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Körner, Carolin und Ramsperger, Markus und Meid, Carla und Bürger, Daniel und Wollgramm, Philipp und Bartsch, Marion und Eggeler, Gunther (2018) Microstructure and Mechanical Properties of CMSX-4 Single Crystals Prepared by Additive Manufacturing. Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science, 9 (49), Seiten 3781-3792. Springer. doi: 10.1007/s11661-018-4762-5. ISSN 1073-5623.
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Offizielle URL: https://link.springer.com/article/10.1007%2Fs11661-018-4762-5
Kurzfassung
Currently, additive manufacturing (AM) experiences significant attention in nearly all industrial sectors. AM is already well established in fields such as medicine or spare part production. Nevertheless, processing of high-performance nickel-based superalloys and especially single crystalline alloys such as CMSX-4 is challenging due to the difficulty of intense crack formation. Selective electron beam melting (SEBM) takes place at high process temperatures (~ 1000 C) and under vacuum conditions. Current work has demonstrated processing of CMSX-4 without crack formation. In addition, by using appropriate AM scan strategies, even single crystals (SX SEBM CMSX-4) develop directly from the powder bed. In this contribution, we investigate the mechanical properties of SX SEBM CMSX-4 prepared by SEBM in the as-built condition and after heat treatment. The focus is on hardness, strength, low cycle fatigue, and creep properties. These properties are compared with conventional cast and heat-treated material.
| elib-URL des Eintrags: | https://elib.dlr.de/122957/ | ||||||||||||||||||||||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||||||||||||||||||
| Titel: | Microstructure and Mechanical Properties of CMSX-4 Single Crystals Prepared by Additive Manufacturing | ||||||||||||||||||||||||||||||||
| Autoren: |
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| Datum: | 10 Juli 2018 | ||||||||||||||||||||||||||||||||
| Erschienen in: | Metallurgical and Materials Transactions a-Physical Metallurgy and Materials Science | ||||||||||||||||||||||||||||||||
| Referierte Publikation: | Ja | ||||||||||||||||||||||||||||||||
| Open Access: | Ja | ||||||||||||||||||||||||||||||||
| Gold Open Access: | Nein | ||||||||||||||||||||||||||||||||
| In SCOPUS: | Ja | ||||||||||||||||||||||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||||||||||||||||||||||
| Band: | 9 | ||||||||||||||||||||||||||||||||
| DOI: | 10.1007/s11661-018-4762-5 | ||||||||||||||||||||||||||||||||
| Seitenbereich: | Seiten 3781-3792 | ||||||||||||||||||||||||||||||||
| Verlag: | Springer | ||||||||||||||||||||||||||||||||
| Name der Reihe: | TOPICAL COLLECTION: SUPERALLOYS AND THEIR APPLICATIONS | ||||||||||||||||||||||||||||||||
| ISSN: | 1073-5623 | ||||||||||||||||||||||||||||||||
| Status: | veröffentlicht | ||||||||||||||||||||||||||||||||
| Stichwörter: | Additive manufacturing, single crystal, super alloy, mechanical properties, high temperature fatigue | ||||||||||||||||||||||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||||||||||||||||||
| HGF - Programm: | Luftfahrt | ||||||||||||||||||||||||||||||||
| HGF - Programmthema: | Antriebssysteme | ||||||||||||||||||||||||||||||||
| DLR - Schwerpunkt: | Luftfahrt | ||||||||||||||||||||||||||||||||
| DLR - Forschungsgebiet: | L ER - Engine Research | ||||||||||||||||||||||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Virtuelles Triebwerk und Validierungsmethoden (alt) | ||||||||||||||||||||||||||||||||
| Standort: | Köln-Porz | ||||||||||||||||||||||||||||||||
| Institute & Einrichtungen: | Institut für Werkstoff-Forschung > Experimentelle und numerische Methoden | ||||||||||||||||||||||||||||||||
| Hinterlegt von: | Bartsch, Dr.-Ing. Marion | ||||||||||||||||||||||||||||||||
| Hinterlegt am: | 20 Nov 2018 09:00 | ||||||||||||||||||||||||||||||||
| Letzte Änderung: | 22 Jun 2023 10:01 |
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