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In situ neutron diffraction under tensile loading of powder-in-tube composite wires: Effect of reaction heat treatment on texture, internal stress state, and load transfer
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10.1063/1.2766685
/content/aip/journal/apl/91/4/10.1063/1.2766685
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/4/10.1063/1.2766685

Figures

Image of FIG. 1.
FIG. 1.

Backscatter electron image of the PIT strand cross section after , HT. A phase contrast between reacted and nonreacted part of the tube can be seen. Scanning electron microscopy image courtesy of Arnau, CERN TS-MME.

Image of FIG. 2.
FIG. 2.

(Color online) Diffraction peak intensity of selected peaks in (a) Cu and in (b) Nb–Ta and as a function of strand orientation with respect to the neutron beam in the reacted PIT strand. At 0° the scattering vector is in direction of the strand axis.

Image of FIG. 3.
FIG. 3.

(Color online) Cu, Nb–Ta, and lattice constant in axial and transverse direction as a function of uniaxial tensile stress. For Cu and Nb–Ta the lattice constant has been measured for the nonheat treated and heat treated PIT strand. The Cu and Nb results for the reacted strand are magnified in insets (a) and (b). The error bars indicate a statistical error of . In axial wire position only the (440) reflection had sufficient intensity for determining the lattice spacing. In the inset in (c) the stress-strain curve obtained for the reacted PIT strand is shown (courtesy of Rehmer, BAM).

Tables

Generic image for table
Table I.

Axial and transverse and Nb–Ta lattice parameters determined using tubes extracted from the Cu matrix of the reacted PIT strand.

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/content/aip/journal/apl/91/4/10.1063/1.2766685
2007-07-24
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: In situ neutron diffraction under tensile loading of powder-in-tube Cu∕Nb3Sn composite wires: Effect of reaction heat treatment on texture, internal stress state, and load transfer
http://aip.metastore.ingenta.com/content/aip/journal/apl/91/4/10.1063/1.2766685
10.1063/1.2766685
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