二级6-8型静高压装置厘米级腔体内置石墨加热组装的设计与实验研究

王强; 贺端威; 刘进; 刘方明; 丁未; 马迎功; 刘腾; 李媛媛; 吴京军; 张佳威; 寇自力

doi:10.11858/gywlxb.2017.05.002

二级6-8型静高压装置厘米级腔体内置石墨加热组装的设计与实验研究

doi: 10.11858/gywlxb.2017.05.002

王强^{1, 2,},
贺端威^{1, 2,*, ,},
刘进^{1, 2},
刘方明^{1, 2},
丁未^{1, 2},
马迎功^{1, 2},
刘腾^{1, 2},
李媛媛^{1, 2, 3},
吴京军^{1, 2},
张佳威^{1, 2},
寇自力¹

1.
四川大学原子与分子物理研究所，四川成都 610065
2.
四川大学高能量密度物理教育部重点实验室，四川成都 610065
3.
中国工程物理研究院流体物理研究所，四川绵阳 621999

基金项目:

国家自然科学基金 51472171

国家自然科学基金重大仪器研制项目 11427810

详细信息

作者简介:
王强(1990—)，男，硕士，主要从事大腔体静高压装置、超硬材料合成和材料的高压物性研究. E-mail:wangqiangwsrf@outlook.com

通讯作者:
贺端威(1969—)，男，博士，教授，主要从事大腔体静高压技术、超硬材料及高压下弹塑性行为的研究. E-mail:duanweihe@scu.edu.cn

中图分类号: O521.3
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出版历程
- 收稿日期: 2017-03-12
- 修回日期: 2017-04-13

Design and Experimental Research of the Graphite Heating Assembly of Centimeter-Size Chamber for Two-Stage 6-8 Type Multi-Anvil High Pressure Apparatus

WANG Qiang^{1, 2
,},
HE Duan-Wei^{1, 2,*
, ,},
LIU Jin^{1, 2},
LIU Fang-Ming^{1, 2},
DING Wei^{1, 2},
MA Ying-Gong^{1, 2},
LIU Teng^{1, 2},
LI Yuan-Yuan^{1, 2, 3},
WU Jing-Jun^{1, 2},
ZHANG Jia-Wei^{1, 2},
KOU Zi-Li¹

1.
Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China
2.
Key Laboratory of High Energy Density Physics and Technology of Ministry of Education, Sichuan University, Chengdu 610065, China
3.
Institute of Fluid Physics, CAEP, Mianyang 621999, China

摘要

摘要: 基于国产铰链式六面顶压机二级6-8型静高压装置，采用去尖3节式36/20结构，设计了一种“桥式”结构的石墨加热组装，通过高压原位温度测量获取加热功率与温度的对应关系，得到了稳定的p-T(2.5~10.4 GPa，0~1 650/1 800 ℃)区域。同时样品腔体直径可以达到13 mm，实现了厘米级大样品的高温高压制备。讨论了组装的电阻与温度之间的关系，并分析了电阻变化的原因。通过对样品烧结情况的表征，来反映腔体的温度分布情况。研究工作对基于国产铰链式六面顶压机的二级6-8型静高压装置的加热设计有一定的参考意义，并具有良好的实用性。
- 二级6-8型静高压装置 /
- 石墨加热组装 /
- 温度-功率关系 /
- 温度-电阻关系
Abstract: We designed a built-in graphite heating assembly, called "Bridge", based on a domestic 6-8 type static high pressure apparatus and using the cut-apex three-segment 36/20 assembly, and obtained the relationship between the heating power and the temperature using the high pressure in-situ measurement technology.We also achieved a stable p-T (2.5-10.4 GPa; 0-1 650/1 800 ℃) region.Moreover, we successfully synthesized a centimeter sample under high pressure and at high temperature, one that can reach 13 mm.We discussed the relation between the resistances of the assembly and the heating temperature, and analyzed the cause of the resistance change.The temperature distribution of the assemble was reflected by the characterization of the sample.This study will broaden the applicability of the domestic hinge-type cubic-anvil press 6-8 type static high pressure apparatus, and offer a better practicability.
- two stage 6-8 type static high pressure apparatus /
- graphite heating assembly /
- temperature-power relation /
- temperature-resistance relation

HTML全文

图 1 36/20石墨加热组装存在的问题

Figure 1. Problems of graphite heating installation in 36/20 assemble

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图 2 “桥式”结构石墨加热组装相关示意图

Figure 2. "Bridge" graphite heating installation in 36/20 assemble

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图 3 不同石墨加热组装相关示意图

Figure 3. Different graphite heating installations in 36/20 assemble

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图 4 温度标定的示意图

Figure 4. Temperature calibration

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图 5 不同压力下功率与腔体温度关系

Figure 5. Relation of heating power and temperature under different pressures

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图 6 不同组装的加热功率与腔体温度关系

Figure 6. Relation of heating power and chamber temperature in different assembles

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图 7 “桥式”加热组装可实现的稳定的p-T区域

Figure 7. p-T stable area of graphite heating installation in 36/20 assemble

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图 8 升温过程中电阻与温度的关系

Figure 8. Variation of resistance and temperature in temperature rise period

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图 9 降温过程中电阻与温度的关系

Figure 9. Variation of resistance and temperature in temperature fall period

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图 10 实验前后钼的X射线衍射图

Figure 10. X-ray diffraction spectra of molybdenum before and after experiment

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图 11 实验前后石墨各部分X射线衍射图

Figure 11. X-ray diffraction spectra of various graphite components before and after experiment

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图 12 石墨与钼反应导致电阻突变

Figure 12. Resistance mutation caused by graphite and molybdenum's reaction

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图 13 cBN烧结体距中心各点的硬度

Figure 13. Vicker's hardness of cBN compact at each point from the center

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二级6-8型静高压装置厘米级腔体内置石墨加热组装的设计与实验研究

doi: 10.11858/gywlxb.2017.05.002

作者简介: 王强(1990—)，男，硕士，主要从事大腔体静高压装置、超硬材料合成和材料的高压物性研究. E-mail:wangqiangwsrf@outlook.com

通讯作者: 贺端威(1969—)，男，博士，教授，主要从事大腔体静高压技术、超硬材料及高压下弹塑性行为的研究. E-mail:duanweihe@scu.edu.cn

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出版历程

Design and Experimental Research of the Graphite Heating Assembly of Centimeter-Size Chamber for Two-Stage 6-8 Type Multi-Anvil High Pressure Apparatus

计量

出版历程

目录

作者简介:
王强(1990—)，男，硕士，主要从事大腔体静高压装置、超硬材料合成和材料的高压物性研究. E-mail:wangqiangwsrf@outlook.com

通讯作者:
贺端威(1969—)，男，博士，教授，主要从事大腔体静高压技术、超硬材料及高压下弹塑性行为的研究. E-mail:duanweihe@scu.edu.cn