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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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August 2026
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Porous tungsten scrubbed by glow discharge cleaning
Researchers conducted experiments in Princeton Plasma Physics Laboratory’s Lithium Tokamak Experiment-Beta (LTX-β) showing glow discharge cleaning can be used to effectively clean samples of porous tungsten—used to hold liquid lithium in fusion machine inner walls—manufactured from powder-reconstituted materials, according to a paper published in Nuclear Materials and Energy.
Tungsten is widely used for plasma-facing components in fusion machines, especially in the divertor region where materials must withstand extreme levels of power flow. According to the paper, spark plasma sintering can be used to make tungsten into spongelike samples for holding liquid lithium.
Corwin L. Rickard was the 27th president of the American Nuclear Society (ANS). He joined ANS in 1958 and in 1973 he was elevated to Fellow of ANS. He also served on ANS’ Board of Directors and Executive Committee.
Rickard was born on September 26, 1926. After high school, Rickard enlisted in the Navy Air Corp. and was enrolled in the Navy’s V5 program.
The start of his nuclear career was at Brookhaven National Laboratory in 1949. From 1949 to 1953 he also taught a wide variety of engineering courses at the University of Rochester and at Cornell University. He joined General Atomics in 1956 shortly after its formation and became vice president in 1967, where he was responsible for advanced energy systems, including programs on high-temperature gas-cooled nuclear reactors that he designed. Rickard published numerous articles in the nuclear power field.
After retiring from his career in nuclear physics, in 1983, Rickard entered the world of fundamental biological research in genetics. He began working for Sibia Neurosciences, Inc. He retired from his second career in 1991. He traveled extensively, and was with the second group invited to China after President Nixon’s trip.
Rickard was also a member and past director of the United States National Committee of the World Energy Conference.
He graduated in 1949 from the University of Rochester with a BS and MS in Engineering, and from Cornell University with a PhD in 1961.
Corwin L. Rickard passed away on August 5, 2010.
Read Nuclear News from July 1981 for more on Corwin L. Rickard.