Results 21 to 30 of about 372 (177)

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

Journal 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, Shuren Fu, Yue Wu, Shuai Luo, Zhanguang Zheng, Haiming Zhang   +5 more
doaj   +1 more source

Dual heterogeneous structure facilitating an excellent strength-ductility combination in an additively manufactured multi-principal-element alloy

Materials Research Letters, 2022
The (FeCoNi)86Ti7Al7 multi-principal-element alloy with a dual heterogeneous microstructure was successfully fabricated by selective laser melting, exhibiting an excellent combination of strength (ultimate tensile strength, 1085.2 ± 23.2 MPa) and ...
Jing Huang, Wanpeng Li, Junyang He, Rui Zhou, Tzu-Hsiu Chou, Tao Yang, Chain-Tsuan Liu, Weidong Zhang, Yong Liu, Jacob C. Huang   +9 more
doaj   +1 more source

Strain hardening mechanism induced by basal/pyramidal dislocation reactions in a 3D-printed high-strength titanium alloy

Materials Research Letters
The high yield ratio and low strain hardening ability of titanium alloys significantly limit their engineering applications. In this work, a Ti65Zr30Cu5 (at.%) alloy with nanoscale α laths was additively manufactured and achieved a high yield strength of
Qiaodan Yan, Xin Lin, Jun Yu, Xufei Lu, Weidong Huang   +4 more
doaj   +1 more source

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

Materials 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, Min Zha, Chunfeng Du, Hai-Long Jia, Cheng Wang, Kai Guan, Yipeng Gao, Hui-Yuan Wang   +7 more
doaj   +1 more source

Superior fracture toughness with high yield strength in a high-Mn steel induced by heterogeneous grain structure

Materials & Design, 2023
Heterogeneous grain structures were designed in a high Mn steel (Fe28Mn10Al1.00C), and the tensile properties and fracture toughness were investigated and compared with those for homogeneous structures.
Shengde Zhang, Muxin Yang, Xiaolei Wu, Fuping Yuan   +3 more
doaj   +1 more source

Functionalizing Micro‐to‐Mesoscopic Electrode Architectures for Regulating Electron Transfer Behaviors in Electrocatalysis

Advanced Functional Materials, EarlyView.
A systematic review is conducted to assess the influence of electrode architecture across micro‐ to mesoscopic length scales on electron‐transfer pathways in electrocatalysis. We discuss the structure‐activity relationships in electrocatalytic applications, including resource recovery and environmental remediation, and provide cost‐effective, efficient
Manshu Zhao, Jiaojiao Zhang, Shideng Yuan, Xinmeng Yu, Keming Wan, Xiaoguang Duan, Zhining Wang   +6 more
wiley   +1 more source

Heterostructure enables new deformation mechanisms to enhance strength and work hardening

Materials Research Letters
Reflection of geometrically necessary dislocations (GNDs) has been reported effective in increasing strength and ductility of dual-phase alloys. However, this mechanism is rarely observed in conventional single-phase alloys. Here we report the activation
Bo Gao, Xinxin Dong, Xuefei Chen, Lirong Xiao, Qi Zhou, Xiaodong Han, Dongdi Yin, Hao Zhou, Yuntian Zhu   +8 more
doaj   +1 more source

Artificial Intelligence‐Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

Advanced Materials, EarlyView.
AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll, Ivan Pinto‐Huguet, Enzo Rotunno, Thomas Galvani, Catalina Coll, Payam Habibzadeh Kavkani, Maria Chiara Spadaro, Yann‐Michel Niquet, Martin Børstad Eriksen, Sara Martí‐Sánchez, Georgios Katsaros, Giordano Scappucci, Peter Krogstrup, Giovanni Isella, Andreu Cabot, Gonzalo Merino, Pablo Ordejón, Stephan Roche, Vincenzo Grillo, Jordi Arbiol   +19 more
wiley   +1 more source

Defect‐Engineered Microwave‐Responsive Ni@C Composites From Waste PET for Catalytic Plastic Upcycling

Advanced Materials, EarlyView.
A circular upcycling strategy transforms waste poly(ethylene terephthalate) bottles into microwave‐responsive Ni@C catalyst featuring lattice‐distorted nickel cores and defective carbon shells. These strain‐rich heterointerfaces enhance dielectric loss and promote localized microwave hotspots, accelerating peroxymonosulfate activation and polymer‐chain
Xiao Lu, Shiying Ren, Jingkai Lin, Kunsheng Hu, Yalan Mo, Shaobin Wang, Wenjie Tian, Xiaoguang Duan   +7 more
wiley   +1 more source

Simultaneously improved strength and ductility yet strain-hardenable 316L stainless steel by sigma phase and hetero-structuring

Materials & Design
In this study, we produced both homogeneous and heterogeneous-structured 316L austenitic stainless steels (SSs), each exhibiting comparable levels of yield strength (YS).
Young-Kyun Kim, Sang Hun Shim, Yong Keun Kim, Ka Ram Lim, Young-Sang Na   +4 more
doaj   +1 more source