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G7 pledges support for nuclear at Italy meeting
The Group of Seven (G7) recommitted its support for nuclear energy in the countries that opt to use it at a Ministerial Meeting on Climate in Italy last month.
In a statement following the April meeting, the group committed to support multilateral efforts to strengthen the resilience of nuclear supply chains, referencing the goal set by 25 countries during last year’s COP28 climate conference in Dubai to triple global nuclear generating capacity by 2050.
A. Donato, R. Andreani
Fusion Science and Technology | Volume 29 | Number 1 | January 1996 | Pages 58-72
Technical Paper | Materials Engineering | doi.org/10.13182/FST96-A30656
Articles are hosted by Taylor and Francis Online.
The design and construction of a fusion reactor represent a very difficult challenge from the viewpoint of developing materials that will allow fusion to be realized as an economic, safe, and environmentally acceptable energy source. In fact, the operating conditions of fusion reactor components will require the use of materials capable of safely sustaining thermal, mechanical, and irradiation loads never met in the past while at the same time producing negligible amounts of radioactivity and radioactive waste. An overview is presented of the development status and the perspectives of austenitic stainless steels, martensitic stainless steels, vanadium alloys, and fiber-reinforced ceramic composites (SiC/SiC), which are the materials currently being investigated for fusion reactor application. Limitations and possibilities of their use with reference to both the next experimental reactor, the International Thermonuclear Experimental Reactor (ITER), and the future Demonstration Reactor (DEMO) are examined. While for the experimental reactor ITER, research is directed toward the optimization of existing materials like austenitic steels, for future commercial reactors, ceramic matrix composites appear to offer enormous potential as a structural material because of their high-temperature properties, low density, low thermal expansion, and very low neutron activation.