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Development of a system for additive manufacturing of ceramic matrix composite structures using laser technology
Fraunhofer Institute for Material and Beam Technology (IWS), Dresden, 01277, Germany.
Fraunhofer Institute for Ceramic Technologies and Systems (IKTS), Dresden, 01277, Germany.
Space Structures GmbH, Berlin, 12435, Germany.
AXIAL Ingenieurgesellschaft für Maschinenbau mbH, Radebeul, 01445, Germany.
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2021 (Engelska)Ingår i: Materials, E-ISSN 1996-1944, Vol. 14, nr 12, artikel-id 3248Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Ceramic matrix composites (CMCs) are refractory ceramic materials with damage-tolerant behavior. Coming from the space industry, this class of materials is increasingly being used in other applications, such as automotive construction for high-performance brake discs, furnace technology, heat coatings for pipe systems and landing flaps on reusable rocket sections. In order to produce CMC faster and more cost-efficiently for the increasing demand, a new additive manufacturing process is being tested, which in the future should also be able to realize material joints and higher component wall thicknesses than conventional processes. The main features of the process are as follows. A ceramic fiber bundle is de-sized and infiltrated with ceramic suspension. The bundle infiltrated with matrix material is dried and then applied to a body form. During application, the matrix material is melted by laser radiation without damaging the fiber material. For the initial validation of the material system, samples are pressed and analyzed for their absorption properties using integrating sphere measurement. With the results, a suitable processing laser is selected, and initial melting tests of the matrix system are carried out. After the first validation of the process, a test system is set up, and the first test specimens are produced to determine the material parameters.

Ort, förlag, år, upplaga, sidor
MDPI, 2021. Vol. 14, nr 12, artikel-id 3248
Nyckelord [en]
Additive manufacturing, Ceramic matrix composite, Integrating sphere measurement, Laser technology, Wavelength dependent absorption rate
Nationell ämneskategori
Kompositmaterial och -teknik
Forskningsämne
Produktionsutveckling
Identifikatorer
URN: urn:nbn:se:ltu:diva-86283DOI: 10.3390/ma14123248ISI: 000666299500001PubMedID: 34204639Scopus ID: 2-s2.0-85108620738OAI: oai:DiVA.org:ltu-86283DiVA, id: diva2:1578027
Anmärkning

Validerad;2021;Nivå 2;2021-07-05 (beamah);

Forskningsfinansiär: Bundesministerium für Bildung und Forschung (03ZZ0222C)

Tillgänglig från: 2021-07-05 Skapad: 2021-07-05 Senast uppdaterad: 2024-01-12Bibliografiskt granskad

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Brückner, Frank

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