Heat-resistant Ir alloy wire
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United States of America Patent
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Nov 1, 2022
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N/A
app pub date -
Nov 30, 2021
filing date -
Nov 30, 2020
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Abstract
Provided is an Ir alloy wire, which is further improved in oxidation wear resistance while ensuring a Vickers hardness. The Ir alloy wire includes: 5 mass % to 30 mass % of Rh; and 0.5 mass % to 5 mass % of Ta, wherein an average value A for an aspect ratio (crystal grain length/crystal grain width) of a structure of the alloy wire in a range of a depth of 0.05 mm or less from a surface of the alloy wire satisfies 1≤A<6.
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