Oxide-fibre/nickel-based matrix composites—part I: fabrication and microstructure
Source abstract
Abstract
Abstract The only monocrystalline oxide fibre that has been used in numerous published works on oxide-fibre/Ni-based-matrix composites is sapphire fibre. That work was aimed at obtaining small numbers of samples to study microstructure and the strength of the fibre/matrix interfaces. The present work aims at (i) the fabrication of a series of composite specimens for the first stage of a systematic mechanical testing of heat-resistant composites, and (ii) a study of the macro- and microstructure of composites with various oxide fibres and nickel-based matrices. Hundreds of specimens of oxide-fibre/Ni-based-matrix composites were obtained. Three types of fibre, sapphire, monocrystalline yttrium–aluminium garnet and alumina–garnet eutectic, and two matrices, a Ni3Al-based γ′/γ alloy and a modern nickel γ/γ’ superalloy, are used in all six combinations. The fibres are produced by the internal crystallisation method, such fibres being sufficiently inexpensive to be used to reinforce nickel-based alloys manufacturing composites by the pressure-infiltration route. It is shown that a sufficiently homogeneous fibre distribution in a cross-section of the composite sample can be achieved. The microstructure of the fibre/matrix interface, studied by means of optical and scanning/transmission electron microscopy is found to be extremely sensitive to a combination of the fibre and matrix materials.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · High-Temperature Coating Behaviors · High Temperature Alloys and Creep
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (22)
Show source-provided references
1. McDanels D, Signorelli RA, Weeton JW. Fiber strengthened metallic composites, NASA Report No TND-4173, 1967.
2. The elevated temperature properties of a nickel alloy reinforced with tungsten wires
3. Predicted inlet gas temperatures for tungsten fiber reinforced, superalloy turbine blades
4. No hope for ceramic whiskers or fibres as reinforcement of metal matrix at high temperatures10.1007/BF00761953 ↗
5. Interfacial shear strength of cast and directionally solidified NiA1-sapphire fibre composites10.1007/BF02666345 ↗
6. Strength degradation of sapphire fibers during pressure casting of a sapphire-reinforced Ni-base superalloy10.1007/s11661-998-0370-0 ↗
7. Mileiko ST, Salibekov SE, Petrushin NV, Kolchin AA, Korzhov VP, Kiiko VM, et al. ICM-oxide-fibre/Ni3Al-based matrix composites: fabrication, microstructure and some mechanical properties. CD-ROM version of Proceedings of Intern. Conf. on Compos. Materials, ICCM-12, Paris, July, 1999.
8. Asthana R, Tewari SN. Interface response to solidification in sapphire-reinforced Ni-base composites. Adv Compos Mater [in press].10.1163/15685510052000039 ↗
9. Mileiko ST, Kiiko VM, Kolchin AA, Korzhov VP, Prokopenko VM. Oxide-fibre/Ni-based matrix composites—part II: mechanical behaviour, Comp Sci Technol 2002;62(2):181–93.10.1016/S0266-3538(01)00161-0 ↗
10. Mileiko ST. Oxide-fibre/Ni-based matrix composites—part III: a creep model and analysis of experimental data. Comp Sci Technol 2001;62(2):195–204.10.1016/S0266-3538(01)00162-2 ↗
11. Crystallization of fibres inside a matrix: a new way of fabrication of composites10.1007/BF01117932 ↗
12. Mileiko · 1997
13. Novel oxide fibres to reinforce metal, intermetallic and ceramic matrices
14. Mileiko ST. Oxide fibres produced by internal crystallization method and their usage in composite technology. CD-ROM version of Proceedings of Intern conf on Compos Materials. ICCM-12, Paris, July 1999.
15. Sapphire fibres grown by a modified internal crystallization method10.1016/S0022-0248(99)00213-4 ↗
16. Mileiko ST, Kurlov VN, Kolchin AA, Kiiko VM. Fabrication, properties and possible usage of single-crystalline YAG fibers. J European Ceram Soc. [in press].
17. Structure and mechanical properties of oxide fibre reinforced metal matrix composites produced by the internal crystallization method10.1016/0266-3538(92)90081-D ↗
18. Microstructure and properties of Al2O3–Al5Y3O12 fibre produced via internal crystallization route10.1016/S0266-3538(99)00032-9 ↗
19. Fabrication and some properties of single crystalline mullite fibers10.1016/S1359-6462(00)00568-6 ↗
20. Sutton WH, Feingold E. Role of interfacially active metals in the apparent adherence of nickel to sapphire. In: Materials science research, vol. 3. Plenum Press, 1966.10.1007/978-1-4899-6311-6_31 ↗
21. Evaluation of room temperature strength of oxide fibres produced by the internal crystallization method10.1016/S0266-3538(99)00054-8 ↗
22. Serebryakov AV, Mileiko ST, Starostin M.Yu, Sarkissyan NS, Prokopenko VM. Microstructure and properties of the fibre/matrix interface in oxide-fibre/Ni-based-matrix composites. J Mater Sci to be submitted.