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IEVref:561-05-03ID:
Language:enStatus: Standard
Term: coupling factor, <of a piezoelectric ceramic>
Synonym1: coupling coefficient, <of a piezoelectric ceramic>
[Deprecated]
Synonym2:
Synonym3:
Symbol: k
Definition: constant representing the efficiency of electromechanical coupling

Note 1 to entry: It represents the efficiency of converting electric energy into mechanical energy by the electro-mechanical coupling effect, and it is defined as the square root of the ratio of the mechanical energy stored (Um) to the total input electric energy transferred (Ui):

k= U m U i MathType@MTEF@5@5@+= feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHX garuavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz 3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbb a9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9 q8qiLsFr0=vr0=vr0db8meaabaGacmGadiWaaiWabaabaiaafaaake aacaWGRbGaeyypa0ZaaOaaaeaadaWcaaqaaiaadwfadaWgaaWcbaGa amyyaaqabaGccaaMi8oabaGaamyvamaaBaaaleaacaWGPbaabeaaaa aabeaaaaa@411D@


Publication date:2016-07
Source:
Replaces:561-05-03:2014-11
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