Permeation Behavior of Deuterium Implanted into 304 SS

K. Okuno; S. Ohira; Y. Naruse; K. Yamanaka; M. Misumi

doi:dx.doi.org/10.13182/FST91-A29571

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Permeation Behavior of Deuterium Implanted into 304 SS

K. Okuno, S. Ohira, Y. Naruse, K. Yamanaka, M. Misumi

Fusion Science and Technology / Volume 19 / Number 3P2B / May 1991 / Pages 1607-1611

Material and Tritium / Proceedings of the Ninth Topical Meeting on the Technology of Fusion Energy (Oak Brook, Illinois, October 7-11, 1990) / dx.doi.org/10.13182/FST91-A29571

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Implantation-driven permeation (IDP) behavior of deuterium implanted with low energy (100–1800 eV) into 304 stainless steel has been studied. The experimental results showed that steady state permeation fluxes of deuterium through 304 SS decreased significantly with increasing the D⁺ ion from 100 through 1000 eV, while those above 1000 eV little depended on the energy. The energy dependence of the permeation flux observed would be attributed to change of the rate-determining regime of the permeation process depending on the incident ion energy.