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Project ID: G1RD-CT-2002-00687
Financiado con arreglo a: FP5-GROWTH
País: United Kingdom

Methods to determine the mechanical properties of green compacts

This result is a series of technical papers that have publicly disseminated in scientific journals. The common theme of the papers is new approaches to accurately determining the green properties of powder compacts. This development has been recognised as being essential if advanced manufacturing techniques, such as green machining, are to be exploited successfully. The papers discuss how the green strength of powders designed for such applications, was measured using several different test methods.

Fracture statistics were correlated with compact density and test method employed, and the Weibull modulus calculated for each case. It was found that Weibull analysis accurately predicted the green strength dependence on the test configuration utilised and therefore can be used as a predictive technique. A new method for the production of samples for measuring the fracture toughness of green compacts has also been developed.PublicationsC.C. Degnan, A.R. Kennedy and P.H. Shipway, Powder Metall., 46, 4, 2003, 365 - 370C.C. Degnan, A.R. Kennedy and P.H. Shipway, Mater. Sci. Tech., 20, 2004, 731 -738C. Degnan, A.R. Kennedy and P.H. Shipway, J. Mater. Sci, 39, 2004, 2605-2607C.C. Degnan, A.R. Kennedy and P.H. Shipway, J. Mater. Sci., 40, 15, pp. 4117-4119, 2005.

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University of Nottingham
Coates Building, University Park
UK-NG7 2RD Nottingham
United Kingdom
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