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Papers
61,005 resultsShowing papers similar to Viscosity and transport in a model fragile metallic glass
ClearMetallic glasses: Elastically stiff yet flowing at any stress
Researchers demonstrated that metallic glass, an amorphous solid with high yield stress, lacks a true microscopic elastic limit. Using coherent X-ray scattering, they found that even extremely small stresses accelerate atomic-scale transport within the material. The findings reveal fundamental differences in how amorphous and crystalline solids respond to mechanical stress at the atomic level.
Elasto-plastic behavior of amorphous materials: a brief review
This materials science review discusses how disordered (amorphous) materials like metallic and silicate glasses deform plastically at the atomic scale, focusing on localized shear band formation. The term 'plasticity' here refers to material deformation behavior, not environmental plastic particles.
Atomistic mechanisms of cyclic hardening in metallic glass
This materials science paper investigated atomic-level mechanisms by which metallic glass strengthens under cyclic mechanical loading, using computer simulations to study how structural changes accumulate. This is a condensed matter physics study with no relevance to environmental microplastics.
Stress breaks universal aging behavior in a metallic glass
Researchers discovered that applying mechanical stress to metallic glass — an amorphous, non-crystalline metal — disrupts the material's predictable aging behavior by triggering localized microscale plastic deformation events (called microplastic events) that cause irregular, unpredictable changes in the material's internal structure. This finding challenges a long-standing universal model used to predict how metallic glasses behave under stress over time.
Beyond Serrated Flow in Bulk Metallic Glasses: What Comes Next?
This is a materials science article on serrated flow and plastic deformation in bulk metallic glasses, exploring unusual mechanical behavior in these amorphous metals. It is not related to microplastics or environmental science.
From Micro‐ to Macroplasticity
This materials science perspective discusses the transition from microplastic deformation (below the yield stress) to macroplastic deformation in nanocrystalline metals, noting that the traditional 0.2% yield stress definition does not accurately capture when bulk plastic flow begins. This is a materials physics study on metal deformation behavior with no relevance to environmental microplastics.
Nontrivial scaling exponents of dislocation avalanches in microplasticity
This physics study analyzed the statistical patterns of small-scale deformation events (dislocation avalanches) in metals to test theoretical models of material plasticity. The research is in materials physics and is not related to environmental microplastics.
Severe Plastic Deformation of Amorphous Alloys
This materials science paper examines how high-pressure torsion affects the structure and properties of metallic glass alloys. The research is not related to microplastics or environmental health.
Fluctuations in crystalline plasticity
This theoretical physics paper reviews the statistical patterns of intermittent plastic deformation events—called dislocation avalanches—in crystalline metals at the micro- and nanoscale. The term 'microplastic' here refers to a materials science concept about deformation behavior, not environmental plastic particles.
Role of Grain Boundary Sliding in Texture Evolution for Nanoplasticity
This materials science paper presents a crystal plasticity model for how grain boundary sliding affects texture evolution in nanocrystalline metals under large deformation. It is a technical metallurgy study with no connection to microplastics or environmental health.
Variety of scaling behaviors in nanocrystalline plasticity
This is a materials science study examining the variety of scaling behaviors observed in nanocrystalline plasticity, exploring how grain size affects deformation mechanisms in metals. It is not related to environmental microplastics.
Micromechanical aspects of the effect of temperature and local plastic strain magnitude on the fracture toughness of ferrite steels
This materials science study examined how temperature and plastic strain affect the fracture toughness of ferrite steels at the microscopic scale. The term 'microplastic' here refers to microscopic plastic deformation in metal — this is an engineering study unrelated to plastic particle pollution.
Avalanche statistics and the intermittent-to-smooth transition in microplasticity
This physics study found that at very small scales, crystal plasticity transitions from intermittent to smooth flow as deformation rate increases. It is a materials science paper on metal deformation mechanics, unrelated to environmental microplastics.
Role of Densification in Deformation of Glasses Under Point Loading
This materials science paper proposes that so-called 'microplastic effects' in glass under point loading are caused by densification rather than conventional plastic flow. The research focuses on glass mechanics and hardness, using 'microplastic' in an engineering context with no relation to environmental plastic pollution.
Strain-dependent evolution of avalanche dynamics in bulk metallic glass
Researchers used in situ acoustic emission techniques to study avalanche dynamics during deformation of a bulk metallic glass (BMG) from the microplastic deformation region through to failure. Avalanche events followed a power-law distribution with exponents decreasing from 1.61 to 1.49 as deformation increased, demonstrating strain-dependent evolution of scale-invariant plasticity behavior in amorphous solids.
Independence of Slip Velocities on Applied Stress in Small Crystals
This physics study examined the velocities at which crystal slip events occur during plastic deformation of tiny metal crystals, finding they are independent of applied stress over a wide range. This is a condensed matter physics study on metal deformation with no relevance to environmental microplastics.
Rejuvenation engineering in metallic glasses by complementary stress and structure modulation
Researchers used X-ray diffraction to study how stress and structural rejuvenation affect the mechanical properties of metallic glasses at a microscale. While focused on materials science, understanding plastic deformation in amorphous metals contributes to developing more durable engineered materials.
Rapid Fatigue Limit Estimation of Metallic Materials Using Thermography-Based Approach
This paper is not about environmental microplastics; it uses the term "microplastic" in a materials science context to describe microscopic plastic deformation in metals during fatigue testing.
Microplasticity Detected by an Acoustic Technique
This materials science paper describes an acoustic technique that detects microplastic deformation events — tiny slip occurrences within metal crystals during loading — by monitoring longitudinal oscillations. 'Microplasticity' here refers to microscale plastic deformation in crystalline materials and is unrelated to environmental plastic pollution.
Discontinuous yielding of pristine micro-crystals
This theoretical physics paper develops a model for crystal deformation in dislocation-free materials. While not related to environmental science or microplastics, the work contributes to materials science research on plastic deformation at the microscale.
Simulating the mechanisms of serrated flow in interstitial alloys with atomic resolution over diffusive timescales
Researchers used computer simulations to model how atoms and structural defects interact in metal alloys during deformation, revealing three distinct behavioral regimes that explain a phenomenon called jerky or unstable plastic flow. This fundamental materials science work improves understanding of how metals behave under stress, which has no direct connection to microplastics pollution.
Transformation Kinetics, Microplasticity and Aging of Martensite in FE-31 Ni.
This materials science study examines microplastic behavior in iron-nickel martensite alloys, finding that stress-induced phase transformation produces unusually large microplastic strains. The term 'microplasticity' refers to small-scale plastic deformation in metals and is not related to environmental plastic pollution.
A bcc refractory high-entropy alloy: the ideal case of smooth plastic flow
This materials science paper characterizes smooth plastic flow in a body-centered cubic refractory high-entropy alloy, examining dislocation dynamics and deformation mechanisms; it is not directly related to microplastic environmental research.
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.