| 变温/变压四探针测试仪的研制及应用 |
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| 引用本文： | 翟俊学,张保岗,张萍,赵树高.变温/变压四探针测试仪的研制及应用[J].实验室研究与探索,2011,30(3):27-29. |
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| 作者姓名： | 翟俊学 张保岗 张萍 赵树高 |
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| 作者单位： | 青岛科技大学,橡塑材料与工程教育部重点实验室,山东省橡塑材料与工程重点实验室,山东,青岛,266042 |
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| 摘 要： | 为了便于测试导电聚合物在变温、变压条件下的电阻率,更好地满足高分子物理实验教学和科研需要,设计制作了塑料封装四探针、金属/陶瓷组装四探针,并与控温装置、加压装置和测试装置组装成为一套具备变温、变压测试功能的电阻率测试仪。结果发现,由金属针、陶瓷、中空铝制或铜制承压件、金属导线等组成的金属/陶瓷组装四探针,具有耐高温、成本低、便于变压/变温测试等特点。将其用于EPDM/石墨复合导电材料的压阻和温阻行为测试,发现该材料表现出明显的负温度系数效应和较宽压力范围内的电阻响应,能够用于研究导电橡胶的多种导电行为及其导电机理。
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| 关 键 词： | 四探针 电阻率 变温测试 变压测试 |
Development of Temperature/Pressure Controlling Four-Probe System and Its Application |
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| ZHAI Jun-xue,ZHANG Bao-gang,ZHANG Ping,ZHAO Shu-gao.Development of Temperature/Pressure Controlling Four-Probe System and Its Application[J].Laboratory Research and Exploration,2011,30(3):27-29. |
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| Authors: | ZHAI Jun-xue ZHANG Bao-gang ZHANG Ping ZHAO Shu-gao |
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| Institution: | ZHAI Jun-xue,ZHANG Bao-gang,ZHANG Ping,ZHAO Shu-gao(Key Laboratory of Rubber-Plastics of Ministry of Education,Shandong Provincial Key Laboratory of Rubber-plastics,Qingdao University of Science Technology,Qingdao 266042,China) |
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| Abstract: | In order to meet the needs of experimental teaching and research for polymer physics,a kind of plastic packaging four-probe and metal/ceramic packaging four-probe were designed,and assembled with temperature/pressure controlling units to be a set of multi-usage electrical-resistivity testing system.The metal/ceramic packaging four-probe is composed of metal probes,ceramic/aluminum/copper parts and metal lines so as to be used in high temperature and high pressure.The application results on piezoresistive be... |
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| Keywords: | four-probe system electrical resistivity temperature-controlling test pressure-controlling test |
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