Airframe structural components experience coupled load–environment spectra that are currently not captured in traditional damage-tolerant management approaches. The effect of incorporating fatigue crack growth kinetics relevant to high-altitude flight environments into LEFM-based predictions progression for aluminum alloy 7075-T651 was quantitatively assessed a variety using AFGROW. results thi...

The paper studies the effect of strain-loading sequence on fatigue lifetime and fracture surface topographies in 7075-T651 aluminum alloy specimens. Fatigue tests were performed two ways: (i) constant-amplitude loading (ii) series variable amplitude with non-zero mean strain values. topography fractures was measured over their entire surfaces help an optical confocal measurement system. results...

The rolling correction process can eliminate machining distortions of aluminum alloy 7075-T651 structural parts. thermal stability the corrected parts under action temperature loading, especially macroscopic shape stability, is key to ensure safe service mechanical equipment. In this study, different loads were used postprocess after correction. rolled samples was analyzed by characterizing mic...

This paper outlines a science-based explanation of damage and reliability of critical components and structures within the second law of thermodynamics. The approach relies on the fundamentals of irreversible thermodynamics, specifically the concept of entropy generation as an index of degradation and damage in materials. All damage mechanisms share a common feature, namely energy dissipation. ...

abstract – aluminium 7075- t651 alloys are widely used in the production of light weight structures requiring a high strength to weight ratio and high corrosion resistance. the effect of processing parameters on fatigue life of 7075- t651 aluminium joints produced by friction stir welding was investigated in the present study. welding samples were made by employing rotating tool speed of 770, 9...

The vibration in the milling process plays a key role machining, which can significantly affect machining quality of workpiece. Some vibrations have negative influences on workpiece surface, while other improve stability. Therefore, it is critical to distinguish influence different types quality. A simulation method undeformed chip thickness considering presented this article, finite element mo...

In this study, age hardenable material Aluminum alloy Al-7075-T6 (aged) was investigated for weldability. Al-7075-T6 plates were subjected to Al-7075-0 heat treatment and were joined with different welding parameters by means of friction stir welding method. After Joining, the parts which were subjected to tensile and bending tests were examined. As a result of the studies, it was observed that...