DocumentCode :
3492359
Title :
Hydrolytic deterioration of polyimide insulation on naval aircraft wiring
Author :
Campbell, F.J. ; Brewer, A.K. ; Orr, R.J. ; Janicke, T.A. ; Bruning, A.M.
Author_Institution :
US Naval Res. Lab., Washington, DC, USA
fYear :
1988
fDate :
16-20 Oct 1988
Firstpage :
180
Lastpage :
188
Abstract :
Experimental and theoretical work carried out on the hydrolytic deterioration of polyimide insulation on naval aircraft wiring is reviewed. Initial results are consistent with literature reports that mechanical strain (from bending and stretching the wires) has a strong influence on the hydrolysis reaction rate, and therefore the complex model for life prediction must include a multifactor modification of the Arrhenius Model. The critical technical issue is then one of developing the theoretical formula for determining the deterioration rate from the combination of fundamental kinetics and thermodynamic principles needed to express the multifactor stress effects on the commonly utilized Arrhenius formula
Keywords :
aircraft; cable insulation; chemical reactions; insulation testing; organic insulating materials; polymers; reaction rate constants; wires (electric); Arrhenius Model; bending; deterioration rate; hydrolysis reaction rate; hydrolytic deterioration; insulation testing; life prediction; mechanical strain; multifactor stress effects; naval aircraft wiring; polyimide insulation; stretching; thermodynamic principles; Aircraft; Capacitive sensors; Insulation; Kinetic theory; Polyimides; Predictive models; Thermal stresses; Thermodynamics; Wires; Wiring;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electrical Insulation and Dielectric Phenomena, 1988. Annual Report., Conference on
Conference_Location :
Ottawa, Ont.
Type :
conf
DOI :
10.1109/CEIDP.1988.26329
Filename :
26329
Link To Document :
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