The Effect of Heat Treatment on the Properties of LF9 Alloy

Abstract:

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The paper experimentally investigated the change of LF9 properties, including strength at room temperature and 350°C, plasticity and impact toughness, under various heat treatment schedules. Results show that the strength of LF9 decreases and plasticity and toughness increase after secondary aging, with the increase of solid solution temperature. Meanwhile, with the increase of aging time, the strength of LF9 increase and plasticity and toughness decrease. The investigation of optical metallography, TEM and phase analysis indicate that the phenomena are mainly caused by the precipitation of η, γ’and γ’’.

Info:

Periodical:

Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie

Pages:

442-445

DOI:

10.4028/www.scientific.net/KEM.353-358.442

Citation:

S. C. Cheng et al., "The Effect of Heat Treatment on the Properties of LF9 Alloy", Key Engineering Materials, Vols. 353-358, pp. 442-445, 2007

Online since:

September 2007

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Price:

$35.00

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