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公开(公告)号：KR100838043B1
公开(公告)日：2008-06-12
申请号：KR1020060055615
申请日：2006-06-20
Applicant: 한국교통대학교산학협력단 , 한국지질자원연구원
Abstract: 본 발명은 용융금속 회전저항 계측시스템 및 그 방법에 관한 것으로, 그 목적은 가열로로 가열된 도가니 내에 모재 금속 단독 또는 모재에 혼입되는 혼입재(또는 강화재)를 혼합 후 가열, 용융하여 일정온도에서 일정 규격으로 설계 제작된 교반자를 계획된 회전속도로 회전시켜 교반자와 용융금속 간의 표면마찰저항을 정밀하게 계측함으로써 용융금속 및 혼입재 투입 후의 변화된 점도를 실시간으로 비교 검출할 수 있는 장치 및 그 방법을 제공하는 데 있다.
본 발명의 구성은 도가니 내에 모재 금속 단독 또는 모재에 혼입되는 혼입재를 혼합 후 가열, 용융하여 일정온도에서 일정 규격으로 설계 제작된 교반자를 계획된 회전속도로 회전시키면서 교반자를 회전시키는 서보-모터에 걸리는 미소한 부하로 인한 서보 모터의 소비전력(전류) 변화량을 측정하여 용융금속의 점도변화를 검출하는 방법 및 이를 수행하는 장치 수단을 그 기술적 사상의 특징으로 한다.
점도, 용융금속, 회전저항, 계측시스템, 교반자-
公开(公告)号：KR1020070120838A
公开(公告)日：2007-12-26
申请号：KR1020060055615
申请日：2006-06-20
Applicant: 한국교통대학교산학협력단 , 한국지질자원연구원
Abstract: A system and a method for measuring rotation resistance of molten metal are provided to detect viscosity changed after mixing of molten metal and a mixed material in real time by rotating a stirrer at a predetermined speed and by measuring surface friction resistance between the stirrer and the molten metal. A system for measuring rotation resistance of molten metal including an alloy manufacturer equipped with a furnace heating a crucible, the crucible filled with molten metal and a mixing material and a stirrer stirring molten metal with the mixing material, comprises: a stirrer(7) rotatably stirring molten metal inside the crucible, a coupling(8) connecting a motor shaft with a shaft of the stirrer, a servo-motor(9) controlling a rotation speed of the stirrer, a funnel(11) installed in an upper portion of the hollow shaft, which puts powder or chip-type components for mixed alloy to molten metal through the stirrer, a fixing jig(12) fixing the servo-motor, a thermocouple which is a temperature measurer used for maintaining a temperature of the furnace, a thermocouple which is a temperature measurer used for maintaining a temperature of the crucible, a controller equipped with a servo-motor driver, a temperature control indicator, an electric furnace controller and so on, and a data acquisition system connected with the controller, which includes a computer and software for acquiring and storing acquisition data.
Abstract translation: 提供一种用于测量熔融金属的旋转阻力的系统和方法，以通过以预定速度旋转搅拌器并通过测量搅拌器和熔融物之间的表面摩擦阻力来实时检测熔融金属和混合材料混合后的粘度变化 金属。 一种用于测量熔融金属的旋转阻力的系统，包括装配有加热坩埚的炉的合金制造商，填充有熔融金属的坩埚和混合材料以及与混合材料一起搅拌熔融金属的搅拌器的系统，包括：搅拌器（7） 在坩埚内搅拌熔融金属，将马达轴与搅拌器的轴连接的联轴器（8），控制搅拌器转速的伺服马达（9），安装在搅拌器的上部的漏斗（11） 空心轴，其通过搅拌器将用于混合合金的粉末或片状部件用于熔融金属，固定伺服电动机的固定夹具（12），作为用于保持炉的温度的温度测量器的热电偶， 热电偶，其是用于维持坩埚温度的温度测量器，配备有伺服电动机驱动器，温度控制指示器，电炉控制器等的控制器，以及数据采集 与控制器连接的系统系统，包括用于获取和存储采集数据的计算机和软件。
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公开(公告)号：KR100736713B1
公开(公告)日：2007-07-09
申请号：KR1020060055616
申请日：2006-06-20
Applicant: 한국교통대학교산학협력단 , 한국지질자원연구원
Abstract: A mixing material injection system is provided to uniformly improve the structure of a mixture of molten metal and a mixing material, and prepare a material with excellent physical properties and mechanical properties by injecting powder or chips of a component that is mixed with molten metal during stirring into molten metal. An injection system of a mixing material for alloy manufacturing comprises a stirrer(7), a shaft connecting coupling(8), a servo motor(9), a funnel(11), and a fixing jig(12), wherein a semicircular cross-sectional shaped helix is processed in a hollow portion of the servo motor from a rotational direction to a downward direction to promptly inject a powder or chip type component into molten metal inside a crucible(5) along a spiral steel wire without loss of the component such that the component is mixed with the molten metal, and vanes with width corresponding to 1/2 hollow cross-sectional shaped diameter of the stirrer are attached to an inner part of a hollow shaped stirrer to accurately compare and detect viscosity changes of molten metal by promptly stirring molten metal and an input component, thereby increasing the rotary resistance.
Abstract translation: 提供混合材料注入系统以均匀地改善熔融金属和混合材料的混合物的结构，并且通过在搅拌期间注入与熔融金属混合的组分的粉末或碎片来制备具有优异物理性质和机械性能的材料 进入熔融金属。 一种用于合金制造的混合材料注射系统，包括搅拌器（7），轴连接接头（8），伺服电机（9），漏斗（11）和固定夹具（12），其中半圆形横截面 - 在伺服马达的中空部分中从旋转方向向下方向加工截面形状的螺旋，以便沿着螺旋钢丝迅速地将钽粉末或碎片型部件沿着螺旋钢丝注入坩埚（5）内的熔融金属中而不损失部件 使得该组分与熔融金属混合，并将具有与搅拌器的1/2空心横截面直径相对应的宽度的叶片附接到中空形搅拌器的内部部分，以准确地比较和检测熔融金属的粘度变化 通过迅速搅拌熔融金属和输入部件，从而增加旋转阻力。
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公开(公告)号：KR100728178B1
公开(公告)日：2007-06-13
申请号：KR1020060006114
申请日：2006-01-20
Applicant: 한국교통대학교산학협력단
IPC: H01L35/14
Abstract: A method for producing Ba8Al16Si30 clathrate thermoelectric material is provided to improve thermoelectric properties comprising seeback coefficient or factor and electric conductivity by properly selecting annealing conditions. Ba element, Al element, and Si element are prepared as start material, and the start materials are blended to make a compound. The compound is arc-molten to produce Ba8Al16Si30. For homogenization of a phase and phase change, the molten material is annealed at the temperature of 700 deg.C. The annealing process is carried out during 5 hours.
Abstract translation: 提供一种制备Ba8Al16Si30包合物热电材料的方法，以通过适当选择退火条件来改善包括返回系数或因子和电导率的热电性质。 准备Ba元素，Al元素和Si元素作为起始材料，并将起始材料混合以制成化合物。 该化合物被电弧熔融以生产Ba8Al16Si30。 为了均匀化相和相变，将熔融材料在700℃的温度下退火。 退火过程在5小时内进行。
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