Reproduced well with 'extremely low oxygen × high temperature × vacuum replacement.' Short cycle tests for N2-based solid-phase nitriding, surface nitriding, and layer growth.
The "carbon furnace" we handle is suitable for basic reaction tests of nitriding. Since the reaction initiation temperature is high with N2 alone, balancing grain growth and coarsening is difficult, and during cooling, surface reoxidation occurs, leading to variations in color, resistance, and hardness. Our product addresses these challenges. Additionally, we have a track record of manufacturing furnaces at mass production scales, not just small units. Please feel free to contact us when you need assistance. 【Reasons Why Our Carbon Furnace is Effective】 ■ Creates an extremely low oxygen partial pressure - Gradually lowers the oxygen potential through vacuum pumping and N2 replacement - The carbon in the furnace material absorbs residual O2, suppressing oxidation side reactions ■ Quickly reaches sufficient high-temperature ranges - Achieves and maintains temperatures from 1400 to 2400°C in a short time ■ Short cycle for condition setting - Allows simultaneous evaluation of multiple samples with tray flexibility/shelf configuration, making it easier to verify the effects of thickness and contact *For more details, please feel free to contact us.
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basic information
【Regarding such issues】 ■ The competition between oxidation and nitridation due to trace O2 contamination leads to a decrease in the phase purity of TiN/ZrN. ■ The reaction initiation temperature is high with only N2, making it difficult to balance grain growth and coarsening. ■ Surface re-oxidation during cooling leads to variations in color tone, resistance, and hardness. ■ Differences in sample placement and fixtures result in inconsistent results even under the same conditions. *For more details, please feel free to contact us.
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Applications/Examples of results
【Usable Experiment/Process Examples】 ■ Solid-phase nitriding of TiN/ZrN/AlN/Si3N4 (powder mixing/coating) ■ Surface nitriding/layer growth tests for metal and ceramic substrates ■ Re-nitriding/recrystallization annealing (stabilization of resistance, hardness, and color tone) ■ Nitriding pretreatment/post-treatment: deoxidation, desorption, grain growth control *For more details, please feel free to contact us.
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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.
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