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A NEW KIND OF MULTI-TASK MATERIALS PROCESSING FACILITY FOR SPACE APPLICATIONS

机译：一种适用于空间应用的新型多任务材料处理设备

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摘要

This paper reports on a new materials processing facility for the synthesis of single crystals in space under microgravity. The facility was developed for utilization onboard the Chinese "ShenZhou" series spacecrafts, with the capability of programmable specimen exchange for multiple tasks. It consists of three main parts, a furnace, a specimen management system and a controller. The furnace is designed for single crystal synthesis by the Bridgman method, with a maximum temperature of 1000℃ and a maximum temperature gradient of 70℃/cm. The sample management system consists of a sample magazine, a sample exchange assembly and a sample translation assembly. The controller is a programmable microprocessor system of duel functions for system operational control and for data acquisition. The facility is able to perform multiple tasks during one launch mission, for example processing different materials such as semiconductors, oxide crystals, metals and alloys. The size of the sample cartridge that can be processed is φ22 x 260 mm in cylindrical shape. The average power consumption of the furnace is less than 75 watts. The functionality of the facility has been validated in one mission with 6 crystal growth experiments.
机译：本文报道了一种用于在微重力下合成空间中的单晶的新材料加工设备。该设施是为在中国“深圳”系列航天器上使用而开发的，具有可编程标本交换功能，可完成多项任务。它由三个主要部分组成，一个熔炉，一个标本管理系统和一个控制器。该炉设计用于通过Bridgman方法进行单晶合成，最高温度为1000℃，最高温度梯度为70℃/ cm。样品管理系统由样品库，样品交换组件和样品翻译组件组成。该控制器是具有双重功能的可编程微处理器系统，用于系统操作控制和数据采集。该设施能够在一次发射任务中执行多项任务，例如处理不同的材料，例如半导体，氧化物晶体，金属和合金。可以处理的样品盒的尺寸为φ22x 260 mm。熔炉的平均功耗小于75瓦。该设施的功能已通过6个晶体生长实验的一项任务得到验证。

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