Powder Injection Moulding
A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".
Deadline for manuscript submissions: closed (31 July 2017) | Viewed by 15670
Special Issue Editor
Interests: powder metallurgy; micro system technology; polymer processing; injection moulding; powder injection moulding; sintering
Special Issue Information
Dear Colleagues,
Powder injection moulding (PIM) holds a remarkable position in the manufacturing of high value add metal and ceramic components. This assessment is based on technical, as well as economic, merits. Among these, the high economic efficiency in mass production has to be emphasized. Further benefits are the capability to fabricate geometrically complex devices and the wide range of processable materials. Typical metals are different kinds of steel, soft magnetic alloys, copper, titanium, or hard metals. Most used non-metals are aluminum/zirconium oxide ceramics, followed by silicon nitride.
The process chain consists of four main steps: Feedstock preparation, i.e., the compounding of powder and binder, shaping by injection moulding, debinding, and sintering to the final dense part. Up to now, the smallest details, in the 10-µm range, or even lower, can be achieved, whereas weights of the largest parts exceed 300 g.
Typical fields of application are automotive components, medical devices, electronic products, consumer goods, firearms, etc.
Current research activities comprise the utilization of PIM in micro system technologies (MicroPIM), as well as the development of multi-material variants. Among these, the so-called multi-component and in-mould-labeling process conducts have to be mentioned. Ambitious approaches have been started concerning the simulation of the fluidic behaviour of the PIM feedstocks taking into account the complex interactions of liquid binders and solid particles.
Dr. Volker Piotter
Guest Editor
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Keywords
- powder injection moulding
- PIM
- MIM
- CIM
- metals
- ceramics
- hard metals
- feedstock
- sintering
- simulation
- MicroPIM
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