A comparison of microstructures in copper irradiated with fission, fusion and spallation neutrons

T. Muroga; H. L. Heinisch; W. F. Sommer; P. D. Ferguson

doi:10.1016/0022-3115(92)90655-5

A comparison of microstructures in copper irradiated with fission, fusion and spallation neutrons

T. Muroga, H. L. Heinisch, W. F. Sommer, P. D. Ferguson

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

16 Scopus citations

Abstract

The microstructures of pure copper irradiated to low doses at 36-90°C with spallation neutrons, fusion neutrons and fission neutrons are compared. The defect cluster densities for the spallation and fusion neutrons are very similar when compared on the basis of displacement per atom (dpa). In both cases, the density increases in proportion to the square root of the dpa. The difference in defect density between fusion neutrons and fission neutrons corresponds with differences observed in data on the yield stress changes.

Original language	English
Pages (from-to)	1150-1154
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	191-194
Issue number	PART B
DOIs	https://doi.org/10.1016/0022-3115(92)90655-5
State	Published - Sep 1992
Externally published	Yes

Funding

The transmissioenl ectronm icroscopyo bservations of the ~rradlatesdp ecimenws erep erformedd urmga stay of one of the authors (TMa)t Pacific Northwest Laboratorya s a halsono f the Japan-USA Fusion Co-operationin "FundamentaSlt udieso f Irra&atlonE f-fects in Fusion MaterialsU tlhzmgF ~sslonR eactors" sponsorebdy Monbushot,h eJ apaneseM imstryo f Education,S ciencea nd Culture.T his workw as also sup-portedi n part by the US Departmenotf Energyu nder contracDt E-AC06-76RLO1 830

Funders	Funder number
US Departmenotf Energyu nder contracDt E-AC06-76RLO1 830	E-AC06-76RLO1 830

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10.1016/0022-3115(92)90655-5

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abstract = "The microstructures of pure copper irradiated to low doses at 36-90°C with spallation neutrons, fusion neutrons and fission neutrons are compared. The defect cluster densities for the spallation and fusion neutrons are very similar when compared on the basis of displacement per atom (dpa). In both cases, the density increases in proportion to the square root of the dpa. The difference in defect density between fusion neutrons and fission neutrons corresponds with differences observed in data on the yield stress changes.",

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AU - Muroga, T.

AU - Heinisch, H. L.

AU - Sommer, W. F.

AU - Ferguson, P. D.

PY - 1992/9

Y1 - 1992/9

N2 - The microstructures of pure copper irradiated to low doses at 36-90°C with spallation neutrons, fusion neutrons and fission neutrons are compared. The defect cluster densities for the spallation and fusion neutrons are very similar when compared on the basis of displacement per atom (dpa). In both cases, the density increases in proportion to the square root of the dpa. The difference in defect density between fusion neutrons and fission neutrons corresponds with differences observed in data on the yield stress changes.

AB - The microstructures of pure copper irradiated to low doses at 36-90°C with spallation neutrons, fusion neutrons and fission neutrons are compared. The defect cluster densities for the spallation and fusion neutrons are very similar when compared on the basis of displacement per atom (dpa). In both cases, the density increases in proportion to the square root of the dpa. The difference in defect density between fusion neutrons and fission neutrons corresponds with differences observed in data on the yield stress changes.

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ER -

A comparison of microstructures in copper irradiated with fission, fusion and spallation neutrons

Abstract

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