Sinter-HIP Furnace,High Temperature Sintering Furnace,High Vacuum Sintering Furnace, China Sinter-HIP Furnace,High Temperature Sintering Furnace,High Vacuum Sintering Furnace Supplier and Manufacturer
Tungsten powder is blended with carbon (lampblack) and converted to tungsten carbide usually in induction furnaces at temperatures from 1300 to 1500° C (2400 to 2800° F). The sintering operations can be conducted in either resistance or induction type furnaces of stainless steel construction and water cooled.
Sintered Silicon Carbide. InVinCer™ by Blasch Ultron™ Sintered Silicon Carbide(SSiC) is produced using very fine silicon carbide powder containing sintering additives. It is processed using forming methods typical for other ceramics and sintered at 2,200°C in an inert gas atmosphere.
For hard alloys containing cubic tungsten carbide, a closed hole appears between 1430 and 1480 degrees Celsius. In terms of operating cost, the operating cost of sintering equipment with equivalent production capacity is much higher than that of vacuum sintering furnace.
Effect of Sintering Atmosphere on The Mechanical Properties of Sintered Tungsten Carbide Article (PDF Available) in MATEC Web of Conferences 130(3–4):03006 · January 2017 with 315 Reads
In this research, tungsten carbide with minor addition of TiC and TiN as the second phase has been studied. The powders were ball-milled and pre-formed under a temperature of 200 8C and a pressure of 130 MPa. The specimens were sintered in a graphite lined furnace at a temperature of 1600 8C.
the case of conventional vacuum sintering without external pressure, while temperatures around 1750°C–1900°C4,5 were necessary in the case of pressure sintering techniques such as hot pressing or hot isostatic pressing. In case of sintering above 1700°C (left side Fig. 3), to maintain ﬁne microstruc-
Pusher furnaces – aka skillet furnaces – are represented in many processes. We at CREMER have specialised in processes under inert or reduced atmosphere. Thus, we use pusher furnace technology for reducing, sintering, carburisation, and calcination. In this process, the parts lying on charge carriers are pushed through the furnace.
Jun 07, 2005 · Microwave sintering of Ni-electrode MLCCs was conducted in an intermediate reducing atmosphere of ~pO2 x 10-6 atm. The X7R MLCC chips were sintered well at a temperature around 1250°C (2280°F), resulting in dense, uniform parts without any delaminations or cracks.
What is "Sintering or Sinter-HIPing"? Sintering is the process in which the tungsten carbide grains are fused into the cobalt matrix by heating the green material (carbide that has not been sintered is called green) to a high temperature.
Features and Benefits: High Temperature Vacuum Sintering Furnace is used in Sm-Co, AlNiCo, metal mesh, cemented carbide, ceramic materials, photoelectric coating materials, graphite purification, magnet material and rare refractory metals, alloys (tungsten, Mo, W-Cu alloy) vacuum sintering process, also support atmosphere sintering.
The use of microwaves to process absorbing materials was studied intensively in the 1970s and 1980s, and has now been applied to a wide variety of materials1,2,3,4. Initially, success in microwave
Tubular furnace for sintering oxide ceramics in air atmosphere or for sintering metal, carbide and nitride in vacuum atmosphere. Available maximum temperature : 1400°C or 1700°C. Tube outer diameter : 40 mm or 100 mm. Power : 3.5 kW - 220 V -16 A. Tube length : 600 mm total but only 200 mm with suitable temperature control (+/-10°C)
Carbide vacuum sintering. Liquid phase sintering of hard alloy, the binder phase in the liquid phase conditions. The compact in the vacuum furnace heated to 1350 ℃, 1600 ℃. Sintered compact line shrinkage rate of about 18%, volume shrinkage at about 50%, the accurate value of shrinkage depends on the granularity of powder and alloy composition.
Advanced Cemented Carbides for Powder Metal Tooling Applications Dr. Leonid I. Frayman Chief Metallurgist 41th Anniversary 1968-2009 Presented at MPIF "PM Compacting & Tooling"
Originally designed and developed in the early 1970's for the debinding and sintering of Tungsten Carbide materials with wax or PEG binder systems, the Sintervac AM takes this heritage and improves on the proprietary Sweepgas binder removal system offering a furnace that can debind in both partial pressures or positive pressures of Argon, Nitrogen, or Forming Gas depending on the customer's choice of binders.
The most widely used mold materials for optical glass molding processes are cemented tungsten carbide and silicon carbide. In this research, tungsten carbide with minor addition of TiC and TiN as the second phase has been studied. The powders were ball-milled and pre-formed under a temperature of 200°C and a pressure of 130MPa. The specimens were sintered in a graphite lined furnace at a temperature of 1600°C.
set-up is presented elsewhere . Inert atmosphere was maintained during sintering process by ﬁrst creating a vacuum of 8–10 Torr inside the furnace by back ﬁlling ultra high purity (UHP) nitrogen. Throughout the sintering, nitrogen gas ﬂow was maintained at 2 L min 1. To avoid additional distortions in electromagnetic ﬁeld
The sintered silicon carbide material is formed by sintering atomic crystals composed of strong covalent bonds of Si-C and flexible carbon at 2100 ° C in a vacuum sintering furnace, corresponding to new energy, chemical, shipbuilding, scientific research and defense military technology.
Alumina formulations that work perfectly adequately in air firings – even at higher temperatures – may perform disastrously in the punishing hydrogen-atmosphere cycles of high-temperature PM sintering furnaces. Conclusion Hydrogen-atmosphere furnaces, especially those operated above about 1350°C (2462°F), are very useful for sintering many high-end alloys and ceramic/metallic compositions, but the demands placed on refractory are formidable.