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In this issue
In addition to 15+ pages of news from the metal and ceramic injection moulding industry, the 64 page March 2009 issue of Powder Injection Moulding International (Vol.3 No.1) includes the following articles and special features:
The PIM International ‘market conditions’ survey results
In January 2009 PIM International invited PIM part producers worldwide to take part in a “state of the industry” survey. We take a closer look at the results, both globally and by region.
Back to basics: sintering furnaces and technology
Sintering is the binding together of metal or alloy powder particles when heated to high temperatures. As will become clear in this latest feature article in our ‘back-to-basics’ series by Dr. Georg Schlieper, it is also the most complicated aspect of MIM, requiring a detailed understanding of sintering practice and the furnaces used.
Germany’s MIM Master: the development of continuous sintering furnaces at Cremer
Cremer Thermoprozessanlagen GmbH, Düren, Germany is a leading furnace supplier to the PM industry and market leader in continuous debinding and sintering furnaces for MIM. We report on a recent visit to the manufacturing plant and speak with Ingo Cremer, General Manager, about the company’s history, technology and future outlook.
Sandvik Osprey: a leader in the production of gas atomised powders for metal injection moulding
Sandvik Osprey’s powders are well known in the metal injection moulding (MIM) industry and the fine spherical powders that are produced by the company’s proprietary gas atomisation technology have made a significant contribution to MIM’s penetration of new markets.
Nick Williams, Editor of Powder Injection Moulding International, reports on a recent visit to the company’s powder production facility in Neath, South Wales.
Injection moulding opens up opportunities for high performance NdFeB magnets
The market for NdFeB permanent magnets has grown rapidly over the last fifteen years thanks to the continuing expansion of the 3C market. We look at how powder injection moulding technology has played a vital role in the development of this sector.
PM2008 World Congress: MIM material and binder developments
In our fourth and final review of powder injection moulding at the PM2008 World Congress, Washington DC, Dr David Whittaker reports on technical papers that presented the latest advances in powder and binder technologies.
Sintered Ba hexaferrite shaped by powder injection moulding in a DC magnetic field
B. S. Zlatkov, M. V. Nikolic, H. Danninger, O. Aleksic
Ba – hexaferrite specimens with an oriented structure were produced by the powder injection moulding technology (PIM). Ferrite powder (BaFe12O19) with an average particle size of 0.4 µm was mixed with a low viscosity binder (wax, thermo-plastics, solvents and additives) to form a feedstock to be used in the PIM process.
Co-sintering of functionally graded Fe2Ni/Fe2NixCr composites
Hao He, Yimin Li, Jia Lou, Jianguang Zhang
In this work, the co-sintering compatibility between Fe2Ni and Fe2Ni with different amounts of Cr additions (Fe2NixCr, x=0.5, 1, 3) was studied. The intent is to manufacture functionally graded composites for applications that require a combination of toughness and wear resistance. The densification, bond strength and microstructure of the composites were examined.
Advanced metal powder injection moulding for multilayered micro porous titanium components
Kazuaki Nishiyabu, Satoru Matsuzaki, Shigeo Tanaka
Metal powder injection moulding (MIM) is a promising net-shape manufacturing method for porous metal components with high dimensional accuracy and 3 dimensional complicated shapes, which are required in several highly functional applications. Powder space holder (PSH) method is capable of fabricating the controlled pore structures the pore size and can be changed from sub-microns to a few hundred microns, and porosity from 0% to around 80% in volume.
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