Fatigue life estimations of alclad AA2024-T3 friction stir clinch joints
Source abstract
Abstract
Abstract Joining alclad AA2024-T3 sheets is difficult for conventional welding processes due to ductile surface cladding layers. Friction stir clinching (FSC) was therefore proposed to overcome this problem. Here, two types of specimens, tensile-shear and cross-tension, were made to investigate general fatigue behavior of FSC joints. Critical fatigue cracks and failure modes were identified by photos and micrographs. Interfacial and kinked crack fatigue models consist of local and global stress intensity factors (SIFs) and a Paris law approach were taken for fatigue life estimations. The fatigue life estimations well agreed with the experimental fatigue data. The fatigue data of FSC joints in above specimens were well correlated by effective SIF ranges.
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Research context
OpenAlex topics: Advanced Welding Techniques Analysis · Aluminum Alloys Composites Properties · Metal Forming Simulation Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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