In:
Materials, MDPI AG, Vol. 16, No. 16 ( 2023-08-15), p. 5637-
Abstract:
//Nbss and α-Nb5Si3 phases were detected. Meanwhile, Nb2C was observed, and the crystal forms of Nb5Si3 changed in the C-doped composites. Furthermore, micron-sized and nano-sized Nb2C particles were found in the Nbss layer. The orientation relationship of Nb2C phase and the surrounding Nbss was [001]Nbss//[010] Nb2C, (200) Nbss//(101) Nb2C. Additionally, with the addition of C, the compressive strength of the composites, at 1400 °C, and the fracture toughness increased from 310 MPa and 11.9 MPa·m1/2 to 330 MPa and 14.2 MPa·m1/2, respectively; the addition of C mainly resulted in solid solution strengthening.
Type of Medium:
Online Resource
ISSN:
1996-1944
Language:
English
Publisher:
MDPI AG
Publication Date:
2023
detail.hit.zdb_id:
2487261-1
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