Relationship between contractile strain ratio R and texture in zirconium alloy tubing
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R
F =R--~i and f r = R + 1" The theoretically derived relations are in good agreement with the experimental data. The procedure of correlating texture with plastic anisotropy is not limited t o zirconium alloy tubing, but should be equally applicable t o textured sheet and plate materials and other alloys with a limited n u m b e r of slip systems. ZIRCONIUM alloys have gained nearly universal acceptance as fuel cladding materials in w a t e r cooled nuclear reactors. The alloys most commonly used in light water reactors are zircaloy-2 (1.5 wt pct Sn, 0.13 Fe, 0.10 Cr, 0.05 Ni, 0.12 oxygen, balance Zr) and zircaloy-4 (1.5 wt pct Sn, 0.20 Fe, 0.10 Cr,
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