Improvement of Cu Alloys as Divertor Heat Sink Material

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Presentation transcript:

Improvement of Cu Alloys as Divertor Heat Sink Material Example Design for Divortor (Oxide) Dispersion Strengthening method Armor Materials Pipe Heat Sink Materials Stable Nano-oxide particles in matrix Suppression of dislocation motion Improvement of the strength and resistance to irradiation Dispersed particles Matrix (Cu) μm Dislocation Application of Dispersion Strengthening by Mechanical Alloying (MA) and Hot Isostatic Press (HIP) to Copper Alloys 1.Effect of oxygen concentration for Cu-Al and Cu-Zr 2.n-situ fabrication of Cu-Y2O3 alloy The increase in oxygen concentration improved mechanical properties A　new process, addition of oxidant(CuO) during the MA,　increased the density of oxide particles.