In situ proton irradiation-induced creep at very high temperature

Anne A. Campbell; Gary S. Was

doi:10.1016/j.jnucmat.2012.08.041

In situ proton irradiation-induced creep at very high temperature

Anne A. Campbell, Gary S. Was

Advanced Nuclear Materials

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

6 Scopus citations

Abstract

This objective of this work was to develop an experimental facility that can perform in situ high temperature proton irradiation-induced creep experiments on a range of materials. This was achieved by designing an irradiation chamber and stage that allows for load application and removal, provides a method for controlling and monitoring temperature and proton flux, and a means to make in situ measurement of dimensional change of the samples during the experiment. Initial experiments on POCO Graphite Inc. ZXF-5Q grade ultra-fine grain samples irradiated at 1000 °C at a damage rate of 1.15 × 10^-6 dpa/s exhibited a linear dependence of measured creep rate on applied stress over a range of stresses from 10 MPa to 40 MPa.

Original language	English
Pages (from-to)	86-94
Number of pages	9
Journal	Journal of Nuclear Materials
Volume	433
Issue number	1-3
DOIs	https://doi.org/10.1016/j.jnucmat.2012.08.041
State	Published - 2013

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10.1016/j.jnucmat.2012.08.041

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AB - This objective of this work was to develop an experimental facility that can perform in situ high temperature proton irradiation-induced creep experiments on a range of materials. This was achieved by designing an irradiation chamber and stage that allows for load application and removal, provides a method for controlling and monitoring temperature and proton flux, and a means to make in situ measurement of dimensional change of the samples during the experiment. Initial experiments on POCO Graphite Inc. ZXF-5Q grade ultra-fine grain samples irradiated at 1000 °C at a damage rate of 1.15 × 10-6 dpa/s exhibited a linear dependence of measured creep rate on applied stress over a range of stresses from 10 MPa to 40 MPa.

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JO - Journal of Nuclear Materials

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In situ proton irradiation-induced creep at very high temperature

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