Note: Modified anvil design for improved reliability in DT-Cup experiments.
Note: Modified anvil design for improved reliability in DT-Cup experiments.
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DOI：
10.1063/1.5005885
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发表时间：
2017-12
期刊：
影响因子：
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通讯作者：
S. Hunt;D. Dobson
中科院分区：
文献类型：
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作者：
S. Hunt;D. Dobson
变形T杯（DT杯）是一种改进的6-8多砧装置，能够在大于18 GPa的压力下进行受控应变率变形实验。控制应变速率变形，使两个八立方的“第二阶段”砧与六边形横截面变形砧和修改的“第一阶段”楔。然而，通过这些修改，大约三分之二的实验以六边形砧的破裂结束。通过用立方体砧座和分裂的变形楔形延伸件替换六边形砧座，我们恢复了原始多砧座设计中固有的对变形砧座的大量支撑，并防止变形砧座失效。通过改进部件，DT-髋臼杯的实验成功率与标准静液压6-8多砧装置相似。
The Deformation T-Cup (DT-Cup) is a modified 6-8 multi-anvil apparatus capable of controlled strain-rate deformation experiments at pressures greater than 18 GPa. Controlled strain-rate deformation was enabled by replacing two of the eight cubic "second-stage" anvils with hexagonal cross section deformation anvils and modifying the "first-stage" wedges. However, with these modifications approximately two-thirds of experiments end with rupture of the hexagonal anvils. By replacing the hexagonal anvils with cubic anvils and, split, deformation wedge extensions, we restore the massive support to the deformation anvils that were inherent in the original multi-anvil design and prevent deformation anvil failure. With the modified parts, the DT-Cup has an experimental success rate that is similar to that of a standard hydrostatic 6-8 multi-anvil apparatus.