G - Physics – 01 – N
Patent
G - Physics
01
N
354/23
G01N 3/32 (2006.01)
Patent
CA 2016394
ABSTRACT OF THE DISCLOSURE A method for obtaining fatigue life information for an article is disclosed. Initially, an area of interest is determined on the article. A durability schedule is defined for that article as a predetermined number of passes through each of a predetermined number of events, each of the events being defined by the generation of strains in the article having a predetermined range of magnitudes and frequencies. A total effective damage factor caused to the component by one pass through each of the events is next determined, which permits the determination of a total durability factor for all of passes for all of the events defined in the durability schedule. The article is then tested by subjecting it a plurality of passes through all of the events defined in the durability schedule until a termination criteria is reached. Then, a total actual damage factor can be determined based upon the number of tested passes through each of the events defined in the durability schedule. A final durability factor for the article is lastly determined by dividing the the total actual damage factor by the total durability factor. A plurality of final durability factors can be used to obtain the desired fatigue life information.
Muldowney Robert M.
Stokes Richard S.
Dana Corporation
Muldowney Robert M.
Ridout & Maybee Llp
Stokes Richard S.
LandOfFree
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