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Article
Effect of Electromagnetic Oscillation on Grain Structure of K477 Superalloy Turbine Guide Castings
The electromagnetic oscillation treatment was introduced to enhance the fine-grain quality of the Cr–Co–Mo K477 superalloy turbine guide castings, and the effect of electromagnetic oscillation on the microstru...
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Article
Mechanical properties and thermal deformation behavior of low-cost titanium matrix composites prepared by a structure-optimized Y2O3 crucible
A porous yttrium oxide crucible with both thermal shock resistance and erosion resistance was developed by structural optimization. The structure-optimized yttrium oxide crucible was proved to be suitable for ...
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Article
Solidification microstructure of Ti-43Al alloy by twin-roll strip casting
As a near-net-shape technology, the twin-roll strip casting (TRC) process can be considered to apply to the fabrication of TiAl alloy sheets. However, the control of the grain distribution is very important in...
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Article
Optimization of investment casting process for K477 superalloy aero-engine turbine nozzle by simulation and experiment
In order to reduce the shrinkage porosity of nickel-based superalloy castings in the investment casting process, the effects of different gating systems on mold filling, solidification process, and prediction ...
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Article
Effect of competitive crystal growth on microstructural characteristics of directionally solidified nickel-based single crystal superalloy
Directionally solidified single crystal superalloy test bars were prepared by the spiral grain selection method. The microstructural evolution and orientation characteristics of the starter block and spiral pa...
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Article
Hot Deformation Behavior and Microstructural Characteristics of Ti–46Al–8Nb Alloy
Hot deformation behavior, microstructural evolution and flow softening mechanism were investigated in Ti–46Al–8Nb alloy via isothermal compression approach. The true stress–strain curves exhibited typical work...
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Article
Experimental study of cooling speed for ultra-thick steel plate during the jet im**ing and quenching process
The quenching temperature drop curve for Q345B steel plate with 84 mm and 170 mm thickness was tested to analyze the distributing regularities and influencing factors of cooling speed for ultra-thick steel pla...
