PIM International, Vol. 5 No. 3 September 2011
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In addition to 25 pages of news from the metal and ceramic injection moulding industry, the 88 page September 2011 issue of Powder Injection Moulding International (Vol.5 No.3) includes the following articles and special features:
A review of the current status of MicroPIM: Materials, processing, microspecific considerations and applications
In this, the first of a two part report for PIM International, Dr Volker Piotter (Karlsruhe Institute of Technology, Germany) reviews the current status of MicroPIM techology. This first instalment covers materials, production equipment, mould design and processing as well as looking at current and potential markets and applications. Examples of commercial and R&D stage microparts are also presented.
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Indo-MIM: The world’s largest capacity MIM producer sees no limits to the industry’s expansion
Indo-US MIM Tec (P) Ltd, widely known as Indo-MIM, is today a major force in metal injection moulding. With the largest reported production capacity in the industry, the company’s continued reinvestments have enabled it to enjoy a dramatic growth in sales to a wide variety of industry sectors. PIM International reports on the story of the company to-date and interviews its President, John Gaspervich, about the factors behind the company’s success, the outlook for MIM, and the challenges of doing business in India.
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MIM at PowderMet 2011: Advances in the metal injection moulding of titanium
The Metal Powder Industries Federation’s annual PowderMet conference once again proved to be an important event for the PIM industry. PowderMet 2011, held in San Francisco earlier this year, was attended by more than 750 delegates and attracted a large number of papers relating to titanium powder metallurgy. Dr David Whittaker reports for PIM International on a selection of key presentations relating to titanium MIM
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MIM at PowderMet 2011: Advances in ferrous material grades for MIM applications
The PowderMet 2011 technical programme featured a number of presentations dedicated to the latest developments in ferrous material grades for metal injection moulding. From the sinter-hardening of MIM alloy steels, to tool steels and austenitic steels, the range of presentations highlighted both the diversity and continuing potential of MIM. Dr David Whittaker reviews a selection of key papers for PIM International.
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Metal injection moulding of Inconel 713C for turbocharger applications
In response to growing interest in the manufacture of high performance turbocharger components via Metal Injection Moulding, PolyMIM GmbH based in Bad Sobernheim, Germany, has started the production of an Inconel 713C feedstock specifically targeted towards the turbocharger market.In the following article, Dr. Natalie Salk presents the company’s most recent data on the processing and properties of tensile test bars processed using a water soluble binder system.
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Sandvik Osprey: Expanding fine powder production to meet customer demand
Sandvik Osprey, a leader in the production of fine gas atomised powders for MIM, has over the last decade been steadily increasing capacity in an effort to keep up with spiralling demand from part producers. PIM International recently visited the company in Neath, South Wales, and spoke with Martin Kearns and Keith Murray about the company’s latest expansion plans.
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Improving MIM part quality through enhanced sintering atmosphere control
The production of consistently high quality sintered parts demands a process in which all parameters are closely controlled. Failure to control furnace atmospheres can, therefore, put final part quality at risk. A patented atmosphere control system, SINTERFLEX™, for controlling the C-Potential in sintering furnaces was specifically designed through cooperation between Höganäs AB and Linde Gas. In this article, Akin Malas gives details of the first application of this process to MIM part production, including the results of an industrial scale case study carried out at Megamet Solid Metals Inc.
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An approach to cost effective low alloyed materials for Metal Injection Molding
Jens Rassmus, Anna Larsson and Heike Grosser
One of the growth limiting factors for the Metal Injection Moulding (MIM) industry is said to be material cost. The relative material cost is lower for a smaller part compared to a larger one. One way to decrease cost is to use coarser materials (larger particles), but normally larger particles do not sinter as well as small. This paper describes an alternative approach to enable the use of coarser materials by selecting alloys containing ferrite stabilising elements and sinter them in the ferritic phase.
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Bulk Metallic Glasses (BMG): A competing or complementary technology to MIM?
Frans Van Camp, Leo Oelbrandt
The objective of this article is to present the technology of bulk metallic glasses, also called amorphous metals. Next to a specific structure, a BMG has a unique combination of mechanical and physical properties that can offer an added value to the parts producing industry.
Based on extensive research, OCAS has identified that BMG can complement the MIM technology and decided to conduct a market feasibility assessment to acquire further insights into the industrialization potential for certain applications of this exciting technology.geneity and to determine how this affects particle adhesion and the strength of green parts.
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