Meena Rezkallah, P.Eng.Mar 29, 20203 minPiping Stress Analysis1.3 Stress Intensification FactorsAs noted previously, Markl's fatigue tests generated endurance curves for various fitting configurations, such as straight pipe, butt...
Meena Rezkallah, P.Eng.Mar 22, 20202 minPiping Stress Analysis1.2.5 Effect of Sustained Loads on Fatigue StrengthIn almost all cases the material fatigue curves are generated using a completely alternating stress; i.e., the average stress component...
Meena Rezkallah, P.Eng.Mar 22, 20201 minPiping Stress Analysis1.2.4 Cyclic Reduction FactorAt some point, in the vicinity of 7,000 cycles, the (Syc + Syh) limitation intersects the fatigue curve for carbon and low alloy steel....
Meena Rezkallah, P.Eng.Mar 21, 20202 minPiping Stress Analysis1.2.3 Effect of Fatigue on PipingA. R. C. Markl investigated the phenomenon of fatigue failure of piping during the 1940's and 1950's, and published his results in papers...