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Powder injection moulding of cemented carbides: a global industry with a bright future
Powder injection moulding (PIM) technology has been used for many years in the production of cemented carbide (hardmetal) products. We review how PIM technology is applied in this major global industry.
Powder injection moulding in North America – upbeat again
North America was at the forefront of the early development and application of PIM technology. After slower growth in recent years the future is now looking good for PIM in North America.
A closer look at award winning MIM products from North America
The Metal Powder Industries Federation’s (MPIF) ‘Design Excellence Awards’ competition offers an insight into the latest in MIM applications. We take a closer look at this year’s award winners.
Schunk Sintermetalltechnik: Leading German manufacturer works to develop the market for Metal Injection Moulding in the automotive sector
Schunk Sintermetalltechnik GmbH is one of Germany’s premier MIM companies with over 90% of its production going to the automotive sector. We present a fascinating insight into the company’s operations.
The impact of REACH on the powder injection moulding industry
In this specially commission review Peter Brewin, former Technical Director of the European Powder Metallurgy Association (EPMA) reports on REACH, a new European Union law that will affect the whole of the PIM industry.
Moulding properties and causes of deterioration of recycled MIM feedstock
L.H. Cheng and K.S. Hwang
To lower the cost of MIM products, the gate and runner materials and green parts with defects are usually recycled. It is therefore necessary to understand what causes the recycled products to deteriorate. The results show that the viscosity of the 1R (recycled once) feedstock was slightly lower than that of the fresh material.
Powder injection moulding of cemented carbides for the production of micro parts and micro structured parts
L. Merz, S. Rath and B. Zeep
In the last few years micro system technology has gained increasing attraction. Within this time powder injection moulding (PIM) has established itself as a suitable production process for micro parts made of advanced materials. Starting with ceramics and stainless steels, now also cemented carbides can be used for these purposes.
Study of the rheological properties of a new bronze 90/10 feedstock based on irregular powder particles for application in powder injection moulding (PIM)
José M. Contreras, Antonia Jiménez-Morales and José M. Torralba
Metal injection moulding (MIM) is an alternative fabrication route for metal parts made to net-shape. With the aim of diminishing the raw material costs, the possibility of changing the powder usually used in MIM (spherical shape and particle size lt; 20 μm) by other types of more cost-effective powder was researched. In order to do this nine bronze 90/10 feedstocks were prepared with the same binder (HDPE-paraffin wax), mixing three different kinds of powder.
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