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The Evaluation of Mechanical Properties of LB650 Cavities

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arxiv 2307.09360 v1 pith:LHNMVIC3 submitted 2023-07-18 physics.acc-ph

The Evaluation of Mechanical Properties of LB650 Cavities

classification physics.acc-ph
keywords cavitiesmechanicaltestcavityheatlb650transportationbases
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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 $\deg$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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