Comparison of Ultrasound with Tensile Testing of Thermally Damaged Polyimide Insulated Wiring (MIL-W-81381) | Zendy

Eric I. Madaras | Zendy; Robert F. Anastasi | Zendy

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Comparison of Ultrasound with Tensile Testing of Thermally Damaged Polyimide Insulated Wiring (MIL-W-81381)

Author(s) -

Eric I. Madaras,

Robert F. Anastasi

Publication year - 2003

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.1570296

Subject(s) - polyimide , kapton , materials science , composite material , ultimate tensile strength , ultrasonic sensor , phase (matter) , acoustics , physics , layer (electronics) , quantum mechanics

Ultrasonic measurements were performed on MIL‐W‐81381/7, /12, and /21 wire, a polyimide (Kapton®) insulated wire. The phase velocity for the 20‐gauge MIL‐W‐81381/7 wire had a baseline value of 3023 ± 78 m/s. After exposure to high temperatures, the wire’s phase velocity rapidly increased, and reached an asymptotic value of 3598 ± 20 m/s after 100 hours exposure. Similar responses were measured in other gauges. The baseline measurements of Young’s moduli resulted in values of 5636 ± 486, 7714 ± 505, and 8767 ± 292 KSI for the 20 ga, 16 ga, and 12 ga. wires respectively.

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