Directional solidification of Ni|based superalloy castings

Directional solidification of Ni-based superalloy castings: Thermal ...

The method of directional solidification of nickel superalloy castings is widely applied to manufacture the aircraft engine hot section components and ...

(PDF) Directional solidification of Ni-based superalloy castings

Grains grew in the direction of the rod axis and that of casting surface for the concave and convex isotherm shape, respectively. The flat shape of liquidus ...

Study of Solidification Process of Ni-Based Superalloy Castings ...

The solidification process of IN713C Ni-based superalloy rod castings made by the investment casting method without and with the use of novel insulating module

Directional solidification of Ni-based superalloy castings

The method of temperature measurement in directionally solidified (DS) Ni-based CMSX-4 superalloy castings manufactured using withdrawal ...

Modeling and Simulation of Directional Solidification of Ni-Based ...

Modeling and Simulation of Directional Solidification of Ni-Based Superalloy Turbine Blades Casting by Liquid Metal Cooling · Abstract · Chapter PDF · Keywords.

Hot Tearing in Directionally Solidified Ni-Based Superalloys

Cracking of superalloys during cooling from the casting temperature in directional solidification (DS) is a well-known problem in the casting industry. The ...

Microstructural Investigations of Ni-Based Superalloys by Directional ...

The microstructure evolution and solidification sequence for several Ni-based superalloys has been investigated by directional solidification experiments ...

Multiscale Modeling and Simulation of Directional Solidification ...

Ni-based superalloy turbine blades have become indispensable structural parts in modern gas engines. An understanding of the solidification behavior and ...

Improvement in creep life of a nickel-based single-crystal superalloy ...

The magnetic-field-assisted directional solidification increases the homogeneous extent of solute distribution across multiple scales and ...

Nickel base superalloy and single crystal castings - Google Patents

During directional solidification, the superalloy melt is subjected to unidirectional heat removal in the mold cavities to produce a columnar grain structure or ...

Optimizing a Solution Heat Treatment by Increasing the Cooling ...

After the directional solidification of Ni-based SC superalloys, SHT was a vital step in adjusting the γ/γ′ microstructure and minimizing ...

Modelling freckles and spurious grain formation in directionally ...

A three-phase mixed columnar-equiaxed solidification model was used to track the motion of the crystal fragments. Directional solidification ...

Numerical Simulation of Directional Solidification Process of Single ...

Title. Numerical Simulation of Directional Solidification Process of Single Crystal Ni- Based Superalloy Casting. Journal title. Archives of Foundry Engineering ...

Numerical Simulation and Experimental Casting of Nickel-Based ...

Mathematical models for dynamic heat radiation and convection boundary in directional solidification processes are established to simulate ...

Competitive Grain Growth in Directional Solidification of a Nickel ...

eliminate the stray grain defects in seeded single crystal casting. Introduction. Turbine blades are routinely cast from nickel-base superalloys. To improve ...

Multiscale Modeling and Simulation of Directional Solidification ...

Multiscale Modeling and Simulation of Directional Solidification Process of Ni-Based Superalloy Turbine Blade Casting · Qingyan Xu, Cong Yang, +3 authors

Processing of directionally cast nickel-base superalloys - Typeset.io

Abstract. 1) Introduction. 2) Directional solidification and related defects. 2.1) Generalities on the casting processes.

Grain structure development in directional solidification of nickel ...

In our directional solidification experiment of superalloys freckles are observed in some thin samples, while some significantly thicker samples in the same ...

Numerical Simulation of Solidification Process on Single Crystal Ni ...

Abstract: Bridgman directional solidification of investment castings is a key technology for the production of reliable and highly efficient gas turbine blades.

Directional solidification - Wikipedia

Directional solidification (DS) and progressive solidification are types of solidification within castings. Directional solidification is solidification ...