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Gov. Sherrill signs bill to begin nuclear procurement in N.J.
On July 13, New Jersey Gov. Mikie Sherrill signed the Power NJ Act, a bill that directs the state’s Board of Public Utilities (BPU), in collaboration with the state’s Economic Development Authority, to establish an “advanced nuclear energy procurement program.”
F. L. Chong, J. L. Chen, X. B. Zheng
Fusion Science and Technology | Volume 61 | Number 3 | April 2012 | Pages 236-239
Technical Paper | doi.org/10.13182/FST11-350
Articles are hosted by Taylor and Francis Online.
Tungsten coating as a plasma-facing material on copper alloys is an important issue of a tokamak fusion device. Tungsten tile was created by means of plasma-spraying technology. The properties of the tungsten coating are as follows: low porosity of 4.7%, [approximately]92% of the theoretical tungsten bulk density, and high thermal conductivity of [approximately]79.7 W/mK, which are interesting properties for the plasma-facing material. To alleviate the stress concentration, the tile was designed with rounded edges with a radius of 5 mm. The fatigue performance of the tungsten tile was tested at 5 MW/m2 in an electron beam facility. No damage was observed after 38 cycles at 250 s per cycle. It is concluded that the rounded-edge design is helpful in reducing the maximum stress and in improving the resistant heat load property, which was proved by finite element analysis.