
Header Weld Root Fatigue Life Prediction under Combined Thermal and Breathing Cycles
Root notch geometry and coupled breathing-thermal strain dictate header weld fatigue life, requiring non-linear strain-life prediction over far-field stress models.

Root notch geometry and coupled breathing-thermal strain dictate header weld fatigue life, requiring non-linear strain-life prediction over far-field stress models.

Entrapped argon porosity reduces tool steel transverse rupture strength by creating surface-adjacent stress concentrations that lower Weibull reliability.

Low-cycle strain life fatigue calculations govern high conductivity aluminum insert durability under rapid injection thermal shocks.

Microstructural shear fatigue limits in powder metallurgical steels depend on sintered density, pore geometry, and non-proportional strain paths.

Solid-state prismatic cell swelling generates edge rotation bending strain at header weld roots, requiring wobble laser trajectories and compliant header contours to prevent premature fatigue failure.
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