Investigations of Fatigue and Fracture Behavior of AA 7085
Source abstract
Abstract
The paper studies fatigue and fracture behavior of aluminum alloy AA 7085. Fatigue crack growth, low cycle fatigue (LCF), and High cycle fatigue tests have been performed at room temperature. Material’s performance against the crack growth has been evaluated at load ratio of 0.1 and 0.3, parameters that govern crack growth are calculated using Paris and Walker model. XFEM has been used for the simulation of fatigue crack growth. Heaviside function is used for the modeling of crack surface while crack front is modeled by branch enrichment function. The simulation result presents a good match with experimental results. In LCF, cyclic softening was observed at higher strain amplitude. Fractographic features of the fracture surfaces obtained from the tests are examined by scanning electron microscopy.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aluminum Alloy Microstructure Properties · Metal Forming Simulation Techniques · Aluminum Alloys Composites Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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