Karthiselva, N. S. ; Murty, B. S. ; Bakshi, Srinivasa R. (2016) Low temperature synthesis of dense and ultrafine grained zirconium diboride compacts by reactive spark plasma sintering Scripta Materialia, 110 . pp. 78-81. ISSN 1359-6462
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.scriptamat.2015.08.005
Abstract
Dense (>98%) submicron sized monolithic zirconium diboride (ZrB2) was fabricated by Reactive Spark Plasma Sintering (RSPS) of 8 h ball milled Zr and B elemental mixtures at 1200°C. During RSPS, ZrB2 formed in-situ and the densification takes place by a two-step process. Plastic flow of ZrB2 resulting from application of higher pressure enhanced densification significantly. Improvement in nanohardness, elastic modulus and indentation fracture toughness were observed with increased sintering pressure.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Borides; Spark Plasma Sintering; Mechanical Milling; Mercury Intrusion Porosimetry; Nanoindentation |
| ID Code: | 110969 |
| Deposited On: | 06 Dec 2017 11:10 |
| Last Modified: | 06 Dec 2017 11:10 |
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