Fatigue crack growth behavior of TA15/TC4 dissimilar laminates fabricated by diffusion bonding
Source abstract
Abstract
Abstract Fatigue crack growth behavior of TA15/TC4 dissimilar laminates produced by diffusion bonding is studied. A sound bonding interface and fine equiaxed microstructure are obtained to improve fatigue damage tolerance with uncompromised tensile properties. TA15 alloy in the dissimilar laminates exhibits a higher fatigue crack growth resistance. EBSD analysis confirms that more α recrystallization occurs in TA15 alloy, which contributes to the relatively random crystallographic orientation and therefore the lower crack propagation rate. Local α grains characterized by high basal or prismatic Schmid factors are activated for plastic deformation accompanied by observation of dislocation lines and tangles. This study sheds light on a simple method to improve the damage tolerance by fabricated dissimilar laminate of diffusion bonding.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Welding Techniques Analysis · Titanium Alloys Microstructure and Properties · Aluminum Alloy Microstructure Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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