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3D printing of cement composites

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Gibbons, Gregory John, Williams, Reuben, Purnell, Phil and Farahi, Elham. (2010) 3D printing of cement composites. Advances in Applied Ceramics, Vol.109 (No.5). pp. 287-290. ISSN 1743-6761

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Official URL: http://dx.doi.org/10.1179/174367509X12472364600878

Abstract

The aims of this study were to investigate the feasibility of generating 3D structures directly in rapid-hardening Portland cement (RHPC) using 3D Printing (3DP) technology. 3DP is a Additive Layer Manufacturing (ALM) process that generates parts directly from CAD in a layer-wise manner. 3D structures were successfully printed using a polyvinylalcohol: RHPC ratio of 3:97 w/w, with print resolutions of better than 1mm. The test components demonstrated the manufacture of features, including off-axis holes, overhangs / undercuts etc that would not be manufacturable using simple mould tools. Samples hardened by 1 day post-build immersion in water at RT offered Modulus of Rupture (MOR) values of up to 0.8±0.1MPa, and, after 26 days immersion in water at RT, offered MOR values of 2.2±0.2MPa, similar to bassanite-based materials more typically used in 3DP (1-3 MPa). Post-curing by water immersion restructured the structure, removing the layering typical of ALM processes, and infilling porosity.

Item Type:

Journal Article

Subjects:

T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
T Technology > TS Manufactures

Divisions:

Faculty of Science > Engineering
Faculty of Science > WMG (Formerly the Warwick Manufacturing Group)

Library of Congress Subject Headings (LCSH):

Portland cement, Three-dimensional printing

Journal or Publication Title:

Advances in Applied Ceramics

Publisher:

Maney Publishing

ISSN:

1743-6761

Official Date:

May 2010

Dates:

Date	Event
May 2010	Published

Volume:

Vol.109

Number:

No.5

Number of Pages:

Page Range:

pp. 287-290

Identification Number:

10.1179/174367509X12472364600878

Status:

Peer Reviewed

Publication Status:

Published

Access rights to Published version:

Restricted or Subscription Access

Funder:

Engineering and Physical Sciences Research Council (EPSRC)

Grant number:

GR/T01518/01 (EPSRC)

References:

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URI:

http://wrap.warwick.ac.uk/id/eprint/4465

Data sourced from Thomson Reuters' Web of Knowledge

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