Sintering Process of Metallic Materials

Dear Colleagues,

Sintering of metallic powders is of significant interest for the P/M community. The process itself has been practised for thousands of years. Its commercial use, however, began to flourish at the beginning of the 20th century as a consequence of increasing interest in new materials that were not possible to obtain using any other technique. Examples include tungsten lamp filaments and heavy alloys, metallic filters, cemented carbides, self-lubricating bearings, copper–graphite electrical contacts, diamond-impregnated tools, etc. Today, sintering is employed in a diverse range of products. The reason for using P/M technology is that it can be cost competitive and may offer the possibility of fabricating materials with unusual microstructures, nonequilibrium phases and unique properties.

To date, the sintering process has received a significant amount of theoretical and practical research attention. Early quantitative models were developed in the late 1940s. Since then, the theoretical framework has been continuously refined to reflect the complexity of the actual sintering practice. Many challenges, however, still remain. Therefore, submissions on both practical aspects and theoretical topics related to pressure-less and pressure-assisted consolidation, laser and electron beam melting, sintering furnaces and atmospheres, digital modelling, and new sintered materials are invited to this Issue.

Prof. Dr. Janusz Stefan Konstanty
Guest Editor

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