Additive manufacturing of Portland cement pastes with additions of kaolin, superplastificant and calcium carbonate
作者: Luis A. VergaraHenry A. Colorado
作者单位: 1CCComposites Lab, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia
刊名: Construction and Building Materials, 2020, Vol.248
来源数据库: Elsevier Journal
DOI: 10.1016/j.conbuildmat.2020.118669
关键词: 3D printingAdditive manufacturingPortland cementMortarKaolinDirect ink writing
英文摘要: Abstract(#br)The aim of this investigation is to develop inexpensive formulations of Portland cement pastes for use in additive manufacturing with the direct ink writing technique. Kaolin, a superplastificant based on cellulose, and calcium carbonate were used as additives and modifiers of printing quality. A total of 15 formulations were created for the printing process, of which 3 were able to produce printed parts with the right shape, stability and finish. Cylindrical samples of 17 mm in diameter and 26 mm in height were created for compression testing. Parts with complex geometries were also printed in order to evaluate the versatility of the formulations in the process. The microstructure was characterized with scanning electron microscopy and X-ray diffraction. Mass flow through...
全文获取路径: Elsevier  (合作)
影响因子:2.293 (2012)

  • cement 胶结物
  • Portland 波特兰
  • pastes 膏剂
  • manufacturing 制造
  • writing 记录
  • kaolin 高岭土
  • carbonate 碳酸盐
  • additions 添加剂
  • printing 印刷
  • calcium