| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Ghigo, Mauro
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2018A novel approach for the realization of thin glass substrates for optical mirrorscitations
- 2015Cold shaping of thin glass foils: a fast and cost-effective solution for making light-weight astronomical x-ray opticscitations
- 2014Evaluation of the surface strength of glass plates shaped by hot slumping processcitations
- 2013Accurate integration of segmented x-ray optics using interfacing ribscitations
- 2009Design And Development The Ixo Mirrors By Innovative Slumping Glass Technologies
- 2009Stiff and Lightweight Optical Mirrors Made by Glass Slumping with Foamed Core
- 2009Lightweight Mirror Developments
- 2005Recent results on manufacturing of segmented x-ray mirrors with slumped glasscitations
- 2003Use of the LIGA process for the production of pyramid wavefront sensors for adaptive optics in astronomycitations
- 2003Replication by Ni electroforming approach to produce the Con-X/HXT hard x-ray mirrorscitations
- 2003Alternative mirror technologies
- 2002Development of soft and hard x-ray optics for astronomy: progress report II and considerations on material properties for large-diameter segmented optics of future missionscitations
- 2000Integral shell mirrors for the Constellation X-ray mission hard x-ray telescopecitations
- 2000Nickel-replicated multilayer optics for soft and hard x-ray telescopescitations
Places of action
| Organizations | Location | People |
|---|
article
Evaluation of the surface strength of glass plates shaped by hot slumping process
Abstract
Hot slumping technology is under development by several research groups in the world for the realization of grazing-incidence segmented mirrors for x-ray astronomy, based on thin glass plates shaped over a mold at temperatures above the transformation point. The performed thermal cycle and related operations might have effects on the strength of the glass, with consequences for the structural design of the elemental optical modules and, consequently, on the entire x-ray optic for large astronomical missions such as IXO and ATHENA. The mechanical strength of glass plates after they underwent the slumping process was tested through destructive double-ring tests in the context of a study performed by the Astronomical Observatory of Brera with the collaboration of Stazione Sperimentale del Vetro and BCV Progetti. The entire study was done on more than 200 D263 Schott borosilicate glass specimens of dimensions 100 mm×100 mm and a thickness 0.4 mm, either flat or bent at a radius of curvature of 1000 mm through the pressure-assisted hot slumping process developed by INAF-OAB. The collected experimental data have been compared with nonlinear finite element model analyses and treated with the Weibull statistic to assess the current IXO glass x-ray telescope design, in terms of survival probability, when subjected to static and acoustic loads characteristic of the launch phase. The paper describes the activities performed and presents the obtained results....