CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1)...
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Transcript of CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1)...
![Page 1: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/1.jpg)
CLIC Meeting 21/08/2001
G. Arnau Izquierdo EST/SM
1
Electropolishing of W Electropolishing of W irises. SEM images.irises. SEM images.
1) Manufacturing ways.
2) CERN Workshop iris images.
3) Flueckiger iris images.
4) Plansee iris images.
5) Conclusions.
![Page 2: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/2.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
2
Manufacturing ways.Manufacturing ways.
Sintered + Hot forged W Ø36mm rod, 99.96% purity
Sintered +Hot forged W
EDM
EDM: Electrical Discharge Machining = Electro-erosionEP: Electropolishing
EP test: - 6 µm - 7 µm
Abrasive Blasting
EDM
Abrasive Blasting?
EDM
Cylindrical Grinding
EP
CERNWorkshop Flueckiger Plansee
Delivery2 iris for delivery : - 8.5 µm & - 16.5 µm
EP test: - 8 µm - 9 µm - 27 µm
![Page 3: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/3.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
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CERN workshopCERN workshopBefore Electropolishing (1/2)Before Electropolishing (1/2) EdgeEdge StainsStains FlakesFlakes Blasting incrustation Blasting incrustation
400µm 50x
![Page 4: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/4.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
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CERN WorkshopCERN WorkshopBefore Electropolishing (2/2)Before Electropolishing (2/2)
20µm
100µm
1000x
200x
![Page 5: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/5.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
5
CERN WorkshopCERN Workshop
After Electropolishing (1/2)After Electropolishing (1/2) - 8µm + - 9µm- 8µm + - 9µm Intergranular cracksIntergranular cracks PoresPores
400µm 50x
![Page 6: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/6.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
6
CERN WorkshopCERN WorkshopAfter Electropolishing (2/2)After Electropolishing (2/2)
20µm
100µm
1000x
200x
![Page 7: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/7.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
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FlueckigerFlueckigerBefore Electropolishing (1/2)Before Electropolishing (1/2) EdgeEdge
400µm 50x
![Page 8: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/8.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
8
FlueckigerFlueckigerBefore Electropolishing (2/2)Before Electropolishing (2/2)
20µm
100µm
1000x
200x
![Page 9: CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM 1 Electropolishing of W irises. SEM images. 1) Manufacturing ways. 2) CERN Workshop iris images. 3) Flueckiger.](https://reader036.fdocuments.us/reader036/viewer/2022070306/551668d55503469d698b546c/html5/thumbnails/9.jpg)
CLIC Meeting 21/08/2001 G. Arnau Izquierdo EST/SM
9
FlueckigerFlueckiger
After Electropolishing (1/2)After Electropolishing (1/2) - 6µm + - 7µm- 6µm + - 7µm Intergranular cracksIntergranular cracks PoresPores
400µm 50x