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turbine engine components

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Journal Articles
AM&P Technical Articles (2015) 173 (2): 44–46.
Published: 01 February 2015
... to a batch operation. This is common in high-volume production spray of thermal barrier coatings, such as NiCrAlY for aerospace turbine engine components. Figure 3 shows a main process low pressure chamber located between two load-locks, which enable part loading and unloading for spraying coatings...
Journal Articles
AM&P Technical Articles (2013) 171 (6): 18–21.
Published: 01 June 2013
...C.J. Szczepanski; P.A. Shade; M.A. Groeber; J.M. Larsen; S.K. Jha; R. Wheeler A microscale fatigue testing technique for characterizing mechanical response and relating it to microstructure promises to improve fatigue life prediction for turbine engine components. A microscale fatigue testing...
Journal Articles
AM&P Technical Articles (2013) 171 (5): 52–53.
Published: 01 May 2013
... of turbine engine components began as early as plication. 1948, with primary focus on aircraft engine applications. By Methods to increase turbine operating temperatures by im- 1970, sprayed ceramic coatings were used in the combustion proving plasma sprayed YSZ TBC performance rely on re- section of many...
Journal Articles
AM&P Technical Articles (2013) 171 (3): 23–27.
Published: 01 March 2013
... during operation. For example, in a thermally cycled environment such as a high-pressure turbine engine, residual stresses can cause components to distort unpredictably. Different thermal treatments on as-fabricated AM components have been used to minimize residual stress, but components still retain...
Journal Articles
AM&P Technical Articles (2014) 172 (5): 23–27.
Published: 01 May 2014
... this material for commercial component production. The article includes processing experience insights gained from a current R&D program in China. During the past 30 years, enormous research has been devoted to developing titanium-base intermetallics for use in gas turbine engines as lightweight...
Journal Articles
AM&P Technical Articles (2012) 170 (5): 54–56.
Published: 01 May 2012
... and have One key technology that can contribute to greater over- limited service life. Improvement in blade tips, both in cut- all fuel efficiency in gas turbines is the use of sophisticated ting particles and the matrix that holds them, will therefore protective barrier coatings on engine components...
Journal Articles
AM&P Technical Articles (2020) 178 (8): 44–48.
Published: 01 November 2020
... to be engineered with the use of advanced materials and creative coating architectures in order to deal with the conditions that future turbine components will encounter. Figure 5 shows a view on how the future need requires a foundation of advanced scientific engineering approaches. The coating microstructure...
Journal Articles
AM&P Technical Articles (2018) 176 (2): 26–28.
Published: 01 February 2018
...Ramnarayan Chattopadhyay Advanced materials engineering is being used to solve component life cycle improvement challenges in extremely harsh working conditions. This article discusses examples from various industries where new materials and surface modifications are used to extend the useful life...
Journal Articles
AM&P Technical Articles (2013) 171 (4): 29–31.
Published: 01 April 2013
...Rob Murner High-speed rotating components in gas turbines, flywheels, and turbo machinery can be a lethal threat in the event of a failure due to the energy they possess. To assess the risks associated with such failures, rotor assemblies can be evaluated by spin testing although there are inherent...
Journal Articles
AM&P Technical Articles (2016) 174 (6): 22–24.
Published: 01 June 2016
... ratio of the engine, which is achievable by reducing the weight of turbine components and increasing the speed of rotating components. Single-crystal nickel-base superalloy blades are attached to a superalloy disk using a fir-tree blade-todisk arrangement known conventionally as a blade and disk...
Journal Articles
AM&P Technical Articles (2013) 171 (5): 49–51.
Published: 01 May 2013
..., but also to enhance contemporary TBCs in natural gas systems. The TBCs (generally Y2O3 stabilized ZrO2, referred to as YSZ) are applied to engine hot section components allowing turbine operating temperatures from *Member ASM International, and member ASM Thermal Spray Society ~200 300°C higher than...
Journal Articles
AM&P Technical Articles (2014) 172 (9): 61–67.
Published: 01 September 2014
... materials for gas turbine engine components, specifically in the areas of thermal and environmental barrier coatings. Seeking Nominations for Thermal Spray Hall of Fame The Thermal Spray Hall of Fame, established in 1993 by the Thermal Spray Society of ASM International, recognizes and honors outstanding...
Journal Articles
AM&P Technical Articles (2013) 171 (9): 26–30.
Published: 01 September 2013
... turbines used alloys such as IN718 and parts were made from forgings or castings. However, component life was limited by oxidation, corrosion, strength, creep, and cyclic properties. As engine temperatures continued to rise, three things had to evolve: Alloys for high strength and improved creep...
Journal Articles
AM&P Technical Articles (2015) 173 (5): 21–24.
Published: 01 May 2015
... beyond that of superalloy single crystals. AMike Nathal, NASA Glenn Research Center (retired), Cleveland high-pressure turbine rotor is subjected to the most demanding conditions in the turbine engine, which places stringent requirements on the materials used. Turbine blades re- quire a balance of creep...
Journal Articles
AM&P Technical Articles (2020) 178 (7): 19–21.
Published: 01 October 2020
... and oxidation. It is most often used to manufacture combustion zone components for gas turbine engines in both aerospace and power generation applications. Parts 3D printed with Hastelloy X are exceptionally strong, with cyclic fatigue strength, corrosion resistance, and creep resistance that deliver durability...
Journal Articles
AM&P Technical Articles (2018) 176 (2): 41–42.
Published: 01 February 2018
... and industrial gas turbine components. These two sectors alone represent approximately 60% of the overall thermal spray market. In addition, new coatings and applications in the automotive, medical device, and energy industries have helped to fuel diversification and expansion of the overall market. Even so...
Journal Articles
AM&P Technical Articles (2016) 174 (5): 37–39.
Published: 01 May 2016
... component costs. Examples include development and qualification of a third-generation forgeable -TiAl for low-pressure turbine blades in the Pratt & Whitney PW1000G engine and evaluation of new alloys for superplastically formed nacelle components in next-generation airframes and engines. Fig. 1...
Journal Articles
AM&P Technical Articles (2014) 172 (5): 49.
Published: 01 May 2014
...Shari Fowler-Hutchinson This article describes work to develop a cost-efficient plasma gun capable of high deposition rates. Engineers analyzed both gun components and gas flow dynamics to design a gun that improves plasma stability. Considerable effort was spent on characterizing the use...
Journal Articles
AM&P Technical Articles (2017) 175 (2): 24–27.
Published: 01 February 2017
... wood products used in airplane structures. Various metal alloys were also used for engine components, propellers, and landing gear, leading to research efforts in metallurgy, casting, and materials processing. For example, this early research enabled development of a carburized armor plate to protect...
Journal Articles
AM&P Technical Articles (2013) 171 (1): 18–22.
Published: 01 January 2013
... looked to superalloys to upgrade turbine configurations. Both solid solution-strengthened and agehardened superalloys have been considered. Early programs in Europe opted for solution annealed alloys to enable easier joining of major constituents such as rotor components. With regard to rotors, GE...