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000596730 1001_ $$0P:(DE-H253)PIP1017023$$aBidola, Pidassa M.$$b0$$eCorresponding author
000596730 1112_ $$aAdvances in X-Ray/EUV Optics and Components XVIII$$cSan Diego$$d2023-08-20 - 2023-08-25$$wUnited States
000596730 245__ $$aA high-speed x-ray radiography setup for in-situ electron beam powder bed fusion at PETRA III
000596730 260__ $$aBellingham, Wash.$$bSPIE$$c2023
000596730 29510 $$aAdvances in X-Ray/EUV Optics and Components XVIII : [Proceedings] - SPIE, 2023. - ISBN 97815106660239781510666030 - doi:10.1117/12.2678913
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000596730 520__ $$aA high-energy white synchrotron x-ray beam enables penetration of relatively thick and highly absorbing samples. At the P61A White Beam Engineering Materials Science Beamline, operated by Helmholtz-Zentrum Hereon at the PETRA III ring of the Deutsches Elektronen-Synchrotron (DESY), a tailored x-ray radiography system has been developed to perform in-situ x-ray imaging experiments at high temporal resolution, taking advantage of the unprecedented x-ray beam flux delivered by ten successive damping wigglers. The imaging system is equipped with an ultrahigh-speed camera (Phantom v2640) enabling acquisition rates up to 25 kHz at maximal resolution and binned mode. The camera is coupled with optical magnification (5x, 10x) and focusing lenses to enable imaging with a pixel size of 1,35 micrometre. The scintillator screens are housed in a special nitrogen gas cooling environment to withstand the heat load induced by the beam, allowing spatial resolution to be optimized down to few micrometres. We present the current state of the system development, implementation and first results of in situ investigations, especially of the electron beam powder bed fusion (PBF-EB) process, where the details of the mechanism of crack and pore formation during processing of different powder materials, e.g. steels and Ni-based alloys, is not yet known. 
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000596730 7001_ $$0P:(DE-HGF)0$$aAbreu-Faria, Guilherme$$b1
000596730 7001_ $$0P:(DE-H253)PIP1097916$$aKlingenberg, Johannes$$b2
000596730 7001_ $$0P:(DE-H253)PIP1002838$$aBrehling, Jens$$b3
000596730 7001_ $$0P:(DE-H253)PIP1006631$$aBurmester, Hilmar$$b4
000596730 7001_ $$0P:(DE-H253)PIP1013444$$aTietze, Ursula$$b5
000596730 7001_ $$0P:(DE-H253)PIP1007377$$aKrywka, Christina$$b6
000596730 7001_ $$0P:(DE-H253)PIP1008339$$aStaron, Peter$$b7
000596730 7001_ $$0P:(DE-H253)PIP1008439$$aSchwebke, Bernd$$b8
000596730 7001_ $$0P:(DE-H253)PIP1005331$$aLottermoser, Lars$$b9
000596730 7001_ $$aLindwall, Greta$$b10
000596730 7001_ $$0P:(DE-H253)PIP1098121$$aIoannidou, Chrysoula$$b11
000596730 7001_ $$0P:(DE-H253)PIP1100564$$aKönig, Hans-Henrik$$b12
000596730 7001_ $$0P:(DE-H253)PIP1097149$$aSpartacus, Gabriel$$b13
000596730 7001_ $$0P:(DE-H253)PIP1094199$$aSemjatov, Nick$$b14
000596730 7001_ $$0P:(DE-H253)PIP1002967$$aBeckmann, Felix$$b15
000596730 7001_ $$0P:(DE-HGF)0$$aMimura, Hidekazu$$b16$$eEditor
000596730 7001_ $$0P:(DE-HGF)0$$aMorawe, Christian$$b17$$eEditor
000596730 7001_ $$0P:(DE-HGF)0$$aKhounsary, Ali M.$$b18$$eEditor
000596730 773__ $$0PERI:(DE-600)2398361-9$$a10.1117/12.2678913$$p1269402$$tProceedings of SPIE$$v12694$$x0038-7355$$y2023
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