Depth dependence of radiation hardening in 10 MeV 
                        4
                        He
                        +
                        -ION bombarded molybdenum

Katunori Abe; Akira Hasegawa; Michio Kikuchi; Shotaro Morozumi

doi:10.1016/0022-3115(82)90759-0

Depth dependence of radiation hardening in 10 MeV ⁴ He ⁺ -ION bombarded molybdenum

Katunori Abe, Akira Hasegawa, Michio Kikuchi, Shotaro Morozumi

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

By applying the technique of local dosimetry and micro-indentation, the micro-hardness depth profile is directly determined for molybdenum specimens, which are bombarded by 10 MeV ⁴ He ⁺ -ions at about 300°C to fluences of 1 × 10 ²⁰ ∼ 7 × 10 ²¹ ion/m ² . The depth profile is similar to the damage energy profile and has a sharp peak with a front plateau. The degree of radiation hardening at peak and plateau regions differs in fluence dependence and in post-irradiation annealing behavior. This may be attributed to the role of implanted helium. The influence on radiation hardening of material purity, cold work and alloying with zirconium is also studied.

Original language	English
Pages (from-to)	1169-1173
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	104
Issue number	C
DOIs	https://doi.org/10.1016/0022-3115(82)90759-0
Publication status	Published - 1981 Jan 1

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering
Materials Science(all)

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10.1016/0022-3115(82)90759-0

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Abe, K., Hasegawa, A., Kikuchi, M., & Morozumi, S. (1981). Depth dependence of radiation hardening in 10 MeV ⁴ He ⁺ -ION bombarded molybdenum Journal of Nuclear Materials, 104(C), 1169-1173. https://doi.org/10.1016/0022-3115(82)90759-0

Depth dependence of radiation hardening in 10 MeV ⁴ He ⁺ -ION bombarded molybdenum . / Abe, Katunori; Hasegawa, Akira; Kikuchi, Michio et al.

In: Journal of Nuclear Materials, Vol. 104, No. C, 01.01.1981, p. 1169-1173.

Research output: Contribution to journal › Article › peer-review

Abe, K, Hasegawa, A, Kikuchi, M & Morozumi, S 1981, ' Depth dependence of radiation hardening in 10 MeV ⁴ He ⁺ -ION bombarded molybdenum ', Journal of Nuclear Materials, vol. 104, no. C, pp. 1169-1173. https://doi.org/10.1016/0022-3115(82)90759-0

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abstract = " By applying the technique of local dosimetry and micro-indentation, the micro-hardness depth profile is directly determined for molybdenum specimens, which are bombarded by 10 MeV 4 He + -ions at about 300°C to fluences of 1 × 10 20 ∼ 7 × 10 21 ion/m 2 . The depth profile is similar to the damage energy profile and has a sharp peak with a front plateau. The degree of radiation hardening at peak and plateau regions differs in fluence dependence and in post-irradiation annealing behavior. This may be attributed to the role of implanted helium. The influence on radiation hardening of material purity, cold work and alloying with zirconium is also studied.",

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AB - By applying the technique of local dosimetry and micro-indentation, the micro-hardness depth profile is directly determined for molybdenum specimens, which are bombarded by 10 MeV 4 He + -ions at about 300°C to fluences of 1 × 10 20 ∼ 7 × 10 21 ion/m 2 . The depth profile is similar to the damage energy profile and has a sharp peak with a front plateau. The degree of radiation hardening at peak and plateau regions differs in fluence dependence and in post-irradiation annealing behavior. This may be attributed to the role of implanted helium. The influence on radiation hardening of material purity, cold work and alloying with zirconium is also studied.

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Depth dependence of radiation hardening in 10 MeV ⁴ He ⁺ -ION bombarded molybdenum

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ASJC Scopus subject areas

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