New Delphi SAE papers

[Q45tech]

http://delphi.com/pdf/techpapers/2007-0 ... 1-1509.pdf

This older one has oil viscosity vs temperature charts vs oil agehttp://delphi.com/pdf/techpapers/2006-01-0701.pdf

http://delphi.com/pdf/techpapers/2005-01-1061.pdf

"In many applications, especially automotive, solderinterconnects experience degradation due to prolongedtemperature and power cycling. This degradationbehavior manifests itself as changes in the grain/phasestructure, primarily through grain/phase coarsening.Because the magnitude of the change in grain/phasestructure is strongly dependent upon the environmentalstresses, quantifying microstructural changes providesan alternative approach to calculating an accelerationtransform number or function...................................."

http://delphi.com/pdf/techpapers/2005-01-1490.pdf

Why MAF and FPCU internal SOLDER problems !

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