Paper | Title | Page |
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TUPE18 | Design and FEA of a 3D Printed Detector Window Frame | 201 |
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The purpose of the project was to design and simulate a window assembly to be used in GISAX/GIWAX experiments. The window lies between the sample and the WAXS** detector, a modified, in-vacuum detector, with modules removed to allow scattered radiation to pass through to a SAXS*** detector positioned downstream. The window uses 75um thick Kapton HN film and given the size, pressure and the short distance to the sensors, it was necessary to support it on a frame. To avoid any information loss from shadowing of the detector, a frame was designed so that shadows will be projected into the gaps between the detector modules. The geometry was such that DMLS**** was an effective way of producing the item. Given the slenderness of the structure and the forces it supports, the material approaches or exceeds its yield point, so a bilinear, isotropic, hardening material model was chosen; moreover, large deflections were enabled. Also, the contacts were modelled with augmented Lagrange frictional formulation. All these assumptions made the analysis strongly non-linear.
*Grazing Incidence Small/Wide Angle X-ray scattering **Wide Angle X-ray Scattering ***Small Angle X-ray Scattering ****Digital Metal Laser Sintering |
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Poster TUPE18 [7.079 MB] | ||
DOI • | reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUPE18 | |
About • | paper received ※ 09 September 2016 paper accepted ※ 23 September 2016 issue date ※ 22 June 2017 | |
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