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Title: Transmission electron microscope procedures for characterising dislocation loops in neutron-irradiated zirconium and its alloys.
Authors: Blake, RG
Jostsons, A
Kelly, PM
Keywords: Transmission electron microscopy
Zirconium alloys
Issue Date: Apr-1976
Publisher: Australian Atomic Energy Commission
Series/Report no.: ANSTO External Reports
Abstract: Complete characterisation of the dislocation loops in irradiated zirconium and its alloys present particular problems; these include unfavourable texture, the presence of thin foil artefacts; the non-edge character of the loops and their elliptical shape. The procedures adopted to deal with these problems are described and a number of precautionary measures are listed. After considering the possible confusion between thin foil artefacts and small defect clusters, the report outlines the characterisation procedure in the order; Burgers vector identification; loop geometry; loop nature; and quantitative measurements. A detailed analysis of the possible errors associated with loop ellipticity is given in Appendix A.
Gov't Doc #: 951
ISBN: 0642997454
Appears in Collections:Scientific and Technical Reports

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