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author：

Cui, X. (Cui, X..) [1] | Ding, H. (Ding, H..) [2] | Zhang, Y. (Zhang, Y..) [3] | Yao, Y. (Yao, Y..) [4] | Fan, G. (Fan, G..) [5] | Huang, L. (Huang, L..) [6] | Geng, L. (Geng, L..) [7] | Zheng, Z. (Zheng, Z..) [8] | Chen, J. (Chen, J..) [9]

Indexed by：

Scopus

Abstract：

A　feasible　manufacturing　&　forming　integration　technology　for　production　of　TiB-TiAl　composite　sheets　was　successfully　explored　by　employing　reaction　annealing　of　sandwich-structured　(TiB/Ti)–Al　laminates.　Phase　transformation,　microstructure　evolution　of　(TiB/Ti)–Al　laminates　during　different　reaction　annealing　processes　were　systematically　investigated　by　means　of　optical　microscope,　scanning　electron　microscopy,　transmission　electron　microscope　and　X-ray　diffraction.　The　results　showed　that　the　resulting　TiB-TiAl　composites　displayed　a　unique　micro-laminated　structure,　composing　of　alternating　fully　lamellar　(α2-Ti3Al/γ-TiAl)　layers,　equiaxed　γ-TiAl　layers　and　TiB-rich　layers.　Actually,　TiB　whiskers　exhibited　a　layered　distribution　in　fully　lamellar　α2/γ　layers,　which　was　in　favor　of　α2/γ　lamellae　refinement.　Moreover,　formation　mechanism　of　the　micro-laminated　structure　was　illustrated.　It　is　noteworthy　that　the　micro-laminated　TiB-TiAl　composites　showed　a　significant　increase　in　ductility　while　maintaining　or　even　improving　high-temperature　tensile　strength,　in　comparison　with　monolithic　TiAl.　In　addition,　fracture　behavior　of　the　novel　TiB-TiAl　composites　was　characterized　by　three-dimensional　X-ray　microscope　(3D-XRM)　and　finally　strengthening-toughening　mechanism　were　clarified.　©　2018　Elsevier　B.V.

Keyword：

Micro-laminated structure; Reaction annealing; Strengthening-toughening; Titanium aluminide matrix composites

Community：

  • [ 1 ] [Cui, X.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 2 ] [Cui, X.]Center of Analysis and Measurement, Harbin Institute of Technology, Harbin, 150001, China
  • [ 3 ] [Ding, H.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 4 ] [Zhang, Y.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 5 ] [Yao, Y.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 6 ] [Fan, G.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 7 ] [Fan, G.]Center of Analysis and Measurement, Harbin Institute of Technology, Harbin, 150001, China
  • [ 8 ] [Huang, L.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 9 ] [Geng, L.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 10 ] [Zheng, Z.]School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China
  • [ 11 ] [Chen, J.]School of Materials Science and Engineering, Fuzhou University, Fuzhou, 350116, China

Reprint 's Address：

  • [Cui, X.]School of Materials Science and Engineering, Harbin Institute of TechnologyChina

Email：


cuixiping@hit.edu.cn
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Source ：

Journal of Alloys and Compounds

ISSN： 0925-8388

Year： 2019

Volume： 775

Page： 1057-1067

4 . 6 5

JCR@2019

5 . 8 0 0

JCR@2023

ESI HC Threshold：236

JCR Journal Grade：2

CAS Journal Grade：2

Cited Count：

WoS CC Cited Count：

SCOPUS Cited Count：

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 0

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