A slider for walking heating furnace
A technology of walking heating furnace and slider, which is applied in the direction of heat treatment furnace, furnace, furnace type, etc., can solve the problems of low oxidation resistance and corrosion resistance, high cost of heating furnace slider, low creep resistance, etc. Achieve improved performance, excellent thermal shock resistance, and good sliding friction
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Embodiment 1
[0027] Embodiment one: the preparation method of the slide block that is used for walking type heating furnace comprises the following steps:
[0028] A. Will Al 2 o 3 95 parts, TiC 6 parts, WO 3 1 copy, Y 2 o 3 Rare earth compound additive 4 parts, BeO 0.1 part, ZrB 2 0.1 part, 0.2 part of TiN, and 95.5 parts of liquid wet mixture (absolute ethanol and anhydrous methanol can be used) are loaded into the ball mill in turn, and ball milled for 72 hours until the diameter of the powder is 2-4um. Water ethanol, obtain powder material, powder material is crushed, sieved, preserve for subsequent use;
[0029] B. Put the finished powder into the mold on the upper layer of the slider, and use isostatic pressing to form it. The pressure is 150MPa. Roughly process the formed ceramic parts, and put the processed semi-finished products into a high-temperature furnace. Sintering, from room temperature to 1400°C, heating rate 50°C / min, keep at 1400°C for 2-2.5 hours; then rise fro...
Embodiment 2
[0031] Embodiment two: the preparation method of the slider of this walk-in heating furnace comprises the following steps:
[0032] A. Will Al 2 o3 97 parts, TiC 8 parts, WO 3 1.5 copies, Y 2 o 3 Rare earth compound additive 7 parts, BeO 0.15 part, ZrB 2 0.1 part, 0.1 part of TiN, 135 parts of liquid wet mixture (absolute ethanol and anhydrous methanol can be used) are loaded into the ball mill in turn, and ball milled for 72 hours until the diameter of the powder is 2-4um, then the slurry is vacuum-dried to remove Water ethanol, obtain powder material, powder material is crushed, sieved, preserve for subsequent use;
[0033] B. Put the prepared powder into the mold on the upper layer of the slider, and use isostatic pressing to form it. The pressure is 180MPa. Roughly process the formed ceramic parts, and put the processed semi-finished products into a high-temperature furnace. Sintering, from room temperature to 1400°C, heating rate 50°C / min, keep at 1400°C for 2-2.5...
Embodiment 3
[0035] Embodiment three: the preparation method of the slider for the walking heating furnace comprises the following steps:
[0036] A. Will Al 2 o 3 86 parts, TiC 3 parts, WO 3 4 copies, Y 2 o 3 2 parts of rare earth composite additives, 0.2 parts of BeO, and 96 parts of liquid wet mixture (absolute ethanol and anhydrous methanol can be used) are sequentially loaded into the ball mill, and ball milled for 72 hours until the diameter of the powder is 2-4um, and then the slurry is vacuumed. Dry and remove absolute ethanol to obtain powder, crush and sieve the powder, and store for later use;
[0037] B. Put the prepared powder into the mold on the upper layer of the slider, and use isostatic pressing to form it. The pressure is 160MPa. Roughly process the formed ceramic parts, and put the processed semi-finished products into a high-temperature furnace. Sintering, from room temperature to 1400°C, heating rate 50°C / min, keep at 1400°C for 2-2.5 hours; then rise from 1400...
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