Dynamic compression energy evolution and deformation and failure characteristics of limestone under dry-wet cycles by Jichao DUAN, Qi ZONG, Pengfei GAO, Haibo WANG, Nao LYU, Hao WANG

“…Furthermore, the evolution of limestone's microstructure during dry-wet cycles was observed using a scanning electron microscope to reveal the microscopic mechanisms underlying its macroscopic physical and mechanical degradation. …”
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Research on the thermal-mechanical interaction of the defect evolution and surface generation during the drilling of thermoplastic composites by Xunxun Zhang, Jielin Chen, Han Li, Linjia Zhu, Yaya Zhou, Ronghua Yan, Ruhao Tao, Liangliang Lin, Qinglong An, Weiwei Ming, Ming Chen

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Nonlinear ultrasonic characterization of γ΄ phase evolution in DZ411 alloy after long-term aging by YANG Gangzhengliang, LI Ping, CAO Tieshan, ZHAO Jie

“…To explore the feasibility of the nonlinear ultrasonic method in the aging microstructure evolution application of directionally solidified nickel-based superalloy， DZ411 directionally solidified nickel-based superalloy is studied.The microstructure observation， γ΄ phase quantitative characterization， nonlinear ultrasonic detection， and lattice mismatch analysis of DZ411 alloy under different aging conditions are carried out by using nonlinear ultrasonic detection technology， combined with SEM and XRD. …”
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Mechanical manifestation characteristics and damage evolution law of unloading perturbation damage in surrounding rock of deep roadways by Xinfeng Wang, Tian Jiang, Chuanqi Zhu, Youyu Wei, Yunhui Jiang

“…Results show that: ①Rock deformation and destabilization are closely related to the microstructural properties. There are numerous tiny cracks inside the rocks, which tend to expand and interconnect under external forces, leading to rock fracture. ②Rock damage progresses through five stages: initial compression, linear elastic deformation, nonlinear crack generation, post-peak strain softening and destruction. …”
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Evolution of sigma phase precipitates in Cu-containing 25Cr–20Ni austenitic stainless steels by Gunjick Lee, Heechan Jung, Han Jun Yu, Jung Hun Han, Seok Su Sohn, Jae-Hyeok Shim

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Research on the damage evolution law of iron tailing sand based foam concrete under cyclic loading by Xiaoli Du, Liping Zhu, Yanyan Li, Haowei Wang, Kai Xu

“…The hysteresis curve, fatigue strength, loading-residual strain, energy evolution and microstructure were investigated and analyzed, taking into account the influencing factors of different iron tailing sand contents. …”
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Dispersoid evolution in Al–Zn–Mg alloys by combined addition of Hf and Zr: A mechanistic approach by V. Wessely, U. Töpfer, I. Basu, R.E. Schäublin, S. Pogatscher, P.J. Uggowitzer, J.F. Löffler

“…The microstructure was assessed using transmission electron microscopy (TEM) and atom probe tomography (APT), and the mechanical response was evaluated by hardness testing. …”
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Structural evolution and mechanical behavior of NbTiVZr high-entropy alloy fabricated by electrostatic levitation by Yongxia Fan, Yan Lin, Qingbo Ao, Jian Wang, Chun Li, Chong Wei, Jianzhong Wang

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A physically-based formulation for texture evolution during dynamic recrystallization. A case study of ice by Chauve, Thomas, Montagnat, Maurine, Dansereau, Véronique, Saramito, Pierre, Fourteau, Kévin, Tommasi, Andréa

“…However, this prediction remains a challenge.We propose a new formulation for modeling texture evolution due to dynamic recrystallization on the basis of observations of the evolution of the microstructure and texture of ice deforming by dislocation creep and dynamic recrystallization. …”
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Tectonometamorphic evolution of a subduction plate interface at the base of the Mirdita Ophiolite (Bajram Curri, northeastern Albania) by Madeline Richter, Kilian Pollok, Kujtim Onuzi, Kamil Ustaszewski

“…This setting allows to study the interrelated tectonometamorphic evolution and rock-water interaction between the subducted and exhumed metamorphic sole and concomitant mantle wedge serpentinization in the overlying units. …”
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Austenite evolution and quantification in aged 250 maraging steel: A comparative analysis of X-ray diffraction methods by Fábio Lima da Silva, Julianna Magalhães Garcia, Alaelson Vieira Gomes, Luiz Paulo Mendonca Brandao

“…This study provides a comprehensive understanding of austenite evolution, integrating XRD phase quantification, SEM and TEM microstructural characterizations, and mechanical performance analysis to optimize aging treatments in 250-grade maraging steel.…”
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High-Temperature Tensile Grain Evolution and Mechanical Properties of Additively Manufactured TA15 Aerospace Titanium Alloy by Pengfei Li, Zhenkun Dong, Qingtao Yang, Hao Xu, Dehai Kong, Minghui Hu

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Morphological Evolution of Sn‐Metal‐Based Anodes for Lithium‐Ion Batteries Using Operando X‐Ray Imaging by Bouchra Bouabadi, André Hilger, Paul H. Kamm, Tillmann R. Neu, Nikolay Kardjilov, Michael Sintschuk, Henning Markötter, Thomas Schedel‐Niedrig, Daniel Abou‐Ras, Francisco García‐Moreno, Sebastian Risse

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Structural Evolution and Mechanical Properties of FeCoNiAlTi HEA Coatings Fabricated by Plasma Surfacing by WANG Yonghong, ZHANG Chunlin, ZHANG Shihan, YU Jianping, LIU Yingfu, JIE Zhiwen

“…In order to deeply study the influence of the surfacing current on the microstructure and mechanical properties of FeCoNiAlTi highentropy alloy coatings in the plasma surfacing process parameters， five different surfacing currents (140， 160， 180， 200， 220 A) were used for coating preparation， and the microstructure， hardness， wear resistance and tensile properties of the coatings were evaluated by XRD， OM，SEM， micro-Vickers hardness tester， profilometer， friction wear tester and universal testing machine， respectively.Results showed that the porosity and elemental segregation of the coating were significantly improved with the increase of the surfacing current，but there was no significant effect on the coating phase composition.The coating mainly consisted of the typical FCC solid solution phase and Co3 Ti precipitation phase.When the surfacing current was 180 A， the surface microhardness of the obtained T3 coating was up to 322.77 HV0.2， which was about twice that of the substrate.At the same time， the T3 coating showed the best wear resistance， with a maximum wear depth of only 2.144 μm， an average friction coefficient of 0.362 and the lowest wear rate of 3.83×10－6 mm3/(N·m).In addition， the tensile strength and elongation of the T3 coating were 948 MPa and 26.61%， respectively， showing excellent strength and toughness.…”
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Evolution of Crystallographic Texture, Grain Growth and Corrosion Resistance of an SAE 1075 Steel Subjected to Different Thermomechanical Treatments by Francisco Felipe de M. Fideles, Mauro Andres C. Florez, Walney Silva Araújo, Jorge Luiz Cardoso, Marcos Natan da S. Lima, Pedro Henrique P. Lima, Samille Kricia B. Lima, Leonardo Henrique A. Mendes, Luís Flávio G. Herculano, Caio Victor P. Pascoal, Ivo Fernandes Tavares, Hamilton Ferreira G. de Abreu

“…After evaluating their microstructures and noticing significant changes in their crystallographic textures, through SEM/EBSD techniques such as Cube, Goss and Brass components, these samples were subjected to electrochemical tests to evaluate their corrosion resistance in a synthetic seawater solution, highlighting the highest polarization resistance for the Goss component and family of plans {011}. …”
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Mn‐Doped Tuned NiC/NiO Heterostructure for Efficient Electron Transfer in Hydrogen Evolution Reaction by Tianyi Li, Ailing Fan, Yuanyuan Li, Yaqi Quo, Yang Zhu, Haijiao Xie

“…After 24 h catalytic hydrogen evolution test, its microstructure and potential show negligible change under 200 mA cm−2. …”
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Synthesis of Self⁃Supported Pt@Ni(OH)2 Catalysts and Their Electrocatalytic Hydrogen Evolution Performance for Water Splitting by Kangsheng HUANG, Ning WANG, Mingrui GUO

“…However,a systematic understanding of the structure–activity relationship between Ni(OH)₂ supports and Pt nanoparticles,as well as the impact of synthesis parameters on catalytic performance,remains lacking.This study focuses on the regulation of Ni(OH)₂ support phase evolution and Pt interfacial growth behavior by hydrothermal synthesis temperature.By analyzing the structure–performance relationship through the synthesis parameter–microstructure–catalytic performance correlation mechanism),the synergistic effects of temperature on the crystallinity of the support,Pt particle size distribution,and interfacial electronic structure were elucidated.Experimental results indicate that the Pt@Ni(OH)₂ catalyst synthesized at 100 ℃ exhibits outstanding HER activity in 1 mol/L KOH electrolyte,with overpotentials of only 5 mV at 10 mA/cm² and 62 mV at 100 mA/cm²,along with a Tafel slope of 70.0 mV/dec.After 50 hours of continuous operation,the electrode maintains nearly unchanged HER performance,demonstrating remarkable stability.…”
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Mechanistic controls on permeability evolution in thermally-upgraded low-maturity oil shales: Application of machine learning outputs by Bo He, Lingzhi Xie, Xin Liu, Jun Liu, Derek Elsworth

“…Fractal dimensions indicate that the pore microstructure is anisotropic in the bedding-parallel and bedding-perpendicular directions and is upgraded by elevated temperature. …”
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Multiscale investigation of thermally activated coal gangue aggregate concrete interfacial transition zone evolution and failure mechanisms by Jie Zhou, Shengpeng Hao, Yong Chen, Shurong Zhang, Wenyu Xu

“…Uniaxial compression testing, SEM, XRD, NMR, and PFC3D meso‑scale simulations were employed to elucidate the effects of calcination temperature on 28‑day compressive strength, ITZ microstructure, pore‑size distribution, and crack initiation and propagation. …”
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Texture evolution in building direction of wire arc additive manufactured 316L stainless steel with high plasticity by Hang Dong, Yongcun Li, João Pedro Oliveira, Sheng Gao, Wenjun Zhu, Yong Wang

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