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A review: Interlayer joining of nickel base alloys
Journal of Advanced Joining Processes, Volume: 2, Start page: 100030
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This article provides a comprehensive review of the improvements and results in interlayer bonding of nickel and its alloys to other metal alloys. The development of the interlayer bonding process in joining nickel-based alloys is of high interest to the aerospace and power generation industries, wi...
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This article provides a comprehensive review of the improvements and results in interlayer bonding of nickel and its alloys to other metal alloys. The development of the interlayer bonding process in joining nickel-based alloys is of high interest to the aerospace and power generation industries, with the idea of on-site repair of turbine components of focus. History of the diffusion bonding process has been summarized, and bonding parameters and methods for various alloy combinations have been outlined. The relationship between hardness and strength, to the intermetallic compounds and porosity present in the bond region has been illustrated. The literature shows the methods for manipulating the volume of these compounds, and subsequent strength. The paper also shows the microstructural changes that occur during interlayer bonding and how these may be manipulated by changing bonding parameters and interlayer composition. Recent and influential papers have been summarized, with the key findings outlined, the type of interlayer and alloy/s being joined have been headlined for ease of navigation, when available, bond strengths and mechanical property values have been highlighted to illustrate bond soundness. This review does not concern traditional fusion welding methods.
Nickel alloys, Interlayer bonding, Diffusion bonding, Dissimilar joining, Titanium alloys
College of Engineering