Results 111 to 120 of about 24,153,524 (223)

About the choice of Tungsten carbide indenter to determine mechanical properties of superalloys by using high-temperature microhardness tester

open access: yesActa Polytechnica CTU Proceedings
In the aeronautical field, materials are used in severe environmental conditions (temperature, atmosphere), particularly in engine applications. In order to qualify mechanical properties of new composition Ni-based superalloys, ONERA performs Vickers ...
Bruno Passilly, Amélie Kardache
doaj   +1 more source

Research progress in effect of static magnetic field on microstructure of directionally solidified Ni-based superalloy

open access: yesCailiao gongcheng, 2019
The current research progress in the influence of static magnetic field on the microstructures of directionally solidified Ni-based superalloy at home and abroad was reviewed, and the effect of different ways, strength of static magnetic fields on the ...
LIU Cheng-lin   +4 more
doaj   +1 more source

The spray forming of Ni based superalloys

open access: yes, 1995
The main aim has been to investigate the effect of process parameters on the spray forming of UDIMET 720 and in particular to understand the mechanism of grain size evolution in the deposit using a combination of experimental and computer modelling techniques.
Underhill, R, Underhill, R. P.
openaire   +2 more sources

Progress on modeling and simulation of directional solidification of superalloy turbine blade casting [PDF]

open access: yesChina Foundry, 2012
Directional solidified turbine blades of Ni-based superalloy are widely used as key parts of the gas turbine engines. The mechanical properties of the blade are greatly influenced by the final microstructure and the grain orientation determined directly ...
Xu Qingyan, Liu Baicheng, Pan Dong
doaj  

Effect of Ce Addition on the Microstructures and Mechanical Properties of a Ni-Co-Based Superalloy

open access: yes, 2011
Effects of Ce addition on the microstructures and mechanical properties of the Ni-Co-based superalloy were investigated. The results showed that addition of Ce to the alloys resulted in a Ce-rich phase (Ni,Co)3Ce formation.
Guo Ming Han   +2 more
core   +1 more source

Solidification kinetics in the Ni-base superalloy, IN713LC

open access: yes, 2007
Solidification in the Ni-base superalloy, IN713LC has been quantitatively characterised using an enthalpy-based method. Enthalpy and specific heat capacity were extracted from differential thermal analysis (DTA) experiments.
D'Souza, N.   +4 more
core   +1 more source

Evaluation of the Recrystallization Annealing Microstructure of the INCONEL 625 Superalloy Exposed to Cavitation Erosion

open access: yesApplied Sciences
Cavitation erosion is a critical problem for many engineering components, such as ship propellers, diesel engine exhaust valves, cylinder liners, pump impeller blades, hydraulic turbines, and bearings, which are exposed to high-velocity flowing fluids or
Ion Mitelea   +5 more
doaj   +1 more source

Microstructure and strength of composite casting interface between Ti pretreated SiCf/SiC and Ni-based superalloy

open access: yesCailiao gongcheng
The integrated castings fabricated by SiCf/SiC composite and K403 Ni-based superalloy melt exhibited spontaneous fracture when cooled to room temperature.
LIN Guobiao, ZHU Fuhu, ZHAO Siwen
doaj   +1 more source

Investigation on the microstructure and tensile behavior of a Ni-based IN792 superalloy

open access: yesAdvances in Mechanical Engineering, 2018
The Ni-based IN792 superalloy is widely used in aeroengine components because of its low manufacturing cost and good mid-temperature (600°C–900°C) properties.
Beining Du   +5 more
doaj   +1 more source

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