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In addition to 30 pages of news from the metal and ceramic injection moulding industry, the 72 page September 2010 issue of Powder Injection Moulding International (Vol.4 No.3) includes the following articles and special features:
Metal Injection Moulding in Italy
To coincide with Italy’s hosting of the 2010 Powder Metallurgy World Congress and Exhibition in Florence, October 10-14, PIM International included a review of the current status of metal injection moulding in Italy. In addition to the overview, reports on the MIM activities of three representative Italian part producers: Mimest, MIMITALIA and Metrocast Italiana were also included.
All eyes on Non-Automotive: GKN Sinter Metals explores the wider opportunities for MIM
The term ‘non-automotive’ remains a closed book for many of the world’s larger MIM producers, particularly those located in Europe where the automotive industry was quick to embrace MIM technology.
GKN Sinter Metals is one such producer that is now re-evaluating the potential of the non-automotive market. In the following report, the company presents an insight into the opportunities ahead and explains, based on its own experiences, what it believes is important when dealing with non-automotive customers.
Back to basics: from the injection moulding machine to the debinding oven
Raw materials undergo several transformations during the metal injection moulding process, from powder through to feedstock, the production of the green compact, debinding and finally sintering. In this latest part of our back-to-basics series, Dr Georg Schlieper focuses on green compacts and the methods used to characterise their properties, as well as green part processing and handling.
Higher efficiency MIM furnaces through new materials and design solutions
The metal injection moulding process can be extremely demanding on sintering furnaces and related fixtures and supports. High temperatures, combined with the presence of binder systems, can lead to a rapid deterioration in furnace performance and efficiency.
Dr. Bernd Kleinpass, from PLANSEE Metall GmbH in Austria, explores some of the main problems and the solutions that are now available.
Titanium parts by powder injection moulding of TiH2-based feedstocks
E. Carreño-Morelli, W. Krstev, B. Romeira, M. Rodriguez-Arbaizar, H. Girard, J.‑E. Bidaux, S. Zachmann
Titanium parts have been processed from feedstocks composed of titanium hydride powders, low density polyethylene, paraffin wax and stearic acid. A two-step debinding process has been used, which consists of solvent debinding in heptane at 50°C followed by thermal debinding at 500°C.
Properties of SiC and AlN feedstocks for the powder injection moulding of thermal management devices
V. P. Onbattuvelli, S. Vallury, T. McCabe, S. J. Park, S. V. Atre
Aluminium nitride (AlN) and silicon carbide (SiC) were chosen for the fabrication of thermal management devices due to their high thermal conductivity and coefficient of thermal expansion values equivalent to that of silicon and silicon carbide dies. Additionally, powder injection moulding (PIM) was selected for net-shaping.
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