Selection of furnace for vacuum atmosphere sintering | Supports degassing, oxidation suppression, and high purity processing.
Select the appropriate electric furnace according to the vacuum level and processing purpose.
In vacuum atmosphere sintering, the required pressure and furnace configuration vary depending on the purpose. For degassing and drying, a pressure range of several Pa to several hundred Pa is sufficient, while for oxidation suppression, vacuum pumping and N₂/Ar replacement are necessary, and for high-purity processing, high vacuum levels of 10⁻³ to 10⁻⁴ Pa may be required. Therefore, it is important to consider not only the simple condition of wanting to sinter in a vacuum but also the processing purpose, temperature range, residual O₂, amount of generated gas, materials inside the furnace, heater materials, exhaust system, and safety measures. This document organizes the necessary pressure guidelines, furnace type selection, and confirmation points that affect equipment specifications based on the purposes of vacuum atmosphere sintering. - For considerations of degassing, drying, and oxidation suppression - For considerations of sintering in high vacuum and high-purity atmospheres - For differentiating between metal furnaces, multi-furnaces, carbon furnaces, and tube furnaces - For organizing specifications and considering sintering tests before equipment installation
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basic information
DL Data Publication Content: Points for Selecting a Vacuum Atmosphere Sintering Furnace ■ Degassing and Drying: Check pressure range (a few Pa to several hundred Pa), gas generation amount, exhaust time, and sample quantity. ■ Oxidation Suppression: Check pressure range (a few Pa to low vacuum) with N₂/Ar, residual O₂, replacement procedure, and leak management. ■ High Purity Treatment: Check vacuum level (10⁻³ to 10⁻⁴ Pa), furnace material, outgassing, and heater material. ■ Reactivity Confirmation: Check combinations of temperature, time, pressure, and atmosphere. Guidelines for Furnace Type Selection ■ Metal Furnace: Suitable for high vacuum and high purity treatment in the range of 10⁻³ to 10⁻⁴ Pa. ■ Multi-Furnace: Suitable for degassing at around a few Pa, oxidation suppression, and atmosphere switching evaluation. ■ Carbon Furnace: Suitable for high-temperature treatment in vacuum or inert atmosphere, applicable for treatments over 2000°C. ■ Tubular Furnace: Suitable for vacuum plus gas replacement for small sample reactions and confirmations.
Price information
Estimates will be provided each time based on the type of furnace, vacuum level, temperature range, exhaust system, and safety measures.
Delivery Time
※It varies due to the arrival pressure, furnace dimensions, temperature range, exhaust system, furnace materials, and safety measures.
Applications/Examples of results
Recommended for such considerations. ■ Sintering, heat treatment, degassing, and drying in a vacuum atmosphere ■ Vacuum evacuation + N₂/Ar replacement for samples where oxidation needs to be suppressed ■ High-purity processing of metals, ceramics, substrates, jigs, and components ■ Degassing, brazing, diffusion treatment, and heat treatment in a high vacuum atmosphere ■ Confirmation of generated gases from powders, substrates, molded bodies, and jigs ■ Exploration of conditions for vacuum degree, temperature, processing time, and gas replacement procedures ■ Sintering tests before equipment installation, selection of furnace types, and examination of exhaust system specifications Consultations at the initial stage of consideration, such as "Is a few Pa sufficient, or is a 10⁻⁴ Pa level necessary?" or "I want to confirm which is more suitable, vacuum or N₂/Ar replacement," are also possible.
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Company information
Our company integrates three technologies: "electricity," "equipment," and "chemistry," using our unique know-how to develop innovative heating furnaces and other equipment. We handle various electric furnaces (heating furnaces) such as carbon furnaces, multi-atmosphere furnaces, metal furnaces, and chlorine furnaces, leveraging our proprietary high-temperature electric furnace technology. We are not just an equipment manufacturer; we are a strategic development partner that supports innovative manufacturing with advanced heating, looking ahead to the standards of the next decade alongside our customers.
