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Author：

Cui, Y. (Cui, Y..) | Sun, M. (Sun, M..) | Wang, L. (Wang, L..) | Fan, H. (Fan, H..) | Zhao, J. (Zhao, J..) | Long, H. (Long, H..) | Mao, S. (Mao, S..) | Zhang, Z. (Zhang, Z..) | Han, X. (Han, X..)

Indexed by：

EI Scopus SCIE

Abstract：

This　work　investigates　the　effect　of　Ru　on　the　precipitation　of　the　topologically　close-packed　(TCP)　phase　from　the　γ-γʹ　microstructural　degradation　analysis.　The　addition　of　Ru　is　found　to　delay　the　precipitation　time　of　the　TCP　phase　from　100　h　to　1000　h　after　thermal　exposure　at　950　°C.　The　effect　of　Ru　on　the　γ-γʹ　microstructural　degradation　is　also　investigated.　Adding　Ru　slightly　decreases　the　coarsening　rate　of　the　γʹ　size　and　promotes　the　reduction　of　the　volume　fraction　of　γʹ　phase.　The　reduction　of　the　volume　fraction　of　γʹ　phase　causes　the　“inverse　partitioning”　effect　and　increases　the　solution　limit　of　the　TCP　forming　element　in　the　matrix.　These　help　inhibit　the　precipitation　of　the　TCP　phases　in　Ni-based　single　crystal　superalloys　during　thermal　exposure.　©　2024　The　Authors

Keyword：

Microstructural degradation Ni-base single crystal superalloy Thermal exposure Ru TCP phase

Author Community：

  • [ 1 ] [Cui Y.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Sun M.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Wang L.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Fan H.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 5 ] [Zhao J.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Long H.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 7 ] [Mao S.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 8 ] [Zhang Z.]State Key Laboratory of Silicon Materials, Department of Materials Science and Engineering, Zhejiang University, Hangzhou, 310027, China
  • [ 9 ] [Han X.]Beijing Key Laboratory of Microstructure and Property of Advanced Materials, College of Materials Science and Engineering, Beijing University of Technology, Beijing, 100124, China
  • [ 10 ] [Han X.]Department of Materials Science and Engineering, Southern University of Science and Technology, Guangdong, 518055, China

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Source ：

Journal of Materials Research and Technology

ISSN： 2238-7854

Year： 2024

Volume： 30

Page： 3213-3219

6 . 4 0 0

JCR@2022

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 1

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 2

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