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Related Experiment Video

Updated: Nov 20, 2025

Negative Additive Manufacturing of Complex Shaped Boron Carbides
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MAX Phase Ceramics/Composites with Complex Shapes.

Jianning Zhang1,2, Ke Chen1,2, Xun Sun3

  • 1Shanghai University, Shanghai 200444, China.

ACS Applied Materials & Interfaces
|January 26, 2021
PubMed
Summary
This summary is machine-generated.

Polymer-derived ceramics (PDCs) enable pressureless processing of MAX phase ceramics, lowering temperatures by 400–600 °C. This facilitates fabrication of complex-shaped ceramic components for diverse industrial applications.

Keywords:
MAX phasescomplex shapescompositeslow−temperature sinteringpreceramic polymers

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Area of Science:

  • Materials Science
  • Ceramic Engineering
  • Polymer Chemistry

Background:

  • Ceramics like oxides, carbides, and MAX phases are crucial for demanding applications.
  • Complex shaping of traditional ceramic powders presents significant processing challenges.
  • Emerging technologies require advanced ceramic materials with intricate designs.

Purpose of the Study:

  • To develop a novel method for processing MAX phase ceramics with complex shapes.
  • To utilize polymer-derived ceramics (PDCs) to facilitate pressureless processing of MAX phases.
  • To reduce the processing temperatures for MAX phase ceramic fabrication.

Main Methods:

  • Incorporation of polymer-derived ceramics (PDCs) with MAX phase particles.
  • Pressureless processing of PDC-MAX phase mixtures.
  • Replication of complex shapes using preceramic polymer mixtures.

Main Results:

  • Processing temperatures were reduced by 400–600 °C compared to conventional methods.
  • The method allows for high accuracy replication of intricate designs.
  • Successful fabrication of complex-shaped MAX phase ceramics and composites was achieved.

Conclusions:

  • PDCs offer a viable route for pressureless processing of MAX phase ceramics.
  • The technique significantly lowers processing temperatures, aiding industrial adoption.
  • This approach enables the creation of complex-shaped ceramic components for advanced applications.