Iranian Journal of Ceramic Science & Engineering
Volume 7, Issue 1 (6-2018)
2018, 7(1): 71-79 |
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Ceramic-metal joining in electron gun shell for Traveling-wave tubes. Iranian Journal of Ceramic Science & Engineering 2018; 7 (1) :71-79
URL: http://ijcse.ir/article-1-576-en.html
URL: http://ijcse.ir/article-1-576-en.html
Abstract: (3036 Views)
This study discusses about ceramic-metal joints for electron gun shell in traveling wave tubes. Because of high cost of making such parts,the slightest mistake in this path will lead to a loss of energy and cost. Therefore, test specimens were made according to the ASTM F19 standard for investigation of the bonding conditions and vacuum sealing properties and they was subjected to metallization and sintering process at 1500 and 1600 ° C for 40 minutes. The results of tensile and leak tests showed that at 1600 ° C, The joining is established properly, so that joining Strength and helium leak rates was measured as 66 Mpa and < 1.0E-12 atm-cc/secand,respectively. After obtaining these results, the operation was successfully carried out on the main parts of the gun shell.
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