High-strength beryllium-free moulded body made from zirconium alloys which may be plastically deformed at room temperature
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United States of America Patent
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Nov 27, 2007
Grant Date -
Dec 2, 2004
app pub date -
Aug 12, 2002
filing date -
Aug 30, 2001
priority date (Note) -
Expired
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Abstract
High-strength, beryllium-free moulded bodies made from zirconium alloys which may be plastically deformed comprise a material essentially corresponding to the following formula in composition: Zr.sub.a(E1).sub.b(E2).sub.c(E3).sub.d(E4).sub.e, where E1=one or several of Nb, Ta, Mo, Cr, W, Ti, V, Hf and Y, E2=one or several of Cu, Au, Ag, Pd and Pt, E3=one or several of Ni, Co, Fe, Zn and Mn, E4=one or several of AI, Ga, Si, P, C, B, Sn, Pb and Sb, a=100-(b+c+d+e), b=5 to 15, c=5 to 15, d=0 to 15 and e=5 to 15 (a, b, c, d, e in atom %). The moulded body essentially comprises a homogeneous, microstructural structure which is a glass-like or nano-crystalline matrix with a ductile, dendritic, cubic body-centered phase embedded therein.
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