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Metal Printing Process - Challenges and Potentials

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A new method of rapid manufacturing called the Metal Printing Process (MPP) is under development at SINTEF in Norway. This method is using xerography and powders of metals and ceramics to build objects layer by layer. Each layer is transferred from the photoreceptor onto a punch which is used to press the new layer onto the growing object in a die. The compressed powder can subsequently be sintered into a functional object.

In principle there is no limit on the number of materials in each layer, but the different materials do have to have some properties in common, i.e. about the same melting temperature, size and electric properties. By making patterns in each layer, and also varying the layers in the vertical direction, objects with graded materials can be made.

To build overhangs a support powder must be used. This powder must have physical properties comparable to the building powder, but needs to behave differently when the part is sintered. This paper is presenting the process, based on the prototype built at SINTEF.
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Document Type: Research Article

Publication date: 01 January 2005

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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