LB650腔的机械性能评估
The Evaluation of Mechanical Properties of LB650 Cavities
AI总结：
针对PIP-II项目LB650低beta腔易变形的问题，研究通过铌半单元热处理性能测量、受控跌落测试和实际道路测试，验证900 °C热处理适用于生产搬运与运输，并为运输规范和容器设计提供依据。
摘要：
PIP-II项目的LB650腔由于beta降低导致的腔体几何形状，可能易受机械变形影响。研究在不同热处理后测量了铌半单元的机械性能。5单元腔以受控跌落测试方式和实际道路测试进行了测试。结果表明，900 °C热处理与生产过程中的腔体搬运和运输相容。该测试为运输规范和运输容器设计指南提供了基础。
英文摘要：
The PIP-II project's LB650 cavities could potentially be vulnerable to mechanical deformation because of the geometric shape of the cavity due to reduced beta. The mechanical property of the niobium half-cell was measured following various heat treatments. The 5-cell cavities were tested in a controlled drop test fashion and the real-world road test. The result showed that the 900 $°$C heat treatment was compatible with cavity handling and transportation during production. The test provides the bases of the transportation specification and shipping container design guidelines.
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