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Superplastic behavior of a nickel-base superalloy containing topologically close-packed phases
| Content Provider | Scilit |
|---|---|
| Author | Mukhtarov, S. K. Ganeev, A. A. Shakhov, R. V. Imayev, V. M. Logunov, A. V. |
| Copyright Year | 2020 |
| Description | Journal: Iop Conference Series: Materials Science and Engineering Superplastic behaviour of a polycrystalline nickel-base superalloy Ni-47(Cr,Co,W,Al,Ta,Hf)-0.2(C,B) (wt.%) in the fine-grained condition obtained via thermomechanical treatment (TMT) has been studied. TMT transformed a coarse-grained as-cast structure into a homogeneous fine-grained one. Both the initial as-cast and the thermomechanically treated conditions contained not only the matrix γ phase, the hardening γ’ phase and carbides but also topologically close-packed (TCP) phases. In spite of the presence of the TCP phases, the superalloy in the fine-grained condition demonstrated superplastic properties (δ>300% and low flow stresses) at subsolvus temperatures. Superplastic deformation led to some refinement and alignment of the TCP phase particles along the tensile axis. |
| Related Links | https://iopscience.iop.org/article/10.1088/1757-899X/1008/1/012062/pdf |
| ISSN | 17578981 |
| e-ISSN | 1757899X |
| DOI | 10.1088/1757-899x/1008/1/012062 |
| Journal | Iop Conference Series: Materials Science and Engineering |
| Issue Number | 1 |
| Volume Number | 1008 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2020-12-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Iop Conference Series: Materials Science and Engineering Metallurgy and Metallurgical Engineering |
| Content Type | Text |
| Resource Type | Article |
