Tytuł artykułu

Numerical Simulation of Directional Solidification Process of Single Crystal Ni- Based Superalloy Casting

Tytuł czasopisma

Archives of Foundry Engineering




vol. 17


No 2

Autorzy publikacji

Słowa kluczowe

Numerical simulation ; Single crystal ; CMSX-4 Ni-based superalloys ; ProCAST ; Casting defects

Wydział PAN

Nauki Techniczne


Archives of Foundry Engineering continues the publishing activity started by Foundry Commission of the Polish Academy of Sciences (PAN) in Katowice in 1978. The initiator of it was the first Chairman Professor Dr Eng. Wacław Sakwa – Corresponding Member of PAN, Honorary Doctor of Czestochowa University of Technology and Silesian University of Technology. This periodical first name was „Solidification of Metals and Alloys” , and made possible to publish the results of works achieved in the field of the Basic Problems Research Cooperation. The subject of publications was related to the title of the periodical and concerned widely understand problems of metals and alloys crystallization in a casting mold. In 1978-2000 the 44 issues have been published. Since 2001 the Foundry Commission has had patronage of the annually published “Archives of Foundry” and since 2007 quarterly published “Archives of Foundry Engineering”. Thematic scope includes scientific issues of foundry industry:

  • Theoretical Aspects of Casting Processes,
  • Innovative Foundry Technologies and Materials,
  • Foundry Processes Computer Aiding,
  • Mechanization, Automation and Robotics in Foundry,
  • Transport Systems in Foundry,
  • Castings Quality Management,
  • Environmental Protection.


The analysis of influence of mould withdrawal rate on the solidification process of CMSX-4 single crystal castings produced by Bridgman

method was presented in this paper. The predicted values of temperature gradient, solidification and cooling rate, were determined at the

longitudinal section of casting blade withdrawn at rate from 1 to 6mm/min using ProCAST software. It was found that the increase of

withdrawal rate of ceramic mould results in the decrease of temperature gradient and the growth of cooling rate, along blade height. Based

on results of solidification parameter G/R (temperature gradient/solidification rate), maximum withdrawal rate of ceramic mould

(3.5 mm/min), which ensures lower susceptibility to formation process of new grain defects in single crystal, was established. It was

proved that these defects can be formed in the bottom part of casting at withdrawal rate of 4 mm/min. The increase of withdrawal rate to 5

and 6 mm/min results in additional growth of susceptibility of defects formation along the whole height of airfoil.


The Katowice Branch of the Polish Academy of Sciences




Artykuły / Articles


ISSN 2299-2944


Głownia (1987), Microsegregation in dendritic single crystals of nickel - rich alloys and Technology, Materials Science, 9, 149, ; Yu (2007), Numerical Simulation of Unidirectional Solidification Process of Turbine Blade Castings, Advanced Materials Research, 15, 26, ; Szeliga (2014), Influence of silicon carbide chills on solidification process and shrinkage porosity of castings made of nickel based superalloys of Cast Metal Research, International Journal, 3, 146, ; Pan (2013), Numerical simulation of directional solidification of single crystal turbine blade casting of Cast Metals Research org, International Journal, 16, 308, ; Szeliga (2016), Directional solidification process of nickel based superalloy castings Thermal analysis org, Vacuum, 24, 131, ; Fraś (1988), Structure and mechanical properties of unidirectionally solidified Fe and alloys, Metallurgical Transactions, 6, 1235, ; Yu (2008), Experimental Study and Numerical Simulation of Directionally Solidified Turbine Blade Casting, Mater Sci Technol, 12, 369. ; Xu (2014), Multiscale Modeling and Simulation of Directional Solidification Process of Turbine Blade Casting with MCA Method and Mater, Metall Trans, 14, 555, ; Gao (2015), Simulation of stray grain formation at the platform during Ni - base single crystal superalloy casting, China Foundry, 18, 403. ; Toloraiya (2002), Advanced method for single crystal casting of turbine blades for gas turbine engines and plants and Heat Treatment, Metal Science, 8, 279, ; Szeliga (2016), Control of liquidus isotherm shape during solidification of Ni - based superalloy of single crystal platforms of Materials Processing Technology, Journal, 5, 232, ; Wilson (2008), Effect of solidification parameters on the microstructures and properties of CMSX and, Materials Science Engineering, 27, 479, ; Miller (2014), Stability of dendrite growth during directional solidification in the presence of a non - axial thermal field, Acta Materialia, 20, 23, ; Fraś (1996), Processing and microstructure of investment casting turbine blade NITAC in - situ composites Thermal and Mechanical Processing of Materials Engineering and Performance, Journal, 2, 103, ; Xu (2012), Progress on modeling and simulation of directional solidification of superalloy turbine blade casting, China Foundry, 13, 69. ; Szeliga (2013), The influence of the radiation baffle on predicted temperature gradient in single crystal CMSX castings of Metalcasting, International Journal, 11, 17, ; Yang (2004), Microscale simulation of stray grain formation in investment cast turbine blades and Engineering org, Materials Science, 17, 386,