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ToolsHadfield, M., Wang, W. and Wereszczak, A.A., 2010. Mechanical properties of silicon nitride using RUS & C-Sphere methodology. In: CIMTEC 2010: 12th International Ceramics Congress, 6-11 June 2010, Montecatini Terme, Tuscany, Italy. (Unpublished)
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Abstract
Silicon Nitride is a type of engineering ceramics which has been used in ball bearing and other rolling contact applications due to its good fatigue life, high temperature strength and tribological performance. In this paper, the mechanical properties of Hot Isostatically Pressed (HIPed) and Sintered and Reaction Bonded Silion Nitride (SRBSN) have been studied. The elastic modulus and poisson’s ratio of three type of commerical grade HIPed silicon nitride, and groudn SRBSN with three surface condidtions were measured using a Resonance Ultrasound Spectroscopy (RUS). The RUS measurement reveals the variation of elastic properties across different types of HIPed silicon nitride specimens. The surface strength of silicon nitride are studied using a C-Sphere specimen, and the results show that different commercial grade HIPed silicon nitride show varying surface strength. The surface conditions of ground SRBSN have an effect on the surface strength of the specimens. The RUS and C-Sphere techniques can potentially be used to sample the quality and consistency of ball bearing elements.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | Progressor Hadfiled is Programme Chair for Symosium CC 12th International Ceramics Congress, Italy |
| Uncontrolled Keywords: | RUS, C-Sphere, Surface Strength, Elastic Property, Silicon Nitride |
| Group: | Faculty of Science & Technology |
| ID Code: | 14122 |
| Deposited By: | Professor Mark Hadfield |
| Deposited On: | 30 Apr 2010 07:04 |
| Last Modified: | 14 Mar 2022 13:30 |
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Mechanical properties of silicon nitride using RUS & C-Sphere methodology. (deposited 15 Oct 2009 11:45)
- Mechanical properties of silicon nitride using RUS & C-Sphere methodology. (deposited 30 Apr 2010 07:04) [Currently Displayed]
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