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Setting standards that will underpin the science of PM.

Roebuck, B (2007) Setting standards that will underpin the science of PM. Met. Powd. Rep., 62 (6). pp. 22-27.

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Recent developments in test methods for characterizing Hardmetals are discussed. In particular, developments are reviewed that have provided insight into thermomechanical behaviour and underpinning science to support new ISO standards in preparation on toughness tests, abrasion wear methods and microstructural characterisation techniques. Measurements of fracture toughness to evaluate reproducibility and repeatability of tests have shown good progress recently and techniques such as micro scratch testing have contributed to an improved understanding of wear mechanisms that operate in these materials. New microstructural techniques, such as EBSD, for characterizing Hardmetal microstructures promise significant advances in potential for improved accuracy and added value, for example in measurements of shape and spatial distribution. In addition, fatigue tests are also discussed as new techniques are improving our knowledge of performance limiting factors in grade specifications.

Item Type: Article
Keywords: Hardmetal properties, Microstructural metrology, Miniature thermomechanical testing
Subjects: Advanced Materials
Advanced Materials > Metals and Alloys
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4286

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