-
Article
Mechanism of high-temperature oxidation effects in fatigue crack propagation and fracture mode for FGH97 superalloy
The high-temperature fatigue crack growth behaviors in powder metallurgy (P/M) Ni-based superalloy FGH97 for turbine disk application were investigated at different temperatures (650, 700 and 800 °C) in air us...
-
Article
Microstructure and homogenization process of as-cast GH4169D alloy for novel turbine disk
To investigate the microstructure, segregation, and suitable homogenization process of as-cast GH4169D alloy, the microstructure, elements segregation, and precipitates of cast GH4169D ingots prepared by vacuu...
-
Article
Hot corrosion behavior and mechanism of FGH96 P/M superalloy in molten NaCl–Na2SO4 salts
Hot corrosion behavior of FGH96 powder metallurgy (P/M) superalloy in 25 % NaCl + 75 % Na2SO4 molten salts at 650, 700, and 750 °C was investigated in this paper. The methods of mass loss measurement, X-ray diffr...
-
Article
Constitutive behavior and processing maps of low-expansion GH909 superalloy
The hot deformation behavior of GH909 superalloy was studied systematically using isothermal hot compression tests in a temperature range of 960 to 1040°C and at strain rates from 0.02 to 10 s−1 with a height red...
-
Article
Hot deformation behavior of uniform fine-grained GH4720Li alloy based on its processing map
The hot deformation behavior of uniform fine-grained GH4720Li alloy was studied in the temperature range from 1040 to 1130°C and the strain-rate range from 0.005 to 0.5 s−1 using hot compression testing. Processi...
