期刊
ADVANCES IN APPLIED CERAMICS
卷 117, 期 2, 页码 100-117出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/17436753.2017.1379586
关键词
Selective laser sintering; cold isostatic pressing; porous ceramics; dense ceramics; mechanical properties
资金
- National Natural Science Foundation of China [51605177]
- Basic Research Project of Shenzhen [JCYJ20150630155150 203]
- Shanghai Aerospace Science and Technology Innovation Fund [SAST2015055]
- China Postdoctoral Science Foundation [2015M572136, 2017T100550]
- National Science and Technology Major Project [2013ZX02104-00 1-002]
Selective laser sintering (SLS) is an additive manufacturing technology which has shown great advantages in direct formation of the polymer, metal and their composites. However, ceramic parts prepared by the SLS still exhibit some fatal defects, including low density and poor mechanical properties. In this respect, recent advances for preparing ceramics have improved the final density and performance by adopting post-processing methods. In this review, three commonly used powder preparation approaches (i.e. mechanical mixing, solvent evaporation and dissolution-precipitation process) and two powder sintering mechanisms for the SLS are introduced. Porous ceramic parts are prepared directly through the SLS by virtue of their high porosity. And dense, high-performance Al2O3, ZrO2, kaolin and SiC ceramic parts with complex shape are prepared by introducing CIP technology into the SLS, indicating that the hybrid technology could be the promising route for preparing high-performance ceramic parts used in various fields.
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