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Engineering Materials
Slideshow: Seismic Shifts in 3D Printing Materials
11/15/2013

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Using their own topology and geometry optimization algorithms, researchers at the University of Science and Technology of China have devised a skin-frame structure (b) that minimizes the material needed to 3D print (c, d) an object (a).  (Source: University of Science and Technology of China)

Using their own topology and geometry optimization algorithms, researchers at the University of Science and Technology of China have devised a skin-frame structure (b) that minimizes the material needed to 3D print (c, d) an object (a).

(Source: University of Science and Technology of China)

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BillStruve
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Re: 3D Printing with metal clay
BillStruve   12/2/2013 1:01:21 PM
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Yes!

Ann R. Thryft
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Re: 3D Printing with metal clay
Ann R. Thryft   12/2/2013 11:51:28 AM
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Thanks for the details. It sounds like it's mostly aimed at craft, art, jewelry and hobby applications. I'm more interested in industrial and commercial uses. Do you think that's possible in the future?

BillStruve
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Re: 3D Printing with metal clay
BillStruve   11/27/2013 3:57:44 PM
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Rik Theunissen and Noortje Meijerink used it to print sculptures, and in England, Imakr.vc ordered some for R&D. We have been supplying the clay to artists and jewelers for the last six years. You may also be interested in the AMPM (Additive Manufacturing with Powder Metallurgy) meeting in Orlando next May where I'll be giving a talk.

BillStruve
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Re: 3D Printing with metal clay
BillStruve   11/27/2013 3:52:14 PM
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Rik Theunissen and Noortje Meijerink used it to print sculptures, and in England, Imakr.vc ordered some for R&D. We have been supplying the clay to artists and jewelers for the last six years. You may also be interested in the AMPM (Additive Manufacturing with Powder Metallurgy) meeting in Orlando next May where I'll be giving a talk.

Ann R. Thryft
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Re: 3D Printing with metal clay
Ann R. Thryft   11/27/2013 12:34:53 PM
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Thanks for the tip and the link, BillStruve. I just came across the Mini Metal Maker. But I hadn't heard yet about Metal Adventures. It seems that new 3D printing methods and materials are being invented or refined every day. Can you tell me more about where this technique is being used in the Netherlands?

BillStruve
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3D Printing with metal clay
BillStruve   11/26/2013 9:23:46 PM
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A new way of 3D printing is to extrude metal clay, like Metal Adventures Inc. BRONZclay.  After the print is air dried, it is fired in a kiln to fuse the metal particles in the clay into solid metal.  This technique is used in the Mini Metal Maker: http://minimetalmaker.com/press  It is also being used successfuly in the Netherlands.

Ann R. Thryft
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Re: AM materials standards
Ann R. Thryft   11/19/2013 1:06:59 PM
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Thanks, Elizabeth. Depending on the process and post-processing, durability can be, as we've seen, good enough in metals for rocket engine parts, among other things. Plastics can be another story, but it's worthwhile remembering that 3D printing has been used in aerospace and high-end race car applications for several years. What we need is a metric we can all point to if we're going to have any meaningful discussions.

Elizabeth M
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Re: AM materials standards
Elizabeth M   11/19/2013 5:17:33 AM
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I am enjoying your continued thorough coverage of this space, Ann. I would think the durability issue would be a big one, and it's interesting to see the techniques being devised to address it.

Ann R. Thryft
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Re: AM materials standards
Ann R. Thryft   11/18/2013 12:06:38 PM
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Agreed, notarboca. It's tough to discuss anything intelligently if you can't be sure you're talking about equivalent materials with the same properties.

Ann R. Thryft
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Re: Optimized Support Structures
Ann R. Thryft   11/18/2013 12:06:08 PM
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Greg, that's a good point about delicate designs and less support structure. That one hadn't occurred to me.

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