人工翡翠的高温高压合成及表征

胡艺 贺端威 胡启威 刘方明 刘银娟 王永坤 张瑜

胡艺, 贺端威, 胡启威, 刘方明, 刘银娟, 王永坤, 张瑜. 人工翡翠的高温高压合成及表征[J]. 高压物理学报, 2015, 29(4): 241-247. doi: 10.11858/gywlxb.2015.04.001
引用本文: 胡艺, 贺端威, 胡启威, 刘方明, 刘银娟, 王永坤, 张瑜. 人工翡翠的高温高压合成及表征[J]. 高压物理学报, 2015, 29(4): 241-247. doi: 10.11858/gywlxb.2015.04.001
HU Yi, HE Duan-Wei, HU Qi-Wei, LIU Fang-Ming, LIU Yin-Juan, WANG Yong-Kun, ZHANG Yu. Synthesis and Characterization of Jadeite-Jade under High Pressure and High Temperature[J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 241-247. doi: 10.11858/gywlxb.2015.04.001
Citation: HU Yi, HE Duan-Wei, HU Qi-Wei, LIU Fang-Ming, LIU Yin-Juan, WANG Yong-Kun, ZHANG Yu. Synthesis and Characterization of Jadeite-Jade under High Pressure and High Temperature[J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 241-247. doi: 10.11858/gywlxb.2015.04.001

人工翡翠的高温高压合成及表征

doi: 10.11858/gywlxb.2015.04.001
基金项目: 国家自然科学基金(51472171,11427810)
详细信息
    作者简介:

    胡艺(1990-),女,硕士研究生,主要从事大腔体静高压技术和高压材料物性研究. E-mail:h2j.love@163.com

    通讯作者:

    贺端威(1969-),男,博士,教授,博士生导师,主要从事高压科学与技术、超硬材料及纳米材料研究.Email:duanweihe@scu.edu.cn

  • 中图分类号: O521.2

Synthesis and Characterization of Jadeite-Jade under High Pressure and High Temperature

  • 摘要: 模拟天然翡翠成矿原理,采用优化的合成工艺,在高温高压下将非晶质的翡翠成分粉末转化为晶态翡翠,部分合成翡翠的质地温润细腻、色泽均匀,具有高档翡翠的品质。X射线衍射(XRD)物相分析和扫描电镜(SEM)显微分析结果表明:合成样品结晶矿物为硬玉,且结晶程度较好,晶粒细密,编织致密有序。拉曼光谱显示,合成翡翠的拉曼特征峰位与天然翡翠一致,且谱线尖锐,表明其结晶程度高。合成翡翠的硬度、密度和热稳定性等常规宝玉石参数也与天然翡翠接近。研究发现,在实验所采用的温度、压力范围内,温度对合成翡翠晶粒的生长和编织情况有很大的影响。

     

  • 图  实验组装示意图

    Figure  1.  Schematic of the experimental assembly

    图  玻璃质翡翠非晶块体及5.5 GPa、不同温度条件下合成的翡翠样品光学图像

    Figure  2.  Blocks of jadeite glass and optical images of jadeite samples synthesized under 5.5 GPa at different temperatures

    图  不同压力和温度条件下合成的翡翠样品的XRD谱

    Figure  3.  XRD spectra of the jadeite samples synthesized under different pressures and temperatures

    图  5.0 GPa、不同温度下合成翡翠的拉曼谱

    Figure  4.  Raman spectra of the jadeite synthesized under 5.0 GPa at different temperatures

    图  5.5 GPa、不同温度下合成翡翠的拉曼谱

    Figure  5.  Raman spectra of the jadeite synthesized under 5.5 GPa at different temperatures

    图  5.5 GPa、不同温度条件下合成翡翠断面的SEM图像(二次电子信号)

    Figure  6.  SEM images (secondary electron signal) of the jadeite synthesized under 5.5 GPa at different temperatures

    图  合成翡翠样品的DSC曲线

    Figure  7.  DSC curve of the synthetic jadeite

    表  1  合成翡翠与天然翡翠的物理特性

    Table  1.   Physical characteristics of synthetic and natural jadeite

    Material Density/
    (g/cm3)
    Mohs hardness
    scale
    Synthetic jadeite 3.26-3.35 6.7-6.9
    Natural jadeite 3.30-3.46 6.5-7.0
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出版历程
  • 收稿日期:  2015-01-14
  • 修回日期:  2015-02-06

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