ABSTRACT

A three-wall piston-cylinder type high pressure cell for muon-spin rotation/relaxation experiments was designed, manufactured, tested and commissioned. The outer cylinder of the cell body is made from MP35N and the middle and inner cylinders are made from NiCrAl nonmagnetic alloys. The mechanical design and performance of the pressure cell are evaluated and optimised using finite-element analysis. The outcomes of the experimental testing closely match the modelling results. The high pressure cell is shown to reach pressure of up to 3.3 GPa at ambient temperature, corresponding to 3.0 GPa at low temperatures, without irreversible damage.

中文翻译：

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用于μ子自旋旋转/松弛实验的三壁活塞缸式压力盒

摘要

设计、制造、测试和调试了一种用于μ子自旋旋转/弛豫实验的三壁活塞缸式高压电池。池体外筒采用MP35N，中筒和内筒采用NiCrAl非磁性合金。压力传感器的机械设计和性能使用有限元分析进行评估和优化。实验测试的结果与建模结果非常吻合。高压电池在环境温度下可达到高达 3.3 GPa 的压力，对应于低温下的 3.0 GPa，没有不可逆的损坏。