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2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Fusion Science and Technology
November 2025
Latest News
What’s the most difficult question you’ve been asked as a maintenance instructor?
Blye Widmar
"Where are the prints?!"
This was the final question in an onslaught of verbal feedback, comments, and critiques I received from my students back in 2019. I had two years of instructor experience and was teaching a class that had been meticulously rehearsed in preparation for an accreditation visit. I knew the training material well and transferred that knowledge effectively enough for all the students to pass the class. As we wrapped up, I asked the students how they felt about my first big system-level class, and they did not hold back.
“Why was the exam from memory when we don’t work from memory in the plant?” “Why didn’t we refer to the vendor documents?” “Why didn’t we practice more on the mock-up?” And so on.
Yusha Li, Qing Liu, Zongxing Gu, Xiaoxu Dong, Zeyu Gao, Yingchun Zhang
Fusion Science and Technology | Volume 81 | Number 7 | October 2025 | Pages 691-701
Research Article | doi.org/10.1080/15361055.2025.2493408
Articles are hosted by Taylor and Francis Online.
Tungsten (W) coatings on a Cu-Cr-Zr alloy surface were obtained by pulsed current electrodeposition from Na2WO4-WO3-NaCl molten salt at different temperatures and current densities in an air atmosphere. The microstructure of the coating was observed, and the coating density, porosity, and hardness were tested. The results revealed W coatings with a silver-white metallic luster electrodeposited on the surfaces of a Cu-Cr-Zr alloy substrate when the temperature decreased from 1173 to 1023 K. The grain size and thickness of the W coatings changed significantly with current density, but the density, porosity, and hardness of the coating were slightly influenced by current density. The addition of NaCl refined the size of the tungsten grains in the W coatings. Among them, the W coating sample electrodeposited under 1123 K and 30 mA/cm2 current density had the best performance, with a relative density of 96.95%, a porosity of 1.11%, and a hardness of 502.4 HV.
