CERN Accelerating science

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1.
Preparation Femtosecond Laser Prevention for the Cold-Worked Stress Corrosion Crackings on Reactor Grade Low Carbon Stainless Steel / John Minehara, Eisuke ; Nisimura, Akihiko
We report here that the femtosecond lasers like low average power Ti:Sapphire lasers, the JAERI high average power free-electron laser and others could peel off and remove two stress corrosion cracking (SCC) origins of the cold-worked and the cracking susceptible material, and residual tensile stress in hardened and stretched surface of low-carbon stainless steel cubic samples for nuclear reactor internals as a proof of principle experiment except for the third origin of corrosive environment. Because a 143 °C and 43% MgCl2 hot solution SCC test was performed for the samples to simulate the cold-worked SCC phenomena of the internals to show no crack at the laser-peered off strip on the cold-worked side and ten-thousands of cracks at the non-peeled off on the same side, it has been successfully demonstrated that the femtosecond lasers could clearly remove the two SCC origins and could resultantly prevent the cold-worked SCC..
2004 External link: Published version from JACoW
In : 26th International Free Electron Laser Conference and 11th FEL User Workshop 2004, Trieste, Italy, 29 Aug - 3 Sep 2004, pp.e-proc. THBOS02
2.
JAERI 10kW High Power ERL-FEL and Its Applications in Nuclear Energy Industries / Minehara, E J ; Hajima, R ; Iijima, H ; Kikuzawa, N ; Nagai, R ; Nishimori, N ; Nishitani, T ; Sawamura, M ; Yamauchi, T
The JAERI high power ERL-FEL has been extended to the more powerful and efficient free-electron laser (FEL) than 10kW for nuclear energy industries, and other heavy industries like defense, shipbuilding, chemical industries, environmental sciences, space-debris, and power beaming and so on. In order to realize such a tunable, highly-efficient, high average power, high peak power and ultra-short pulse FEL, we need the efficient and powerful FEL driven by the JAERI compact, stand-alone and zero boil-off super-conducting RF linac with an energy-recovery geometry. [...]
2005 External link: Published version from JACoW
In : 27th International Conference on Free Electron Lasers, Palo Alto, CA, USA, 21 - 26 Aug 2005, pp.305
3.
Design considerations in the use of stainless steel for vacuum and cryogenic equipment / Geyari, C
The properties making austenitic stainless steel a preferred material for the construction of high vacuum equipment are reviewed. Best results are obtained if attention is paid to the improvement of welding properties, particularly with a view to prevent intercrystalline disintegration. [...]
1976 - Published in : Vacuum 26 (1976) 287-97
4.
Potential Mechanisms For Corrosion And Stress Corrosion Cracking Failure Of 3013 Storage Containers Composed Of 316 Stainless Steel / Kolman, D G
LA-UR-97-4462.
- 1998.
Records from U.S. DOE Office of Scientific and Technical Information
5.
Finite Difference Simulation of Ultrasonic NDE Methods for the Detection and Sizing of Stress Corrosion Cracking (SCC) / Pörtzgen, N ; Volker, A W F ; Fingerhut, M ; Tomar, M ; Wassink, C
2006 - Published in : AIP Conf. Proc.: 820 (2006) , pp. 1902-1909 External link: Published version from AIP
In : Quantitative Nondestructive Evaluation, Brunswick, ME, USA, 31 Jul - 5 Aug 2005, pp.1902-1909
6.
Analysis of the Leakage Events in the Thermal Shield Cooling Pipes of the ITER Magnet System / Sgobba, Stefano (CERN) ; Santillana, Ignacio Aviles (CERN) ; Celuch, Michal (CERN) ; Crouvizier, Mickaël (CERN) ; Perez Fontenla, Ana Teresa (CERN) ; Castro, Enrique Rodriguez (CERN) ; Mitchell, Neil (Euratom, St. Paul Lez Durance) ; Koizumi, Norikiyo (Euratom, St. Paul Lez Durance) ; Pearce, Robert (Euratom, St. Paul Lez Durance) ; Worth, Liam (Euratom, St. Paul Lez Durance) et al.
The ITER Thermal Shields (TS) consist of actively cooled stainless steel panels. Their role is to minimise the radiation heat load from warm components, such as the Vacuum Vessel (VV) and the cryostat, hence contributing to insulating the magnet system operating at 4.5 K. [...]
2024 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4203405
7.
200 MeV proton irradiation of the oxide-dispersion-strengthened copper alloy (GlidCop-Al15) / Simos, N (Brookhaven Natl. Lab. ; Stony Brook U.) ; Kotsina, Z (Democritos Nucl. Res. Ctr.) ; Dooryhee, E (Brookhaven Natl. Lab.) ; Zhong, Z (Brookhaven Natl. Lab.) ; Zhong, H (Stony Brook U.) ; Camino, F (Brookhaven Natl. Lab.) ; Quaranta, E (CERN) ; Charitonidis, N (CERN) ; Bertarelli, A (CERN) ; Redaelli, S (CERN) et al.
In search to identify extremely stable materials to perform the collimation function of the 7-TeV proton beam halo at the Large Hadron Collider (LHC), oxide dispersion strengthened (DS) copper alloys were explored. These internally oxidized copper alloys known as GlidCop are also leading candidates for high heat flux applications in fusion reactors and as divertor and first wall structure in ITER. [...]
2019 - 13 p. - Published in : J. Nucl. Mater. 516 (2019) 360-372
8.
De-alloying And Stress-corrosion Cracking. Final Report / Sieradzki, K
DOE-ER-45524-1.
- 1998.
Records from U.S. DOE Office of Scientific and Technical Information
9.
Stress Corrosion Cracking In Canistered Waste Package Containers : Welds And Base Metals / Huang, J S
UCRL-ID-130063.
- 1998.
Records from U.S. DOE Office of Scientific and Technical Information
10.
Workshop on industrial application of neutron diffraction. Stress measurement by neutron diffraction / Minakawa, N
This workshop was planned to make use of the neutron from the reactor and the pulse neutron source JSNS for the industrial world. [...]
JAERI-REVIEW-2002-002. - 2002. - 50 p.
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