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首页> 外文会议>International Conference on Powder Metallurgy Particulate Materials >In-situ characterization and process control of temperature within Vacuum retort furnaces using a non-electronic ceramic device
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In-situ characterization and process control of temperature within Vacuum retort furnaces using a non-electronic ceramic device

机译：使用非电子陶瓷装置的原位表征和对真空蒸煮器内的温度的过程控制

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When sintering Powder Metal parts, a key process variable that must be controlled is temperature. Temperature plays a vital role in developing many of the final properties in a quality part. In vacuum retort furnaces, the transfer of thermal energy from the heat source into the load is known to occur from the outside into the center. To achieve temperature uniformity, a hold is programmed into the thermal cycle at peak temperature. Measurement of the temperature and uniformity of temperature in such a furnace using thermocouples is cumbersome to install and the thermocouples have a finite lifespan, making replacement costly and necessary. In some situations, it is not possible to run thermocouples within the furnace when producing parts. The purpose of this presentation is to present the results of evaluating an alternative method for assessing the furnace temperature and uniformity. The device, TempTAB, has a high degree of shrinkage that has been characterized in a lab setting so that the shrinkage can be converted to a corresponding temperature. Data, gathered from experimental furnace runs, will be presented at temperatures between 1200C and 1400C at various hold times.
机译：当烧结粉末金属部件时，必须控制的关键过程变量是温度。温度在在质量部分的发展中的许多最终性质方面发挥着至关重要的作用。在真空蒸煮炉中，已知从外部进入中心的热能从热源转移到负载中。为了实现温度均匀性，保持在峰值温度下的热循环中。使用热电偶的这种炉中温度的温度和均匀性的测量非常麻烦，安装，热电偶具有有限的寿命，使更换昂贵且必要。在某些情况下，在生产部件时不可能在炉内运行热电偶。该呈现的目的是介绍评估用于评估炉温和均匀性的替代方法的结果。该装置Temptab具有高度的收缩，其特征在实验室设置中，使得收缩可以转换为相应的温度。从实验炉的运行中收集的数据将在120℃和140℃的温度下呈现各种保持时间。

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