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3D primary grain shapes resulting from semi-solid metal processing

Author: Curle, Ulyate A Date: Jul 2017 The issue regarding globular grain shape and size has been a topic for semi-solid processing since the discovery of the technique. Semi-solid rheo-processing takes advantage of cooling a liquid metal alloy to the solid + liquid phase field, ... Read more
Grain size, stress and creep in polycrystalline solids

Author: Nabarro, FRN Date: Aug 2000 If a stress sigma is applied to a polycrystal of grain size L, the mode of creep deformation depends on the answers to the following questions: (i) Does sigma exceed the Peierls stress sigma (p); (ii) Does L exceed the dislocation spacing in ... Read more
New results on the relationship between hardness and fracture toughness of WC-Co hardmetal

Author: O'Quigley, DGF ; Luyckx, S ; James, MN Date: May 1996 Two sets of WC-Co grades were produced, with cobalt content ranging from 3 to 50 wt.%. The mean grain size of the two sets was 2.2 and 6 mu m respectively. The two sets of grades were used to investigate the relationship between hardness and ... Read more
Semi-empirical relationship between the hardness, grain size and mean free path of WC-Co

Author: Makhele-Lekala, L ; Luyckx, S ; Nabarro, FRN Date: 2001 The Vickers hardness of several well-characterized grades of WC-Co (23 in total) was measured. The mean grain size of these samples ranged from 0.6 to 5.0 mums and the cobalt content from 6 to 50 wt%. An empirical formula between hardness of ... Read more

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Browsing by Subject "Grain size"

Browsing by Subject "Grain size"

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