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Papers
61,005 resultsShowing papers similar to Effect of microvoids on microplasticity behavior of dual-phase titanium alloy under high cyclic loading (I): Crystal plasticity analysis
ClearResearch on the effect of micro-voids on the deformation behavior and crack initiation lifetime of titanium alloy under cyclic loading by crystal plasticity finite element method
Researchers used a crystal plasticity finite element (CPFE) model to investigate how micro-void defects in titanium alloys formed by diffusion bonding influence local stress concentration and fatigue crack initiation lifetime. Results showed that void tip curvature had a greater effect on stress concentration than void size, and that fatigue crack initiation lifetime fell below 10^6 cycles when tip curvature exceeded 0.4 micrometers inverse or when the length-to-diameter ratio dropped below 2.0.
Hierarchy of the macrozone features in Ti-6Al-4V alloy inferred from massive polycrystal plasticity calculations
Researchers used advanced crystal plasticity computer modeling to study how clusters of similarly-oriented grains — called macrozones — affect stress concentrations and fatigue performance in titanium alloys used in aerospace applications. The term "microplastic" here refers to early-stage metal deformation behavior (not environmental plastic pollution); results showed macrozone texture and shape strongly influence where stress hotspots form under cyclic loading.
Investigation of microplastic deformation mechanisms in TA2 metallic bipolar plates using a crystal plasticity model coupling slip and twinning
This paper is not about environmental microplastics — it uses 'microplastic' in the materials science sense to describe tiny deformation zones within titanium metal sheets used for hydrogen fuel cell components, studying how these microscale plastic deformations affect metal forming during manufacturing.
Hot Deformation Behavior and Processing Maps of a New Ti-6Al-2Nb-2Zr-0.4B Titanium Alloy
This materials science study characterized the high-temperature deformation behavior of a new titanium alloy used in aerospace and industrial applications. It has no direct relevance to microplastic or environmental health research.
Slip Irreversibility, Microplasticity, and Fatigue Cracking Mechanism in Near-α and α + β Titanium Alloys
This paper is not about microplastics; it reviews the materials-science mechanisms of microplasticity, slip irreversibility, and fatigue crack initiation in near-α and α+β titanium alloys—a topic in metallurgy unrelated to plastic pollution.
Dislocation Arrangements and Cyclic Microplasticity Surrounding Stress Concentration in a Ni‐Based Single‐Crystal Superalloy
Not relevant to microplastics — this materials science study examines dislocation behavior and fatigue crack initiation in nickel-based single-crystal superalloys; 'microplasticity' here refers to microscale metal deformation, not plastic particles.
Micro-Deformation and Fracture Features of Ti834 Titanium Alloy under Fatigue Loading
Researchers studied how titanium alloy responds to high-cycle fatigue loading versus dwell fatigue, identifying differences in deformation patterns at the microscale. Titanium alloys are used in environments where plastic corrosion byproducts can accelerate material degradation.
The Effect of Initial Annealing Microstructures on the Forming Characteristics of Ti–4Al–2V Titanium Alloy
This materials science study investigated how pre-treatment processes affect the plastic forming behavior of a titanium alloy used in aerospace applications. It is an engineering paper unrelated to environmental microplastics.
Crack nucleation using combined crystal plasticity modelling, high-resolution digital image correlation and high-resolution electron backscatter diffraction in a superalloy containing non-metallic inclusions under fatigue
This materials engineering study combined crystal plasticity modeling with high-resolution microscopy to understand how fatigue cracks form near non-metallic inclusions in nickel superalloys. The research addresses durability of industrial alloy components and is not related to microplastics research.
Enhanced Fatigue Strength of Commercially Pure Ti Processed by Rotary Swaging
This materials science study found that processing commercially pure titanium by rotary swaging to refine its grain structure significantly improved its fatigue strength and resistance to crack growth. The research is focused on metal alloy engineering with no relevance to microplastic pollution.
In situ characterization of work hardening and springback in grade 2 α-titanium under tensile load
A study using X-ray diffraction and electron microscopy characterized work hardening and springback in titanium sheet metal. While unrelated to microplastics, research on mechanical behavior of metals is relevant to understanding how metal and polymer particles are generated during manufacturing and wear.
Fatigue properties of a metastable β-type titanium alloy with reversible phase transformation
Researchers investigated the mechanical and fatigue properties of a nickel-free beta-titanium alloy (Ti-24Nb-4Zr-7.6Sn), finding that stress-induced martensitic transformation suppresses microplastic deformation and improves low-cycle fatigue strength, while cold rolling increases fatigue endurance by roughly 50% — relevant to biomedical implant design.
Crystal Plasticity Simulation of Yield Loci Evolution of SUS304 Foil
Researchers used crystal plasticity simulation to study how grain orientation and size affect the deformation of stainless steel foils used in microforming processes. This is a materials engineering study with no direct connection to microplastic contamination.
Probing Microplasticity in Small-Scale FCC Crystals via Dynamic Mechanical Analysis
This study used dynamic mechanical analysis to study pre-yield dislocation activity — tiny structural movements — in small-scale face-centered cubic metal crystals. It is a materials science paper on nanoscale metal plasticity with no connection to environmental microplastics.