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Papers
61,005 resultsShowing papers similar to Deep Cryogenic and Thermal Aging Treatments of Ti–5Al–5Mo–5V–3Cr Alloy Additively Manufactured by Powder Bed Fusion–Laser Beam
ClearResearch on Residual Stresses and Microstructures of Selective Laser Melted Ti6Al4V Treated by Thermal Vibration Stress Relief
Researchers evaluated thermal-vibration stress relief treatment on titanium alloy parts made by selective laser melting, finding it effectively reduced residual stresses while influencing microstructure — offering a practical method for improving additive manufactured metal components.
Improved corrosion and cavitation erosion resistance of laser-based powder bed fusion produced Ti-6Al-4V alloy by pulsed magnetic field treatment
Researchers applied pulsed magnetic field treatment to Ti-6Al-4V alloy produced by laser-based powder bed fusion and found it enhanced corrosion resistance in saline solution and prolonged resistance to cavitation erosion in deionised water. The results suggest pulsed magnetic treatment is a viable post-processing step for additively manufactured titanium alloys.
Enhancement of the Microstructure and Fatigue Crack Growth Performance of Additive Manufactured Titanium Alloy Parts by Laser-Assisted Ultrasonic Vibration Processing
This paper is not about microplastics. It studied how laser-assisted ultrasonic surface treatment improves the fatigue crack resistance and microstructure of 3D-printed titanium alloy parts. The term 'plastic deformation' here refers to metal deformation processes, not plastic pollution.
A Study of Thermal Stability of Residual Stresses and Fatigue life of Laser Shock Peened Ti-6Al-2Sn-4Zr-2Mo alloy
This aerospace engineering study examined how laser shock peening—a process that introduces compressive stress into metal surfaces—affects the fatigue life and thermal stability of a titanium alloy used in high-temperature aerospace applications. This is a materials engineering study with no relevance to microplastic pollution.
Post-Processing Techniques to Enhance the Quality of Metallic Parts Produced by Additive Manufacturing
This review examined post-processing techniques for improving the surface finish, microstructure, and mechanical properties of metallic parts produced by additive manufacturing, comparing methods like machining, heat treatment, and surface coatings.
An ultra-strong and ductile crystalline-amorphous nanostructured surface layer on TiZrHfTaNb0.2 high-entropy alloy by laser surface processing
Researchers applied laser surface remelting to a TiZrHfTaNb high-entropy alloy and produced a surface layer with a novel crystalline-amorphous nanostructure, finding that this heterogeneous structure provided superior strength and ductility compared to the bulk alloy through cooperative deformation mechanisms.
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.
Titanium Alloy Repair with Wire-Feed Electron Beam Additive Manufacturing Technology
Researchers demonstrated the feasibility of using wire-feed electron beam additive manufacturing to repair titanium alloy components under vacuum conditions, producing repaired material with high performance and reliability due to the prevention of atmospheric contamination during high-temperature processing.
The Effects of Deep Cryogenic Treatment with Regard to the Mechanical Properties and Microstructural Evolution of Al-Mg Alloys with Different Grain Sizes
Deep cryogenic treatment (exposing materials to very low temperatures) was studied for its effects on microplastic mechanical properties, finding changes in brittleness and fragmentation tendency. Understanding how temperature extremes affect plastic degradation informs predictions of microplastic generation in cold environments.
Multiscale hierarchical and heterogeneous mechanical response of additively manufactured novel Al alloy investigated by high-resolution nanoindentation mapping
Researchers used high-resolution nanoscale testing to map the mechanical properties of a new aluminum alloy made by 3D metal printing, revealing how tiny precipitate particles and rapid cooling during printing create regions of dramatically different hardness that affect the alloy's overall strength and performance.
Microstructure and Mechanical Properties of β-Titanium Ti-15Mo Alloy Produced by Combined Processing including ECAP-Conform and Drawing
Researchers processed medical metastable beta-titanium Ti-15Mo alloy through a combined severe plastic deformation route involving equal channel angular pressing-conform followed by drawing, studying the resulting microstructure and mechanical properties to assess this approach for enhancing the strength and fatigue performance of the alloy.
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.
On Structural Sensitivity Of Young’s Modulus Of Ni-Rich Ti-Ni Alloy
This study explored how varying the initial microstructure and aging-induced precipitation in a Ni-rich Ti-50.8 at% Ni alloy modulates its Young's modulus over a wide range, providing guidance for tailoring implant materials to match the mechanical properties of bone.
In-situ neutron diffraction study of lattice deformation behaviour of commercially pure titanium at cryogenic temperature
Researchers used neutron diffraction — a technique that tracks how atomic structures stretch under stress — to study how commercially pure titanium deforms at extremely cold temperatures down to near absolute zero. They found that more twinning (a type of crystal rearrangement) at lower temperatures helps explain why titanium becomes surprisingly more ductile in cryogenic conditions.
Improving Pure Titanium’s Biological and Mechanical Characteristics through ECAP and Micro-Arc Oxidation Processes
Researchers enhanced commercially pure titanium's mechanical and biological properties for biomedical implants using equal-channel angular pressing combined with micro-arc oxidation, improving its feasibility as an alternative to titanium alloys.
Structure Refinement and Bauschinger Effect in fcc and hcp Metals
This study investigated how varying initial microstructure and aging-induced changes in a nickel-rich Ti-Ni shape memory alloy affect its Young's modulus, relevant to designing low-modulus bone implants that better match natural bone stiffness.
On Structural Sensitivity of Young’s Modulus of Ni-Rich Ti-Ni Alloy
This study examined how grain size and heat treatment affect Young's modulus in nickel-rich titanium-nickel alloy for bone implant applications. This is a materials science paper focused on biomedical alloys with no direct relevance to microplastics or environmental health.
Self-Heating and Fatigue Assessment of Laser Powder Bed Fusion NiTi Alloy with High Cycle Fatigue Mechanisms Identification
Researchers applied the self-heating method for the first time to laser powder bed fusion (LPBF) NiTi alloys, testing two loading ratios to rapidly assess fatigue properties. The study identified key high-cycle fatigue mechanisms including intra-grain misorientation, persistent slip band growth, and stress-induced martensite formation.
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.
Impact of the Allowed Compositional Range of Additively Manufactured 316L Stainless Steel on Processability and Material Properties
This study examined how slight variations in the chemical composition of 316L stainless steel affect its processability in 3D printing and the properties of the final parts. The findings help manufacturers optimize additive manufacturing processes for medical and industrial applications.
Modification of the Properties of Vt1-0 Nanostructured Titanium Alloyusing Various Influences
Researchers investigated the effects of electron irradiation (10 MeV, dose 5x10^19 cm^-2) and ultrasonic treatment on the microstructure and creep behavior of VT1-0 titanium alloy in both industrial and nanostructured states produced by intensive plastic deformation. At test temperatures of 20 and 350 degrees C, the strength characteristics of the alloy were shown to depend on the structural state resulting from each treatment.
Improving the Defect Tolerance and Fatigue Strength of AM AlSi10Mg
Heat treatment of additively manufactured AlSi10Mg by stress relief annealing or T6 artificial aging dissolved the cellular silicon-rich network, reducing hardness and tensile strength but improving fatigue strength by reducing residual stresses and significantly improving defect tolerance.
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.
Modification of Mechanical Properties of High-Strength Titanium Alloys VT23 and VT23M Due to Impact-Oscillatory Loading
Researchers tested an impact-oscillation method for improving the mechanical properties of high-strength titanium alloy sheets. This is a metallurgical engineering paper unrelated to environmental microplastics.