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LEADER WP6 PPC meeting Karlsruhe November 23 rd 2012

LEADER WP6 PPC meeting Karlsruhe November 23 rd 2012. Main Results of WP6. Task 1: Material for heat transfer components The thresshold stress/strain below which influence of Pb is neglectable was estimated from creep tests at 550 °C – 120 MPA/ strain 2-4%

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LEADER WP6 PPC meeting Karlsruhe November 23 rd 2012

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  1. LEADER WP6 PPC meeting Karlsruhe November 23rd 2012

  2. Main Results of WP6 Task 1: Material for heat transfer components • The thresshold stress/strain below which influence of Pb is neglectable was estimated from creep tests at 550 °C – 120 MPA/ strain 2-4% • The heat conductivity of T91 for the ´normal´ (FeCr)- oxide scales was measured – in the temperature range 350 – 500 °C the value is by ~50 % larger than values from literature. To proof the data additional experiments are planned. • The Cr-Al concentration for selective oxidation (alumina only) was estimated experimentally for the temperature range from 400 -600 °C. • Fretting maps for T91/T91 and 15-15Ti steels in lead were established as function of specific wear coeff.- load – amplitude. High load and small apmlitudes are most favorable to reduce the wear. Task 2: Materials for mechanical pump • HELENA –loop under construction at ENEA. Tests for pump materials will start in April 2013. Ta-coating will be tested first. • Refurbishment of CORELLA finished. Tests with rotation speed according to 10m/s successful. Tests with Maxthal, T91, SiSiC, Noriloy, GESA will start in December 2012.

  3. Main Results of WP6 Task 3: Oxygen control and purification strategy • Strategy on monitoring and control of the oxygen activity in a pool type reactor and purification of lead during plant operation were established. • Required oxygen amount was calculated. • KIT promised to do some estimation on tritium…. Task 4: Damping pressure waves inside the SG • LIFUS 5 passed the approval by safety authorities and is under commissioning. Experiments will start in March 2013. • Some issues on the experimental setup are still under discussions. Task 5: Scientific and technology collaboration with ROSATOM New CooA has been sent to RF nominated representatives in June 2012 and foresee a two days meeting to be organized preferably before march 2013 covering the four topics- now reaction from Russia up to now. At the EUROATOM/ROSATOM-Meeting in Brussels (Oct. 2012) it was promised by ROSATOM representative to reconsider our proposal….

  4. Planning of Deliverables and Technical reports

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