Tiwary, CS and Kashyap, S and Chattopadhyay, K (2013) Effect of indium addition on microstructural, mechanical and oxidation properties of suction cast Nb-Si eutectic alloy. In: Materials Science and Technology, 29 (6). pp. 702-709.
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The paper reports effect of small ternary addition of In on the microstructure, mechanical property and oxidation behaviour of a near eutectic suction cast Nb-19.1 at-%Si-1.5 at-%In alloy. The observed microstructure consists of a combination of two kinds of lamellar structure. They are metal-intermetallic combinations of Nb-ss-beta-Nb5Si3 and Nb-ss-alpha-Nb5Si3 respectively having 40-60 nm lamellar spacings. The alloy gives compressive strength of 3 GPa and engineering strain of similar to 3% at room temperature. The composite structure also exhibits a large improvement in oxidation resistance at high temperature (1000 degrees C).
| Item Type: | Journal Article |
|---|---|
| Publication: | Materials Science and Technology |
| Publisher: | Maney Publishing |
| Additional Information: | Copyright of this article belongs to Maney Publishing. |
| Keywords: | Intermetallics; Phase Transformation; Brittleness; Ductility; Casting; Microscopy |
| Department/Centre: | Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy) |
| Date Deposited: | 21 Jun 2013 05:04 |
| Last Modified: | 21 Jun 2013 05:04 |
| URI: | http://eprints.iisc.ac.in/id/eprint/46717 |
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