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Engineering Materials

Slideshow: 3D-Printed Carbon Composite Yacht Model

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PressOffice_CRPGroup
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Iron
Re: Compare the properties
PressOffice_CRPGroup   5/23/2014 5:26:26 AM
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FDM is a very effective method for producing prototype parts.  Process parameters will have a large influence on part performance.  Since we are using a different method, the part results are different. 
Utilizing a Laser Sintering machine we have the ability to fully melt the material during the layering process, with the energy penetrating to the layer below.  The material is non-isotropic, as the microfibers align themselves during the re-coating process, but due to the materials properties and machine settings we do not see layer separations.  Even when used in high vibration areas such as the parts that CRP USA (our partner in Mooresville NC) produces for NASCAR teams that race the parts every weekend attached to an engine turning more than 9000 rpm.




PressOffice_CRPGroup
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Iron
Re: Compare the properties
PressOffice_CRPGroup   5/23/2014 5:25:24 AM
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Windform compares similarly to several filled plastics utilized in manufacturing.  Data sheets are available at Windform.eu as well as charts that rank the materials in the Download section at the website.  Ann Thryft has commented that the industry is moving forward to establish testing standards through ASTM Committee F42 (We participated in the kick off of this process a few years back).  We encourage people who are interested to join and or follow the progress. 

PressOffice_CRPGroup
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Iron
Re: Coming soon--3D printed composite airplanes?
PressOffice_CRPGroup   5/23/2014 5:23:48 AM
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It is interesting that you are looking toward Aerospace.  Windform materials have passed Out Gas testing per NASA screening and are being utilized to produce components as well as structures for Cube Satellites. 

etmax
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Gold
Re: Compare the properties
etmax   3/18/2014 9:39:18 AM
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Now that's a very good question, I've always had issues with FDM (ABS) printers in that the layers separate too easily.

Ann R. Thryft
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Re: Compare the properties
Ann R. Thryft   3/17/2014 1:04:31 PM
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William, I agree. But we're some ways away from that goal. Lots of R&D is proceeding to establish such metrics, as we've reported several times. Meanwhile this yacht model is more of a proof of concept.

William K.
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Gold
Compare the properties
William K.   3/14/2014 7:43:21 PM
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What would be really useful is a comparison of the physical properties of the printed composite object compared to those made in the standard manner. Is there a trade-off, and if so, how much? That is the sort of thing that is usefulk in considering as to if a fabrication method is applicable for some part.

Ann R. Thryft
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Blogger
Coming soon--3D printed composite airplanes?
Ann R. Thryft   3/13/2014 1:13:11 PM
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While the yacht model is cool, I think it's even cooler that this 3D printing technology is close to realizing use in aerospace apps.



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