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- Title
Improved Castability of Directionally Solidified, Ni-Based Superalloy by the Liquid Metal Cooling Process.
- Authors
Liu, Chang; Li, Kaiwen; Shen, Jian; Zhang, Jian; Lou, Langhong
- Abstract
The hot-cracking susceptibility of directionally solidified, Ni-based superalloys obtained by different casting technologies, such as high-rate solidification (HRS) and liquid metal cooling (LMC), are compared in this article. Refined microstructures and the improved castability of LMC castings has been found. The improved hot-cracking resistance in castings using the LMC process can be attributed to the decreased length of the uncompensated zone and to the increased grain boundary cohesion in this zone.
- Subjects
HEAT resistant alloys; LIQUID metals; COOLING; NICKEL; SOLIDIFICATION; MICROSTRUCTURE; FOUNDING; CRYSTAL grain boundaries
- Publication
Metallurgical & Materials Transactions. Part A, 2012, Vol 43, Issue 2, p405
- ISSN
1073-5623
- Publication type
Article
- DOI
10.1007/s11661-011-1023-2