LAME, O.; BOURDINEAUD-BORDÈRE, Sylvie; DENUX, Dominique; BOUVARD, Didier

doi:10.1016/S0921-5093(03)00594-X

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LAME, O.
Génie physique et mécanique des matériaux [GPM2]

BOURDINEAUD-BORDÈRE, Sylvie
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

DENUX, Dominique
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Materials Science and Engineering: A. 2003, vol. 363, n° 1-2, p. 126-133

Elsevier

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In order to evaluate the progress of sintering in powder steel compacts, two experiments were performed. First, the electrical resistivity of a die pressed compact was continuously measured during a sintering cycle up to 1130 °C inside an adapted dilatometer. The main changes occur at intermediate temperatures, since the resistivity falls by a factor of about 100 between room temperature and 800 °C and is almost constant afterwards. In the second set of experiments, partially sintered specimens are submitted to a tensile test until failure and their fracture surfaces are analysed in terms of welded area fraction of interparticle contacts...< Leer menos

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Sintering progress

Distaloy

Electrical resistivity

Tensile tests

Interparticle welding

Mechanical resistance

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Following the progress of sintering in steel powder compacts through original experiments

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