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Erschienen in:
2023 | OriginalPaper | Buchkapitel
Resource-Efficient Sintering Supports for the Metal Binder Jetting Process
verfasst von : Heiko Blunk, Niklas Huber
Erschienen in: Innovative Product Development by Additive Manufacturing 2022
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Abstract
As one of the additive manufacturing processes, metal binder jetting enables a resource-efficient and more cost-effective production of highly complex metal components. However, shrinkage of approx. 20% occurs during the sintering process, which often leads to undesirable component deformation and thus to component defects due to relative movement between the component and sintering base and the associated frictional forces. One way of minimizing this distortion is to use co-shrinking sintering supports. These are support structures that are manufactured using the same process and material as the components. However, this type of support structure can only be used once, which results in significantly higher material consumption and process time. To increase resource efficiency and reduce production costs, lightweight sintering supports were developed and analyzed, which are presented in this work. Initial results show a material saving of up to 73% for the sintering supports.