We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
The asymmetric pre-yielding behaviour during tension and compression for a rolled AZ31 Mg alloy
AI summary Read the abstract
This study examined pre-yield mechanical behavior of a magnesium alloy sheet, finding asymmetric responses between tension and compression driven by dislocation glide and twinning mechanisms, with no relevance to microplastic pollution or environmental health. This paper appears to be off-topic for the microplastics research corpus.
Tensile and compressive pre-yield mechanical behavior of a rolled AZ31 Mg alloy sheet was studied by cyclic loading–unloading tests along rolling direction (RD) and transverse direction (TD). The results show that the mechanical response of pre-yielding is not linear elasticity. Microplasticity with irreversible strain and energetic dissipation is observed during tension. While anelasticity with reversible strain and dissipative energy is detected during compression. A stress dependent varied elastic modulus model was built by introducing a stress factor to capture the asymmetric behavior. Three model parameters are tensile yield strength, initial elastic modulus and critical modulus at tensile yield point. Consequently, this model is verified by comparison with the experimental observations. The anelastic and micro-plastic deformation are ascribed to the glide of mobile dislocations. The asymmetric behavior of tension and compression is clarified by the nucleation mechanism of {10–12} twinning.
More Papers Like This
Low-Cycle Fatigue of Al—Mg Alloys
AI summary Read the abstract
Low-cycle fatigue testing of Al-Mg alloys using internal friction methods revealed changes in elastic and microplastic behavior in both solid and porous alloy variants. This metallurgical study of aluminum alloy fatigue behavior is unrelated to environmental microplastic pollution or human health.
Anelastic and Microplastic Damping of an Mg–Zn–Y–Al Alloy
AI summary Read the abstract
This materials science study analyzes damping behavior in a magnesium alloy, focusing on anelastic and microplastic deformation mechanisms at varying strain amplitudes. This paper concerns metallurgical microplasticity (small-scale metal deformation) rather than environmental plastic pollution and is not relevant to microplastic contamination research.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.