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TLP bonding is a metal joining process that yields a high quality bond at the interface of the materials to be jointed together. The bond is formed through the isothermal solidification of a melting point depressant (MPD) rich interlayer.
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In order to maximize efficiency in modern gas turbine engines, manufacturers have developed methods of obtaining minimal clearance between rotating turbine blade tips and stationary engine casings.
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The Dayton cleaning system is a commercially viable system that was first patented in 1980. The system is used to remove service oxides from industrial and aero engine turbine components in order to facilitate weld and braze repair.
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Transient liquid phase bonding, also known as diffusion brazing, is a metal joining process that produces a high quality bond through the isothermal solidification of a melting point depressant-rich interlayer.
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Hard chromium plating has traditionally been used on aircraft airframe components to provide corrosion protection and wear resistance. Chromium plating has been identified by governmental regulatory agencies as a health hazard due to the presence of hexavalent chromium within the plating solutions. This has prompted major airframe and landing gear manufacturers to search for alternative processes to chromium plating which do not pose a health threat to the process operators. The leading candidate for hard chromium replacement is tungsten carbide coating applied by the HVOF (High Velocity Oxygen Fuel) thermal spray process. There are many practical considerations to account for when implementing a change of this magnitude.
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