Difference between revisions of "Polhe3 Metal Windows"
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* Investigating the possibility of using Larson glass to metal seals as a means to couple metal windows to glass target chamber. | * Investigating the possibility of using Larson glass to metal seals as a means to couple metal windows to glass target chamber. | ||
* Pressure test setup was assembled at UVa to test glass to metal seals at typical target cell operating pressures. | * Pressure test setup was assembled at UVa to test glass to metal seals at typical target cell operating pressures. | ||
| − | * Initial test on a Larson CP-100-T Pyrex glass to Copper metal seal (1-inch O.D.) performed on Nov 16 & 17, 2001. Test piece was pressurized to approximately 10-atm (137psig) of argon for 24hrs. The glass to metal seal did not explode. Although, 10-atm is low (typical target operating pressure is 12-atm to 13-atm). No leak tests on the seal have been performed during this initial pressure test. | + | * Initial test on a Larson CP-100-T Pyrex glass to Copper metal seal (1-inch O.D.) performed on Nov 16 & 17, 2001. Test piece was pressurized to approximately 10-atm (137psig) of argon for 24hrs. The glass to metal seal did not explode. Although, 10-atm is low (typical target operating pressure is 12-atm to 13-atm). No leak tests on the seal have been performed during this initial pressure test. We still need to establish that gas will not leak thru seal at high pressures. |
* Ultimately, we would like to place a thin metal window (such as beryllium) on the metal end and then pressure test both the metal window and the glass to metal seal at pressures greater than 12-atm to 13-atm. | * Ultimately, we would like to place a thin metal window (such as beryllium) on the metal end and then pressure test both the metal window and the glass to metal seal at pressures greater than 12-atm to 13-atm. | ||
* In the future, we will investigate whether it is possible to make a GE180 glass to metal seal and if it will stay leak tight at high pressures. | * In the future, we will investigate whether it is possible to make a GE180 glass to metal seal and if it will stay leak tight at high pressures. | ||
Revision as of 20:49, 29 November 2011
Window Pressure Test Setup
- Investigating the possibility of using Larson glass to metal seals as a means to couple metal windows to glass target chamber.
- Pressure test setup was assembled at UVa to test glass to metal seals at typical target cell operating pressures.
- Initial test on a Larson CP-100-T Pyrex glass to Copper metal seal (1-inch O.D.) performed on Nov 16 & 17, 2001. Test piece was pressurized to approximately 10-atm (137psig) of argon for 24hrs. The glass to metal seal did not explode. Although, 10-atm is low (typical target operating pressure is 12-atm to 13-atm). No leak tests on the seal have been performed during this initial pressure test. We still need to establish that gas will not leak thru seal at high pressures.
- Ultimately, we would like to place a thin metal window (such as beryllium) on the metal end and then pressure test both the metal window and the glass to metal seal at pressures greater than 12-atm to 13-atm.
- In the future, we will investigate whether it is possible to make a GE180 glass to metal seal and if it will stay leak tight at high pressures.
