Hostname: page-component-76fb5796d-2lccl Total loading time: 0 Render date: 2024-04-27T00:57:42.312Z Has data issue: false hasContentIssue false

Creep rupture induced silica-based nanofibers formed on fracture surfaces of Ti3SiC2

Published online by Cambridge University Press:  03 March 2011

Z.M. Sun*
Affiliation:
Department of Materials Science and Engineering, Drexel University,Philadelphia, Pennsylvania 19104; and National Institute of Advanced Industrial Science and Technology (AIST), Nagoya 463-8560, Japan
T.J. Zhen
Affiliation:
Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104
M.W. Barsoum
Affiliation:
Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104
*
a)Address all correspondence to this author. e-mail: z.m.sun@aist.go.jp; barsoumw@drexel.edu
Get access

Abstract

After creep failure at 1300 °C, silica-based nanofibers with diameters of ∼250 nm and lengths of up to a few tens of microns were observed on the fracture surfaces of Ti3SiC2. A possible mechanism for the formation of these fibers is proposed.

Type
Rapid Communications
Copyright
Copyright © Materials Research Society 2005

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1Jeitschko, W. and Nowotny, H.: The crystal structure of Ti3SiC2—A new complex carbide. Monatsh. Chem 98, 329 (1967).Google Scholar
2Barsoum, M.W.: The MN+1AXN phases: A new class of solids: Thermodynamically stable nanolaminates. Prog. Solid State Chem. 28, 201 (2000).CrossRefGoogle Scholar
3Sun, Z.M., Hashimoto, H., Zhang, Z.F., Yang, S.L. and Abe, T. Synthesis of a metallic ceramic-Ti3SiC2 by PDS process and its properties, in Solid-State Chemistry of Inorganic Materials IV, edited by M.A. Alario-Franco, M. Greenblatt, G. Rohrer, and M.S. Whittingham (Mater. Res. Soc. Symp. Proc. 755, Warrendale, PA, 2002), p. 179.Google Scholar
4Sun, Z.M., Zhang, Z.F., Hashimoto, H. and Abe, T.: Ternary compound Ti3SiC2. I. Pulse discharge sintering synthesis. Mater. Trans. 43, 428 (2002).CrossRefGoogle Scholar
5Goto, T. and Hirai, T.: Chemically vapor deposited Ti3SiC2. Mater. Res. Bull. 22, 1195 (1987).CrossRefGoogle Scholar
6Li, J-F., Pan, W., Sato, F. and Watanabe, R.: Mechanical properties of polycrystalline Ti3SiC2 at ambient and elevated temperatures. Acta Mater. 49, 937 (2001).CrossRefGoogle Scholar
7Barsoum, M.W., El-Raghy, T. and Ogbuji, L.: Oxidation of Ti3SiC2 in air. J. Electrochem. Soc. 144, 2508 (1997).Google Scholar
8Barsoum, M.W., Ho-Duc, L.H.,  Radovic, M. and  El-Raghy, T.: Long time oxidation study of Ti3SiC2, Ti3SiC2/SiC and Ti3SiC2/TiC composites in air. J. Electrochem. Soc. 150 B166 (2003).Google Scholar
9Radovic, M., Barsoum, M.W., El-Raghy, T. and Wiederhorn, S.M.: Tensile creep of coarse-grained Ti SiC in the 1000–1200 °C temperature range. J. Alloys Compd. 361, 299 (2003).Google Scholar
10Zhen, T., Barsoum, M.W. and Kalidindi, S.R.: Compressive creep of Ti3SiC2 in the 1100 to 1300 °C temperature range in air. Acta Mater. (in press).Google Scholar
11Yang, S.L., Sun, Z.M. and Hashimoto, H.: Oxidation of Ti3SiC2 at 1000C in air. Oxid. Met. 59, 155 (2003).CrossRefGoogle Scholar
12Barsoum, M.W., El-Raghy, T., Farber, L., Amer, M., Christini, R. and  Adams, A.: The topotaxial transformation of Ti3SiC2 to form a partially ordered cubic TiC0.67 phase by the diffusion of Si into molten cryolite. J. Electrochem. Soc. 146, 3919 (1999).Google Scholar