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mselxp

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7Â¥2009-04-25 14:00:19
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FLY_Phoenix(½ð±Ò+4,VIP+0):¸ÐлÄãµÄÖ§³Ö£¬Ñ§Ï°ÁË 4-27 03:35
Eddy Current techniques have been used for a number of years on creep demage assessment. As the mechanical properties of the test materials change, a change in overall circuit impedance occurs, which is displayed on an oscilloscope. By monitoring these changes, it can be inferred that creep damage is present, based on observation of the signal parameters in comparison to similar changes that occurred on known creep-damaged materials. The depth of penetration of eddy currents is primarily influenced by frequency, conductivity, and relative permeability.
8Â¥2009-04-25 18:45:25
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FLY_Phoenix

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Originally posted by mselxp at 2009-4-25 14:00:
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Al-6.0Cu-0.3Mg-0.3MnºÏ½ð

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