Sintering Setters
Summary
C12 Sintering Setters include porous magnesia, alumina, and ZrO2 -coated magnesia plates, all of which are available as setter and cover plate variants. In addition to creating a level firing surface for technical ceramic parts, these porous plates are designed to vent gases that are generated during the sintering process to avoid damaging fired parts.
Description - Porous Magnesia Plates
C12 Porous Magnesia Plates are ideal for sintering solid oxide fuel cells (SOFC), electrolyte substrates, orthopedic or dental ceramics, and for debinding and sintering metal injection molded (MIM) components. In addition to keeping parts flat and distortion-free, C12 Porous Magnesia Plates provide a smooth, non-reactive porous surface that prevents sticking and cracking. C12 Porous Magnesia Plates are highly planar, and have a porosity of about 38% which permits gasses that evolve during sintering to pass easily through the plate. Composed of high purity (99.4%) magnesium oxide, C12 Porous Magnesia Plates remain inert and non-reactive at high temperatures where other materials fail. Due to the fact that MgO has a melting temperature which is significantly higher than any other common oxide ceramic (>3100 K), C12 Porous Magnesia Plates resist warping better than standard alumina plates, and typically have a longer service life. C12 Porous Magnesia Plates can be used in conjunction with C12 Separator Powder Sheets (SPS) to help prevent sticking and damaging delicate green parts.
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C12 Porous Magnesia Plates are ideal for preventing sticking, cracking and “setter drag” problems.
Advantages
♦ Prevents sticking, cracking and “setter drag” problems.♦ Resists warping, better mechanical strength than standard porous alumina plates.
♦ Higher service temperatures (over 1600 C), and longer service life.♦ Provides non-reactive, high temperature support where other materials fail.♦ Highly planar, dust-free, particle-free surface.♦ Remains electrically insulating at high temperatures.♦ Plates can be easily cut to size with laser or waterjet.♦ Better thermal shock resistance than alumina.
♦ C12 Porous Magnesia Plates are available in a range of standard sizes and thickness. Custom sizes and thickness are available on request.
Description - Porous Alumina Plates
C12 Porous Alumina Cover Plates make ideal lightweight cover or setter plates for debinding and sintering green ceramic tapes, Low Temperature Co-fired Ceramics (LTCC), electronic substrates with precious metal thickfilms, Metal Injection Molded (MIM) components, dental ceramics, sensor membranes, and 3D printed components. In addition to keeping parts flat and distortion-free, C12 Porous Alumina Plates provide a smooth, non-stick porous surface that prevents cracking and “setter drag”. C12 Porous Alumina Plates can be supplied in almost any custom size or shape. C12 Porous Alumina Cover Plates are available with a gross density of about 2.65 g/cm3 and thickness ranging from 1mm to 2mm.
C12 Porous Alumina Cover Plates are highly planar, and have a porosity of about 38% which permits gasses that evolve during sintering to pass easily through the plate, while keeping parts flat and distortion-free. Composed of high purity (99.5%) aluminum oxide, C12 Porous Alumina Cover Plates will not stain contact surfaces. C12 Porous Alumina Cover Plates can be used in conjunction with C12 Separator Powder (SPS) Sheets to help prevent sticking and damaging ceramics with precious metal thick films. Other custom porous cover plate materials, including magnesium oxide (MgO) and zirconia, are available upon request.
C12 Porous Alumina Cover Plates are highly planar, and have a porosity of about 38% which permits gasses that evolve during sintering to pass easily through the plate, while keeping parts flat and distortion-free. Composed of high purity (99.5%) aluminum oxide, C12 Porous Alumina Cover Plates will not stain contact surfaces. C12 Porous Alumina Cover Plates can be used in conjunction with C12 Separator Powder (SPS) Sheets to help prevent sticking and damaging ceramics with precious metal thick films. Other custom porous cover plate materials, including magnesium oxide (MgO) and zirconia, are available upon request.
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Description- Porous ZrO2 Coated Magnesia Plates
C12 Porous ZrO2-Coated Magnesia Plates are ideal for heat treating and sintering solid oxide fuel cell (SOFC) components, Li-ion battery components, hard and soft ferrites, piezoelectric ceramics, zinc oxide and titanate-based capacitors, metal injection molded (MIM) components, and other components that are chemically incompatible with conventional setters.
Setters containing alumina or silica (SiO2) have adverse chemical reactions with many important technical materials including lithium-based solid electrolytes used in batteries, solid oxide fuel cell (SOFC) components that contain lanthanides and transition metals, nickel manganese compositions used in ferrites, piezoelectric ceramics and capacitors, dental zirconia, metal injection molded (MIM) compositions, and alloys that contain titanium or tungsten. Alumina-based setters also have poor thermal shock resistance and a tendency to exhibit excessive thermal creep or “slumping” at temperatures higher than about 1500°C, particularly in the porous form.
In addition to keeping parts flat and distortion-free, C12 ZrO2-Coated MgO Plates provide a smooth, non-reactive porous surface that prevents sticking and cracking. C12 ZrO2-Coated MgO Plates are highly planar, and have a porosity of about 38% which permits gasses that evolve during sintering to pass easily through the plate. C12 ZrO2-Coated MgO Plates are composed of a high purity MgO core with a patented ZrO2 coating on each face that will not delaminate or spall, even after repeated use.
Due to the fact that MgO has a melting temperature which is significantly higher than any other common oxide ceramic (>3100 K), C12 ZrO2-Coated MgO Plates resist warping better than standard alumina or other stabilized zirconia plates, and typically have a longer service life.
Setters containing alumina or silica (SiO2) have adverse chemical reactions with many important technical materials including lithium-based solid electrolytes used in batteries, solid oxide fuel cell (SOFC) components that contain lanthanides and transition metals, nickel manganese compositions used in ferrites, piezoelectric ceramics and capacitors, dental zirconia, metal injection molded (MIM) compositions, and alloys that contain titanium or tungsten. Alumina-based setters also have poor thermal shock resistance and a tendency to exhibit excessive thermal creep or “slumping” at temperatures higher than about 1500°C, particularly in the porous form.
In addition to keeping parts flat and distortion-free, C12 ZrO2-Coated MgO Plates provide a smooth, non-reactive porous surface that prevents sticking and cracking. C12 ZrO2-Coated MgO Plates are highly planar, and have a porosity of about 38% which permits gasses that evolve during sintering to pass easily through the plate. C12 ZrO2-Coated MgO Plates are composed of a high purity MgO core with a patented ZrO2 coating on each face that will not delaminate or spall, even after repeated use.
Due to the fact that MgO has a melting temperature which is significantly higher than any other common oxide ceramic (>3100 K), C12 ZrO2-Coated MgO Plates resist warping better than standard alumina or other stabilized zirconia plates, and typically have a longer service life.
C12 Porous ZrO2-Coated Magnesia Plates are available in a range of standard sizes and thickness, and custom sizes are also available.
C12 Porous ZrO2-Coated Magnesia Plates are ideal for preventing sticking, cracking and “setter drag” problems during sintering.
Advantages and Applications
■ Prevents sticking, cracking and “setter drag” problems.■ Resists warping, better mechanical strength than standard porous alumina plates.■ Higher service temperatures (over 1600oC), and longer service life.■ ZrO2 coating will not delaminate or crack.■ Provides non-reactive, high temperature support where other materials fail.■ Highly planar, dust-free, particle-free surface.■ Remains electrically insulating at high temperatures.■ Plates can be easily cut to size.■ Better thermal shock resistance than alumina.■ Patented coating technology