Results 41 to 50 of about 418 (171)

Achieving high ductility in a 1.4 GPa grade medium Mn lightweight TRIP/TWIP steel with hierarchical lamellar structure [PDF]

open access: yes, 2022
The present work reports a tri–phase hierarchical lamellar structure to tailor the ultra–high yield strength and high ductility balance in a novel Si–Al added medium Mn lightweight TRIP/TWIP steel.
HL Yan (14616233)   +6 more
core  

Overcoming the strength-ductility trade-off in ω-phase strengthened metastable β titanium alloys via dual heterogeneous structure

open access: yesMaterials Research Letters
This study successfully developed a dual heterogeneous structure metastable β titanium alloy via partial recrystallization and low-temperature aging. Compared to ω-phase strengthened homogeneous coarse-grained structures, dual heterogeneous structure ...
Xinkai Ma   +3 more
doaj   +1 more source

Ductile B2 Intermetallics‐Driven Strength‐Ductility Synergy in Heterolaminated Multi‐Principal Element Alloys

open access: yesAdvanced Science, EarlyView.
Intrinsic phase toughening transforms a brittle B2 intermetallic into a plastically deformable, load‐bearing phase, while a heterogeneous laminated architecture suppresses strain localization and interface cracking. The synergy between ductile intermetallics and mesoscale heterogeneity establishes a general design strategy for breaking the long ...
Lu Yang   +9 more
wiley   +1 more source

F‐Type Pyocin Versus Phage λ Tail: Conserved Hub, Divergent Fibers

open access: yesAdvanced Science, EarlyView.
Near‐atomic cryo‐EM structures of a Gram‐negative F‐type pyocin reveal a conserved tail tip architecture shared with bacteriophage λ together with a previously unrecognized side‐fiber attachment mode. These findings provide new insight into tailocin assembly and host recognition and establish a structural framework for engineering precision ...
Zhiwei Gu   +5 more
wiley   +1 more source

Bio‐Based Polyurethanes for Sustainable and Multifunctional Applications

open access: yesAdvanced Science, EarlyView.
Bio‐based polyurethanes prepared from vegetable oils, lignin, and polysaccharides have attracted increasing interest as alternatives to fossil‐derived polyurethanes. This review summarizes recent progress in their chemistry, structural engineering, and advanced applications, highlighting the roles of feedstocks, chain‐segment design, dynamic covalent ...
Xin Li   +6 more
wiley   +1 more source

Pre-compression effects on strain-hardening behavior in Fe-15.5Mn-1.4Al-0.6C steel: Insights from TWIP effects and microstructural heterogeneity

open access: yesJournal of Materials Research and Technology
This study investigates the effects of heterogeneous microstructures and twinning-induced plasticity (TWIP) effect on the strain-hardening behavior of high-Mn steel, aiming to enhance the understanding of mechanisms that can improve the yield strength of
Zeng Huang   +5 more
doaj   +1 more source

High strength and high ductility achieved in a heterogeneous lamella-structured magnesium alloy

open access: yesMaterials Research Letters, 2023
By introducing heterogeneous lamella-structure, we obtained a superior strength-ductility synergy in Mg-alloy associated with excellent strain-hardening ability, i.e. yield strength of ∼251 MPa, tensile strength of ∼393 MPa and elongation of ∼23%.
Tong Wang   +7 more
doaj   +1 more source

Hydrogen‐Bond Enabled Phosphite Based Intrinsic Flame‐Retardant Solid‐Solid Phase Change Materials Using Catalyst/Solvent‐Free Multi‐Component Reaction for Battery Thermal Management

open access: yesAdvanced Science, EarlyView.
The phosphite group endows intrinsic flame retardancy, while the P = O bond enhances intermolecular interactions to realize solid‐solid phase transition. Battery thermal management tests show the materials extend the safe working time of lithium‐ion batteries by 200%. Cone calorimeter tests indicate a 14s delay in ignition time, and reductions of 37.6%,
Changhui Liu   +9 more
wiley   +1 more source

Optimizing the strength and ductility of pure aluminum laminate via tailoring coarse/ultrafine grain layer thickness ratio

open access: yesJournal of Materials Research and Technology, 2023
Ultrafine-grained (UFG) materials typically exhibit high strength but disappointingly low ductility due to the limited dislocation accumulation. To evade the strength-ductility tradeoff of UFG pure aluminum (Al), four kinds of UFG/coarse-grained (CG)/UFG
Xiang Chen   +5 more
doaj   +1 more source

Efficient design of harmonic structure using an integrated hetero-deformation induced hardening model and machine learning algorithm [PDF]

open access: yes, 2023
Harmonic structured material (HSM) of coarse-grained core and fine-grained shell microstructure in SS304L was designed using a three-dimensional numerical model developed to simulate the unique deformation behavior of heterostructured materials.
Kim, Yongju   +4 more
core   +1 more source

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