DOI | Resolve DOI: https://doi.org/10.4028/www.scientific.net/MSF.706-709.3022 |
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Author | Search for: Wanjara, P.1; Search for: Dalgaard, E.; Search for: Gholipour, J.1; Search for: Larose, J. |
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Affiliation | - National Research Council of Canada. Aerospace
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Format | Text, Article |
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Conference | 7th International Conference on Processing and Manufacturing of Advanced Materials, THERMEC'2011, 1 August 2011 through 5 August 2011, Quebec City, QC |
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Subject | Forging pressures; Linear friction welding; Microhardness testing; Microstructural examination; Microstructural features; Ni-based superalloys; Parent materials; Recrystallized grains; Single crystal Ni-based superalloys; Single crystal superalloys; Thermomechanically affected zones; Weld zone; Welded materials; Friction welding; Microstructural evolution; Recrystallization (metallurgy); Single crystals; Strength of materials; Superalloys; Welds; Crystal orientation; Friction; Tribology; Welding |
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Abstract | The effect of forging pressure on linear friction welding (LFW) behaviour of a single crystal Ni-based superalloy was investigated. Crystal orientations of the specimens were controlled and results indicated that welding success is dependent on proximity of the oscillation direction to the <011> direction. Characterization of the welds included optical examination of the microstructural features of the weld and thermomechanically affected zones (TMAZ) in relation to the parent material. Mechanical properties of the welded material examined via microhardness testing showed an increase in strength in the weld zone (WZ). Microstructural examination indicated that some recrystallization occurred in the WZ, as well as a small amount of distortion of the dendrites in the TMAZ. With increased forge pressure, recrystallized grains remaining in the weld were minimized. © 2012 Trans Tech Publications, Switzerland. |
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Publication date | 2012 |
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In | |
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Language | English |
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Peer reviewed | Yes |
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NPARC number | 21269370 |
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Export citation | Export as RIS |
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Report a correction | Report a correction (opens in a new tab) |
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Record identifier | 24949def-39bf-425f-b046-4fc731a8a0ae |
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Record created | 2013-12-12 |
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Record modified | 2020-04-21 |
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