Residual Stress in Copper Containing a High Concentration of Krypton Precipitates
Identifieur interne : 000979 ( Main/Exploration ); précédent : 000978; suivant : 000980Residual Stress in Copper Containing a High Concentration of Krypton Precipitates
Auteurs : M. H Rting [Afrique du Sud] ; M. Yaman [Afrique du Sud] ; R. Bucher [Afrique du Sud] ; D. T. Britton [Afrique du Sud]Source :
- Advanced Engineering Materials [ 1438-1656 ] ; 2002-08-06.
English descriptors
Abstract
A study of the residual stress and bubble pressure in bulk samples of copper, containing 3 at.‐% krypton, using X‐ray diffraction techniques is presented here. The authors have confirmed that the Kr forms solid precipitates with an fcc structure, which is consistent with an estimated pressure of 2.4 GPa. Stress measurements in the surrounding Cu matrix indicate a zero normal stress, confirming that the matrix experiences only a shear strain. The magnitude of the shear stress is estimated from the bubble pressure to be below the yield stress of the matrix, thus explaining the long term stability of the bubbles.
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DOI: 10.1002/1527-2648(20020806)4:8<592::AID-ADEM592>3.0.CO;2-2
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The authors have confirmed that the Kr forms solid precipitates with an fcc structure, which is consistent with an estimated pressure of 2.4 GPa. Stress measurements in the surrounding Cu matrix indicate a zero normal stress, confirming that the matrix experiences only a shear strain. The magnitude of the shear stress is estimated from the bubble pressure to be below the yield stress of the matrix, thus explaining the long term stability of the bubbles.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li></country></list><tree><country name="Afrique du Sud"><noRegion><name sortKey="H Rting, M" sort="H Rting, M" uniqKey="H Rting M" first="M." last="H Rting">M. H Rting</name></noRegion><name sortKey="Britton, D T" sort="Britton, D T" uniqKey="Britton D" first="D. T." last="Britton">D. T. Britton</name><name sortKey="Bucher, R" sort="Bucher, R" uniqKey="Bucher R" first="R." last="Bucher">R. Bucher</name><name sortKey="Yaman, M" sort="Yaman, M" uniqKey="Yaman M" first="M." last="Yaman">M. Yaman</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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