, die-shear testing and computed tomography.

Leverkusen, North Rhine-Westphalia, De

Modification of soya beans by Agrobacterium Tumefaciens, work in sterile conditions, preparation of growth media

Doctor Of Philosophy (Phd), Nanoscience And Microsystems Engineering (Nsme)

Master 2, Matériaux Pour Les Énergies Renouvelables

Licence, Physique Et Biologie