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NC State celebrates 70 years of nuclear engineering education
An early picture of the research reactor building on the North Carolina State University campus. The Department of Nuclear Engineering is celebrating the 70th anniversary of its nuclear engineering curriculum in 2020–2021. Photo: North Carolina State University
The Department of Nuclear Engineering at North Carolina State University has spent the 2020–2021 academic year celebrating the 70th anniversary of its becoming the first U.S. university to establish a nuclear engineering curriculum. It started in 1950, when Clifford Beck, then of Oak Ridge, Tenn., obtained support from NC State’s dean of engineering, Harold Lampe, to build the nation’s first university nuclear reactor and, in conjunction, establish an educational curriculum dedicated to nuclear engineering.
The department, host to the 2021 ANS Virtual Student Conference, scheduled for April 8–10, now features 23 tenure/tenure-track faculty and three research faculty members. “What a journey for the first nuclear engineering curriculum in the nation,” said Kostadin Ivanov, professor and department head.
Fusion Science and Technology | Volume 47 | Number 4 | May 2005 | Pages 861-865
Technical Paper | Fusion Energy - Fusion Materials | dx.doi.org/10.13182/FST05-A794
Articles are hosted by Taylor and Francis Online.
Hydrogen embrittlement behaviour of the reduced activation ferritic/martensitic steels, Eurofer'97 and VS3104, has been compared to that of the conventional alloy T91, by means of constant extension rate tests run under dynamic electrochemical charging. Charged versus uncharged reduction of specimen area ratios at rupture were taken as the most suitable ductility indexes for material discrimination in terms of hydrogen damage resistance. Fractographic analysis indicated that hydrogen content as low as 1.6 wppm caused rupture of al investigated steels, but to different degree, by promoting grain boundary decohesion. Higher hydrogen levels stimulated failure by the combined effect of bond strength weakening and stress intensification from dislocation blocking at interfaces. The better performances of T91 as well as the variability of Eurofer tensile responses were ascribed to the different chemistry and density of key microstructural factors, already suspected from metallurgical examination and further supported by hydrogen thermal extraction results.