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首页> 外文会议>Seminar on New Trends in Research of Energetic Materials >Putting the squeeze on energetic co-crystals: High-pressure studies of 2(CL-20):HMX and CL-20:TNT
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Putting the squeeze on energetic co-crystals: High-pressure studies of 2(CL-20):HMX and CL-20:TNT

机译：挤压高能共晶体：2（CL-20）：HMX和CL-20：TNT的高压研究

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Two energetic co-crystal systems - 2(CL-20):HMX, and CL-20:TNT- have been investigated under pressure using neutron powder diffraction on the PEARL beamline at the ISIS Neutron Source in Harwell, Oxfordshire; and the results compared in this paper. As reported in last year's conference, 2(CL-20):HMX was prepared with a ResoDyn LabRAM Resonant Acoustic Mixer using a published method. Smooth compression was observed in this system up to 3.5 GPa, and equations of state were determined, with no observed phase transitions in this pressure range. The bulk modulus of this co-crystal was determined to be intermediate to that of its co-formers. Conversely - anisotropic compression was observed in CL-20:TNT, with a potential phase transition occurring at 4.1 GPa. Structures were refined for each pressure point, and used to derive an equation of state up to 3.6 GPa. In this case, however, the bulk modulus for CL-20:TNT was found to be greater than that of its co-formers.
机译：在牛津郡哈维尔的ISIS中子源，在PEARL光束线上使用中子粉末衍射在压力下研究了两个高能共晶系统2（CL-20）：HMX和CL-20：TNT。并将结果与​​本文进行比较。如去年的会议所报道，2（CL-20）：HMX是使用ResoDyn LabRAM共振声混合器使用已公开的方法制备的。在该系统中观察到高达3.5 GPa的平稳压缩，并确定了状态方程，在该压力范围内没有观察到相变。该共晶体的体积模量被确定为在其共形成体的体积模量的中间。相反，在CL-20：TNT中观察到各向异性压缩，潜在的相变发生在4.1 GPa。对每个压力点的结构进行了优化，并用于导出高达3.6 GPa的状态方程。但是，在这种情况下，发现CL-20：TNT的体积模量大于其共成型剂的体积模量。

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