The Effect of Withdrawal Rate on Crystal Structure Perfection, Microstructure and Creep Resistance of Single Crystal Castings Made of CMSX-4 Nickel-Based Superalloy

Kamil Gancarczyk; Maciej Zubko; Aneta Hanc-Kuczkowska; Barbara Kościelniak; Robert Albrecht; Dariusz Szeliga; Maciej Motyka; Waldemar Ziaja; Jan Sieniawski

doi:10.3390/ma12203422

The Effect of Withdrawal Rate on Crystal Structure Perfection, Microstructure and Creep Resistance of Single Crystal Castings Made of CMSX-4 Nickel-Based Superalloy

Materials (Basel). 2019 Oct 19;12(20):3422. doi: 10.3390/ma12203422.

Authors

Kamil Gancarczyk^{1

2}, Maciej Zubko^{3

4}, Aneta Hanc-Kuczkowska⁵, Barbara Kościelniak^{6

7}, Robert Albrecht⁸, Dariusz Szeliga^{9

10}, Maciej Motyka^{11

12}, Waldemar Ziaja^{13

14}, Jan Sieniawski^{15

16}

Affiliations

¹ Department of Materials Science, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 12 Powstancow Warszawy Ave., 35-959 Rzeszow, Poland. kamilgancarczyk@prz.edu.pl.
² Research and Development Laboratory for Aerospace Materials, Rzeszow University of Technology, 4 Zwirki i Wigury Str., 35-036 Rzeszow, Poland. kamilgancarczyk@prz.edu.pl.
³ Institute of Materials Science, University of Silesia, 1a 75 Pulku Piechoty Str., 41-500 Chorzow, Poland. maciej.zubko@us.edu.pl.
⁴ Department of Physics, University of Hradec Kralove, Rokitanshego 62/26 Str., 500-03 Hradec Kralove, Czech Republic. maciej.zubko@us.edu.pl.
⁵ Institute of Materials Science, University of Silesia, 1a 75 Pulku Piechoty Str., 41-500 Chorzow, Poland. aneta.hanc@us.edu.pl.
⁶ Department of Materials Science, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 12 Powstancow Warszawy Ave., 35-959 Rzeszow, Poland. b.koscielnia@prz.edu.pl.
⁷ Research and Development Laboratory for Aerospace Materials, Rzeszow University of Technology, 4 Zwirki i Wigury Str., 35-036 Rzeszow, Poland. b.koscielnia@prz.edu.pl.
⁸ Institute of Materials Science, University of Silesia, 1a 75 Pulku Piechoty Str., 41-500 Chorzow, Poland. robert.albrecht@us.edu.pl.
⁹ Department of Materials Science, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 12 Powstancow Warszawy Ave., 35-959 Rzeszow, Poland. dszeliga@prz.edu.pl.
¹⁰ Research and Development Laboratory for Aerospace Materials, Rzeszow University of Technology, 4 Zwirki i Wigury Str., 35-036 Rzeszow, Poland. dszeliga@prz.edu.pl.
¹¹ Department of Materials Science, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 12 Powstancow Warszawy Ave., 35-959 Rzeszow, Poland. motyka@prz.edu.pl.
¹² Research and Development Laboratory for Aerospace Materials, Rzeszow University of Technology, 4 Zwirki i Wigury Str., 35-036 Rzeszow, Poland. motyka@prz.edu.pl.
¹³ Department of Materials Science, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 12 Powstancow Warszawy Ave., 35-959 Rzeszow, Poland. wziaja@prz.edu.pl.
¹⁴ Research and Development Laboratory for Aerospace Materials, Rzeszow University of Technology, 4 Zwirki i Wigury Str., 35-036 Rzeszow, Poland. wziaja@prz.edu.pl.
¹⁵ Department of Materials Science, The Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 12 Powstancow Warszawy Ave., 35-959 Rzeszow, Poland. jansien@prz.edu.pl.
¹⁶ Research and Development Laboratory for Aerospace Materials, Rzeszow University of Technology, 4 Zwirki i Wigury Str., 35-036 Rzeszow, Poland. jansien@prz.edu.pl.

Abstract

This study focuses on the evaluation of the crystal structure perfection in the single crystal made of CMSX-4 nickel superalloy and its effect on creep resistance. Single crystal castings were manufactured by directional solidification process at the withdrawal rate of 1, 3, 5 and 7 mm/min. Light (LM) and electron (SEM, TEM) microscopy, X-ray diffraction and Mossbauer spectroscopy were used for evaluation of the microstructure and crystal structure perfection. Castings were also subjected to creep tests. The best creep resistance was obtained for the casting manufactured at the withdrawal rate of 3 mm/min, characterized by the highest crystal structure perfection compared to the other castings examined.

Keywords: CMSX-4; creep resistance; crystal structure perfection; nickel-based superalloy; single crystal (SX).

Grants and funding

Preludium-UMO-2016/21/N/ST8/00240./National Science Centre Poland (NCN)