Journal
ADVANCED ENGINEERING MATERIALS
Volume 17, Issue 10, Pages 1486-1493Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adem.201500037
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Funding
- German Research Association (DFG)
- Collaborative Research Center 103 project B2 and B4
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Selective electron beam melting (SEBM), which belongs to the additive manufacturing processes, is applied to produce samples from the single crystalline nickel-base superalloy CMSX-4. The influence of the high solidification rates on the microstructure and element distribution is investigated by OM, SEM, DSC, and EMPA. Solution heat treatments at different temperatures and holding times are applied to demonstrate the difference between conventionally cast and SEBM material. The results demonstrate that SEBM is able to produce superalloys with a degree of homogeneity which cannot be realized in conventional processes.
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