Freeze-Casting of Porous Ceramics: A Review of Current Achievements and Issues

  title={Freeze-Casting of Porous Ceramics: A Review of Current Achievements and Issues},
  author={Sylvain Deville},
  journal={Advanced Engineering Materials},
  • S. Deville
  • Published 1 March 2008
  • Materials Science, Physics
  • Advanced Engineering Materials
Freeze-casting of porous ceramics have seen a great deal of efforts during the last few years. The objective of this review is to provide a first understanding of the process as of today. This analysis highlights the current limits of both the understanding and the control of the process. A few perspectives are given, with regards of the current achievements, interests and identified issues. 2 Abstract Freeze-casting, the templating of porous structure by the solidification of a solvent, have… Expand
Freeze-Casting of Porous Biomaterials: Structure, Properties and Opportunities
The freeze-casting of porous materials has received a great deal of attention during the past few years. This simple process, where a material suspension is simply frozen and then sublimated,Expand
Macro-porous ceramics: processing and properties
Abstract Porous ceramics are now expected to be used for a wide variety of industrial applications from filtration, absorption, catalysts and catalyst supports to lightweight structural components.Expand
A review of fabrication strategies and applications of porous ceramics prepared by freeze-casting method
Abstract Freeze casting is a promising technique to fabricate porous materials with complex pore shapes and component geometries. Of particular interest are the unique structure and propertiesExpand
Architectural Control of Freeze‐Cast Ceramics Through Additives and Templating
The freezing of concentrated colloidal suspensions is a complex physical process involving a large number of parameters. These parameters provide unique tools to manipulate the architecture ofExpand
Porous Ceramic Materials
This chapter describes the recent progresses of macroporous ceramics, which are now widely used for various industrial applications from filtration, absorption, catalysts, and catalyst supports toExpand
Freeze-casting for the fabrication of solid oxide fuel cells: A review
Abstract Freeze-casting, also called ice-templating, is a promising method to produce hierarchically porous ceramics with aligned and directional pores. Additionally, freeze-casting offers strictExpand
Review on development of metal/ceramic interpenetrating phase composites and critical analysis of their properties
Abstract Metal/ceramic composites are in high demand in several industries because of their superior thermo-mechanical properties. Among various composite types, the interpenetrating phase compositesExpand
Intrinsic and extrinsic control of freeze casting
Abstract Freeze casting is a versatile material fabrication process that is known for its ability to create porous scaffold structures from effectively any constituent material. One of its advantagesExpand
The effect of processing parameters and solid concentration on the mechanical and microstructural properties of freeze-casted macroporous hydroxyapatite scaffolds.
The design and fabrication of macroporous hydroxyapatite scaffolds, which could overcome current bone tissue engineering limitations, have been considered and mechanical strength of the scaffolds increased as a function of initial concentration, cooling rate, and sintering temperature. Expand
On the development of ice-templated silicon carbide scaffolds for nature-inspired structural materials
Abstract The processing of ceramic scaffolds using the ice-templating, or freeze casting, technique provides a relatively simple means to mimic the hierarchical design of natural materials such asExpand


Evolution of Porosity by Freeze Casting and Sintering of Sol-Gel Derived Ceramics
Freeze cast of aqueous ceramic powder slurries is described as a versatile process to fabricate complex-shaped ceramic parts. Since freezing of aqueous sols or powder suspensions include theExpand
Effect of Polystyrene Addition on Freeze Casting of Ceramic/Camphene Slurry for Ultra‐High Porosity Ceramics with Aligned Pore Channels
We investigated the effect of polystyrene (PS) addition on the freezing behavior of a very dilute alumina/camphene slurry with an initial solid loading of 5 vol% for the fabrication of ultra-highExpand
Ceramics with Special Porous Structures Fabricated by Freeze‐Gelcasting: Using tert‐Butyl Alcohol as a Template
By a novel freeze-gelcasting technique, ceramic bodies with unidirectional ordered and gradient porous structures were fabricated, using tert-butyl alcohol (TBA)/acrylamide (AM)/alumina (Al2O3)Expand
Processing of cellular ceramics by foaming and in situ polymerisation of organic monomers
Abstract This paper describes studies on a new processing route for fabricating highly porous ceramics. The method is based on the generation of a foam from an aqueous suspension of ceramic powderExpand
Pore structure of porous ceramics synthesized from water-based slurry by freeze-dry process
A unique porous ceramic with complex pore structure was synthesized by the freeze-dry process. A water-based ceramic slurry was frozen while controlling the growth direction of ice, and sublimationExpand
Preparation of Porous Al2O3-Ceramics by Biotemplating of Wood
A new approach for preparing of microcellular ceramic materials is the reproduction of wood morphologies by biotemplating, where the structural features of the native wood are maintained in theExpand
Freeze casting of hydroxyapatite scaffolds for bone tissue engineering.
It is reported here how freeze casting can be applied to synthesize porous scaffolds exhibiting unusually high compressive strength, e.g. up to 145 MPa for 47% porosity and 65MPa for 56%porosity, which might open the way for hydroxyapatite-based materials designed for load-bearing applications. Expand
Fabrication of a Porous Bioactive Glass–Ceramic Using Room-Temperature Freeze Casting
The room-temperature freeze-casting method was used to fabricate porous bioactive glass-ceramics. In this method, a glass/ camphene slurry prepared at 60°C was cast into a mold at 20°C, resulting inExpand
Ice-mould freeze casting of porous ceramic components
Abstract Porous, hollow ceramic components were produced by freeze casting technique. For this purpose aqueous slurries with high solid contents were prepared which were stable against freezing downExpand
Freeze Casting of Ceramic Components Using Ice Cores and Ice Moulds
A novel shaping technique for advanced ceramic components is presented which allows manufacturing of complex ceramic components with enclosed cavities by using ice moulds or ice cores. DifferentExpand