Anisotropy of the Fracture Toughness in Aged Inconel 718

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1997
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Liu, G.
Rehbein, David
Buck, Otto
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Review of Progress in Quantitative Nondestructive Evaluation
Center for Nondestructive Evaluation

Begun in 1973, the Review of Progress in Quantitative Nondestructive Evaluation (QNDE) is the premier international NDE meeting designed to provide an interface between research and early engineering through the presentation of current ideas and results focused on facilitating a rapid transfer to engineering development.

This site provides free, public access to papers presented at the annual QNDE conference between 1983 and 1999, and abstracts for papers presented at the conference since 2001.

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Inconel 718 is a widely used material for applications at temperatures up to 650°C. Many research groups have studied the properties of Inconel 718 at different conditions [1, 2]. It is known that, after several thousand hours at 650 °C, Inconel 718 shows roughly a 75% decrease in the Charpy V-notch impact energy [3]. However, any anisotropic characteristics of this steel have not been investigated in adequate detail. Consequently, in order to maintain the integrity of the components, it is important to clarify the orientation dependence of the mechanical properties of INCONEL 718.

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Wed Jan 01 00:00:00 UTC 1997