The Annealing and Low Temperature Aging Characteristics of Fine Diameter Wire Produced from Dilute Aluminum Alloys

DF Hebert

doi:10.1520/STP32672S

SYMPOSIA PAPER Published: 01 January 1984

STP32672S

The Annealing and Low Temperature Aging Characteristics of Fine Diameter Wire Produced from Dilute Aluminum Alloys

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Compared are the ultrasonic bonding, annealing and low temperature aging characteristics of one mil Al-1 pct Si, Al-1 pct Mg, and Al-½ pct Mg bonding wires. Ultimate tensile strengths and average bond pull strengths of these three alloys decrease similarly in the 125° to 200°C temperature range, while dissimilarity was observed in elongation: Al-Mg alloys become more ductile and Al-1 pct Si embrittles. Aging to −65°C showed no changes in the mechanical properties of Al-½ pct Mg but caused embrittlement in Al-1 pct Mg, suggesting GP zone formation.

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Hebert, DF

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Developed by Committee: F01

Pages: 458–471

DOI: 10.1520/STP32672S

ISBN-EB: 978-0-8031-4915-1

ISBN-13: 978-0-8031-0403-7

The Annealing and Low Temperature Aging Characteristics of Fine Diameter Wire Produced from Dilute Aluminum Alloys

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