{"id":177156,"date":"2020-12-02T07:03:11","date_gmt":"2020-12-02T07:03:11","guid":{"rendered":"http:\/\/facfox.com\/news\/?p=177156"},"modified":"2020-12-02T07:03:11","modified_gmt":"2020-12-02T07:03:11","slug":"tiwari-and-esa-certify-four-ceramic-and-metal-materials-for-raptor-3d-printer","status":"publish","type":"post","link":"https:\/\/facfox.com\/news\/tiwari-and-esa-certify-four-ceramic-and-metal-materials-for-raptor-3d-printer\/","title":{"rendered":"TIWARI and ESA Certify Four Ceramic and Metal Materials for RAPTOR 3D Printer"},"content":{"rendered":"

ESA-supported start<\/a>up TIWARI Scientific Instruments in Germany has developed a low-cost 3D print<\/a>er, the RAPTOR, which is capable of 3D print<\/a>ing<\/a> a variety of metals and ceramics using a bound powder filament extrusion process. While the 3D print<\/a>er is similar to other systems now available in the market \u2013 such as those introduced by Nanoe and Triditive among others \u2013 TIWARI was able to leverage support from ESA to validate four metal and ceramic materials for space and other application<\/a>s.<\/p>\n

TIWARI\u2019s process uses thermoplastic filaments that are embedded with part<\/a>icles of the metal or ceramic the part<\/a> is to be made from. Once the printing is finished, the green part<\/a> is put through a thermal treatment to eliminate the plastic, leaving behind a metal or ceramic item.<\/p>\n

\u201cOnce this plastic-containing body goes through this treatment then what is left behind is pure metal or ceramic,\u201d explained ESA non-metallic materials and processes engineer Ugo Lafont. \u201cThe result is high-quality part<\/a>s with very good physical properties. So this cheap, simple technique can offer us additional part<\/a> manufacturing capability for space application<\/a>s with an expanded pallet of materials.\u201d<\/p>\n

<\/p>\n

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Opthomechanical payload structure for satellite<\/figcaption><\/figure>\n

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Spacecraft Heat Shield printed in SiC<\/figcaption><\/figure>\n

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Tungsten Carbide parts<\/figcaption><\/figure>\n

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Gears 3D printed in stainless steel<\/figcaption><\/figure>\n
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Stainless steel sample bottle openers<\/figcaption><\/figure>\n
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Alumina ceramic 3D printed parts<\/figcaption><\/figure>\n
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SiC 3D printed heat shields<\/figcaption><\/figure>\n

Test part<\/a>s made using the extrusion process in stainless steel and titanium metals, as well as aluminia and silicon carbide ceramics underwent a full-scale campaign of non-destructive and destructive testing at the Materials and Electrical Components Laboratory of ESA\u2019s ESTEC technical centre in the Netherlands, assessing their added value and suitability for space.<\/p>\n

According to ESA the part<\/a>s possess enhanced mechanic<\/a>al performance compared to their conventionally made equivalents \u2013 for instance, stainless steel can be elongated to a previously unachievable 100% without breaking.<\/p>\n

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TIWARI is a start<\/a>up hosted at ESA\u2019s Business Incubation Centre Hessen & Baden-W\u00fcrttemberg in Germany, specialising in instruments for thermal characterisation of materials as well as 3D print<\/a>ing<\/a> of high-performance metals and ceramics.<\/p>\n

\u201cDesktop 3D print<\/a>ers have become cheaper and cheaper in recent years and there\u2019s been a lot of interest in mixing in materials with traditional print stock,\u201d explained company founder Siddhart<\/a>h Tiwari. \u201cBut our company\u2019s part<\/a>icular focus has really been on understanding the process thoroughly and investigating the kind of thermal and mechanic<\/a>al properties we can achieve.<\/p>\n

\u201cSo this test campaign with ESA was part<\/a> of our strategic planning from the start<\/a>, to help commercialise the technology. At a time when other companies are still speculating about the properties achievable with 3D print<\/a>ed part<\/a>s we have tested and qualified not one but four separate materials.<\/p>\n

\u201cThis means we\u2019ve ended up with a database no other company possesses, thanks to being able to make use of ESA resources \u2013 which otherwise would have cost many tens of thousands of euros. And the fact that our part<\/a>s make the grade for space helps us in terrestrial markets too.\u201d<\/p>\n

The collaboration between the ESA and TIWARI on the testing and evaluation of the 3D print<\/a>ed part<\/a>s has been facilitated by ESA\u2019s Technology Transfer and Patent Office.<\/p>\n

\u201cWe hope to offer an affordable solution to a market often put off by the high prices associated with additive manufacturing,\u201d added Siddhart<\/a>h Tiwari. \u201cOur company offers one of the best price-to-performance ratio in the market, and we have launched an online estimation tool allowing customers to check how much the customized part<\/a>s they require will cost.\u201d<\/p>\n

* This article is reprinted from 3D Printing Media Network<\/a>. If you are involved in infringement, please contact us to delete it.<\/p>\n

<\/i> Author: Davide Sher<\/p>\n","protected":false},"excerpt":{"rendered":"

ESA-supported startup TIWARI Scientific Instruments in Germany has developed a low-cost 3D printer, the RAPTOR, which is capable of 3D printing a variety of metals and ceramics using a bound powder filament extrusion process. While the 3D printer is similar to other systems now available in the market \u2013 such as those introduced by Nanoe […]<\/p>\n","protected":false},"author":3,"featured_media":184379,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"https:\/\/facfox-upload.oss-us-east-1.aliyuncs.com\/image\/2020\/11\/Nb2Uru.jpg","fifu_image_alt":"TIWARI and ESA Certify Four Ceramic and Metal Materials for RAPTOR 3D Printer","footnotes":""},"categories":[58],"tags":[44,24,254,32,54],"class_list":["post-177156","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-3d-printer","tag-3d-printing","tag-ceramic","tag-material","tag-metal"],"yoast_head":"\nTIWARI and ESA Certify Four Ceramic and Metal Materials for RAPTOR 3D 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