Nickel-based superalloys are used in gas turbines due to their mechanical properties at high
temperatures. Increasing demand for higher efficient engines has led to the development of …

Desulfurization phenomenon of Ni-base superalloy using a solid CaO was identified by
adjusting the temperature of melt. Ni-base superalloy and NiS powder were heated together …

The direct and complete recycling method for Ni-base superalloy is being developed and
studied to reduce the material cost for cost-effective operation of gas turbine systems …

Details of the desulfurization for molten Ni-base superalloys containing Al using solid CaO
have been investigated, and the formula that explains the reaction rate has been developed …

The influence of trace amounts of sulfur (S) on the microstructural evolution, tensile and
creep properties in directionally solidified (DS) Ni-based superalloy GTD-111 were …

Desulfurization ability and hydration resistance of CaO-MgO mixture were studied by
comparing CaO-MgO, CaO and MgO rods. In desulfurization experiment, Ni-base superalloy …

In determining the specifications for the production or recycling process of Ni-base single
crystal superalloys, it is important to clarify the allowable trace impurity concentration. In this …

The effects of sulfur on the microstructures and solidification characteristics of a second-
generation single crystal superalloy were clarified through optical microscope (OM) …

Al coating was fabricated by chemical vapor deposition on the nickel-based single crystal
superalloy. The high-temperature oxidation behavior at 900℃ and 1000℃ for 200 h were …

The impurity sulfur embrittlement of Ni-based single superalloys (Ni-SXs) has long been
wrapped in mystery. In this work, we report for the first time the sulfur-induced precipitation of …