2010/04/21

{100} facets have been reported in voids induced by neutron irradiation in Mo at 760 °C (Th = 0.35)

Cavity nucleation and growth in Cu–Zn–Al irradiated with Cu+ ions ...

E Zelaya 著 - 2009 - 関連記事

Cavity density per unit area and mean cavity size for each irradiation condition. .... As discussed in reference [27], {100} facets have been reported in voids induced by neutron irradiation in Mo at 760 °C (Th = 0.35). ... In the following, the 15 dpa dose experiment at room temperature is analyzed in more detail. ...

linkinghub.elsevier.com/retrieve/pii/S0966979509002519

Neutron damage in molybdenum irradiated at high temperatures

Authors: R. C. Rau ^a^b; F. Secco D'aragona ^a^c;R. L. Ladd ^a^d

Affiliations:	^a General Electric Company, Nuclear Systems Programs, Cincinnati, Ohio, U.S.A.
	^b Department of Materials Science and Metallurgical Engineering, University of Cincinnati, Cincinnati, Ohio, U.S.A.
	^c Dow-Corning Corporation, Midland, Michigan, U.S.A.
	^d Materials Science Department, University of Virginia, Charlottesville, Virginia, U.S.A.

DOI: 10.1080/14786437008238430

Publication Frequency: 36 issues per year

Published in: journal

Philosophical Magazine, Volume 21, Issue 171 March 1970 , pages 441 - 452

Subjects: Composites; Condensed Matter Physics; Crystallography; Materials Science; Metals & Alloys; Nanoscience & Nanotechnology; Polymers & Plastics;

Formats available: PDF (English)

Also incorporating: Philosophical Magazine A

Also incorporating: Philosophical Magazine Series 7

Also incorporating: Philosophical Magazine Part B

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Abstract

Transmission electron microscopy has been used to characterize the microstructure of polycrystalline molybdenum irradiated at elevated temperatures (> 0·3T_m). Irradiation at 700°c produces dislocation loops within the grains and denuded zones along grain boundaries, while irradiation at 1000°c results in generally loop-free grains which occasionally contain bands of loops and dislocation debris parallel to grain boundaries. Diffraction contrast analyses show that most of the loops are interstitial edge type, having a/2〈111〉 Burgers vectors, but that a few a〈100〉 loops are also present. Irradiation at these temperatures also produces small voids which are interpreted as representing aggregates of radiation-induced vacancies.

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