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On the mechanism of quench cracking in Rene 95 nickel-based superalloy

Kane, WM and Krupp, U and Jacobs, T and McMahon, CJ (2005) On the mechanism of quench cracking in Rene 95 nickel-based superalloy. Materials Science and Engineering A, 402 (1-2). 42 - 46. ISSN 0921-5093

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Abstract

The mechanism of quench cracking in the nickel-based superalloy Rene 95 has been investigated. Rapid cooling of notched tensile bars loaded with fixed grips was used to mimic a quench. Failures occurred by brittle intergranular fracture in air, but by rupture and at higher stress in vacuum. The brittle intergranular fracture in air was recognized as dynamic embrittlement. Nickel-plating of sufficient thickness was found to eliminate cracking when Rene 95 was water-quenched from above the γ′ solvus temperature. © 2005 Elsevier B.V. All rights reserved.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Kane, WM
Krupp, U
Jacobs, Ttjacobs@pitt.eduTJACOBS0000-0001-8576-914X
McMahon, CJ
Date: 15 August 2005
Date Type: Publication
Journal or Publication Title: Materials Science and Engineering A
Volume: 402
Number: 1-2
Page Range: 42 - 46
DOI or Unique Handle: 10.1016/j.msea.2005.05.032
Schools and Programs: Swanson School of Engineering > Mechanical Engineering and Materials Science
Refereed: Yes
ISSN: 0921-5093
Related URLs:
Date Deposited: 10 Oct 2014 19:19
Last Modified: 02 Feb 2019 15:55
URI: http://d-scholarship.pitt.edu/id/eprint/23220

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