Ir-based alloys for ultra-high temperature applications

Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...

Reexamination Certificate

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C420S461000

Reexamination Certificate

active

06982122

ABSTRACT:
An alloy composition includes, in atomic percent: about 1 to about 10% of at least one element selected from the group consisting of Zr and Hf, balance Ir.

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H. Hosoda et al, “Phase Stability & Mechanical Properties of IrAl Alloys” Matls. Trans, JIM 38, 871-879, 1997.
X. Yu et al, “High Temp. Materials Based on Quaternary Ir-Nb-Ni-Al Alloys” Mat.Res.Soc. Symp.Proc., V. 646, pp. N3.7.1-3.7.6, 2001.
Y. Yamabe-Mitarai,“High Temp. Strength of Ir-Based Refractory Super-alloys,” MRS Symp. Proc., V. 646, pp. N3.6.1-3.6.12, 2001.

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