Shubo Wang

• Doctor of Philosophy
• Academy Research Fellow at University of Oulu

Proline (Pro) is one kind of proteinogenic amino acid and an important signaling molecule in the process of metabolism. Hydroxyproline (Hyp) is a product on Pro oxygen sensing post-translational modification (PTM), which is efficiently modulated tumor cells for angiogenesis. Distinguishing between Pro and Hyp is crucial for diagnosing connective ti...

The microstructure of as‐extruded Mg–2Zn–2Al–0.3Mn–xY (0 ≤ x ≤ 5 wt%) alloys are investigated, revealing the influence of grain size and second‐phase particle size on the mechanical properties and corrosion resistance of alloys. Additionally, the alloy composition is optimized. In the results, it is indicated that all alloys undergo complete dynami...

The versatility of metal tellurate chemistry enables the creation of unique structures with tailored properties, opening avenues for advancements in a wide range of applications. However, precise nanoengineering of Ni 3 TeO 6 ,...

An in‐depth understanding of thermal deformation of medium‐Mn steels (MMnSs) is crucial for the forming fabrication of key automotive components. In this work, the Fe–0.15C–10Mn MMnSs are compressed under conditions of 900–1150 °C/0.001–10 s ⁻¹ . Two‐stage models, dynamic recovery (DRV) and dynamic recrystallization (DRX), are constructed and prove...

This study undertakes a systematic investigation into the influence of cryogenic rolling (CR) deformation on the microstructure evolution and mechanical properties of low‐density Fe‐28Mn‐8Al‐1C steel. The results reveal that the microstructure undergoes a series of transformations, from equiaxed austenite grains to elongated grains with strain band...

Single-molecule surface-enhanced Raman spectroscopy based on a particle trapped in a plasmonic nanopores provides a unique method for continued and controlled detection of peptide and DNA oligonucleotides in liquid medium. However, the Brownian motion of the particle and the molecule diffusion acting on the particle hinder single-molecule sequencin...

The influence of room temperature (RT) and cryogenic temperature (CR) supersonic fine particle bombardment (SFPB) on the surface, microstructure, and mechanical properties of Fe–28Mn–8Al–1C lightweight steel is investigated in this work. The results indicate that both RT‐SFPB and CR‐SFPB successfully induce gradient nanostructures on the surface of...

High-temperature tensile experiments with tensile rates ranging from 0.01 s−1 to 10 s−1 were carried out at various temperatures ranging from 1000 °C to 1250 °C with a Gleeble-3800 thermal simulation tester to evaluate the physical properties of an as-cast Ni–W–Co–Ta medium–heavy alloy. The microstructure evolution of the alloy during high-temperat...

The rapid growing demand for electric vehicles (EVs) has highlighted the need for high-energy-density batteries. The cathode material plays a vital role in achieving this goal[1]. As the limitations of cathode capacity improvement are approached, the pursuit for high-voltage materials becomes a viable option[2]. Lithium nickel manganese oxide LNMO...

This study aimed to investigate the influence of extrusion temperature (ranging from 330 to 370 °C) on the microstructure, mechanical properties, and corrosion resistance of the Mg-2.0Zn-0.4Mn-4.0Al alloy. The findings reveal that dynamic recrystallization (DRX) occurs in all the as-cast Mg alloys, particularly noticeable at 350 °C. Lower extrusion...

LiNiO2 cathode materials with magnesium and chromium doping were prepared using a simple low - cost and efficient co - precipitation and lithiation procedure. During this procedure, both magnesium and chromium form a concentrated core particle, unto which nickel hydroxide precipitates. During lithiation, the elements in question will redistribute t...

An aging treatment of 16 h at different temperatures (650-800 °C) was carried out to medium-heavy alloys with 90% deformation degree after room temperature rolling and cryorolling. The effects of the aging temperatures on the mechanical properties and microstructure of the two cold-rolled medium-heavy alloys were studied with tensile testing machin...

Fe–Mn–Al–C austenitic steels have promising prospects for lightweight applications, due to their low density, excellent strength, and ductility. But the specific strength ratio of these alloys are still low as compared to other alloys. Herein, an orthogonal rolling (OR) process was used to improve the mechanical strength of a Fe–28Mn–8Al–1C low-den...

Microstructure, mechanical and corrosion properties of hot-extruded Mg-2.0Zn-0.4Mn with varying Al addition were investigated in this study. The results demonstrate that adding Al to Mg-2.0Zn-0.4Mn promotes dynamic recrystallization significantly during hot extrusion and improves the tensile mechanical properties and corrosion resistance of the hot...

Laser shock peeing (LSP) was introduced to produce surface gradient structures on 300M steel to improve its performance, service life and related workpiece safety. The influences of LSP rounds on microstructural and mechanical properties were investigated to optimise the LSP processing. Smoother surface, surface nanocystallization, and gradient str...

Despite great attention toward transition metal tellurates especially M3TeO6 (M = transition metal) in magnetoelectric applications, control on single phasic morphology-oriented growth of these tellurates at the nanoscale is still missing. Herein, a hydrothermal synthesis is performed to synthesize single-phased nanocrystals of two metal tellurates...

Co-precipitation of Ni0.8Co0.1Mn0.1(OH)2 (NCM811) and Mg-doped (0.25 wt% and 0.5 wt%) NCM811 precursors is carried out from concentrated metal sulphate solutions. In this paper, the aim is to study the role of magnesium dopant in the co-precipitation step of NCM811, the cathode active material and further the Li-ion battery cell performance. Based...

In this study, a new medium-heavy alloy (MHA) of 55Ni-39 W-5Co-1Ta was designed, based on the principles of face-centered cubic structures and age-strengthening. The microstructure and properties of pre-deformed MHA after aging were systematically explored by room-temperature tensile testing, scanning electron microscopy, transmission electron micr...

The overwhelming impact of complex-phase microstructures on mechanical response in multiphase steels requires accurate constitutive properties of the individual phases. However, precise prediction of individual phase properties on their mechanical response is critical and sophisticated, which commonly requires multiscale characterizations and numer...

The widely used stainless steels and their deformed variants are anticorrosive in ambient conditions due to passivation layers composed of chromium oxides. Conventionally, corrosion and erosion of the steels are attributed to the breakdown of such layers but seldomly to the origin that depends on surface heterogeneity at the microscopic level. In t...

The microstructure, mechanical properties, and corrosion resistance to simulated body fluid solution behavior of as-extruded Mg-1.8Zn-0.5Zr alloys with different Gd additions are investigated. It is found that dynamic recrystallization occurs in the alloys during extrusion and the grain size gradually decreases with Gd alloying. The mechanical prop...

The crystallization in glasses is a paradoxical phenomenon and scarcely investigated. This work explores the non-isothermal crystallization of a multicomponent alumino-borosilicate glass via in situ high-energy synchrotron X-ray diffraction, atomic pair distribution function, and Raman spectroscopy. Results depict the crystallization sequence as Ca...

The effect of surface nanocrystallization produced by laser shock processing (LSP) on the corrosion fatigue behavior of 300M steel was systematically investigated. The surface integrity, microstructure evolution and residual stresses before and after corrosion fatigue were characterized. The results showed that afte LSP the surface grain size of 30...

Engendering stimuli-responsive and green shapable materials is a critical aspect of intelligent, responsive packaging technologies. Thermochromism, i.e., the optical response of materials to thermal stimuli, merges the visual appearance of the packaging with the temperature of the surroundings and cargo. Herein, sustainable, functional two-dimensio...

The surface treatment of Ti80 alloy with different microstructures was performed by laser shock peening (LSP), and the effect of LSP on Ti80 alloy on microstructure and corrosion properties was investigated. After LSP, the surface grains of Ti80 alloy with different microstructures were all refined, microhardness was significantly increased, and co...

In this work, the surface modification of Ti-6Al-3Nb-2Zr-1Mo (Ti80) alloy was performed by laser shock peening (LSP). The resultant microstructure, mechanical properties and corrosion properties of LSP-treated (LSPed) Ti80 were systematically investigated by 3D profiler, x-ray diffractometer (XRD), optical microscope (OM), transmission electron mic...

Phase transformation in low alloyed Fe-C steels during quenching and partitioning (Q&P), though authentically attributed to carbon diffusion, is scarcely quantified experimentally in terms of microstructural evolution and lack of fundamental backing at a quantum mechanics level. Herein, we report on a combined in-situ high energy synchrotron X-ray...

In this work, supersonic fine particle bombardment (SFPB) was applied to modify surface of TC11 alloy and its impacts on microstructure and fatigue properties were systematically studied. The modified surface owned a nanoscale grain structure and a compressive residual stress with an amplitude of -196 MPa. The depth of hardened layer was about 300...

Determining non-metallic inclusions (NMIs) are essential to engineer ultra-high-strength steel as they play decisive role on performance and critical to probe via conventional techniques. Herein, advanced Synchrotron X-ray absorption coupled with photoemission electron microscopy and first-principles calculations are employed to provide the structu...

The influence of flash heating by using a continuous direct current on the recrystallization behavior of an Al-5Cu alloy under the influence of concurrent precipitation of Al2Cu precipitates has been investigated. In comparison to isothermal annealing in salt bath, recrystallization kinetics of the Al-5Cu alloy is greatly accelerated by the direct...

The need of an efficient and sustainable way to store energy is an urgent necessity. Unfortunately, due to the cost and limited resources of lithium, the use of the most mature Li-ion batteries for grid-scale storage of renewable energy production is nowadays going on slowly. Here, a low-cost, high-capacity Al/graphite rechargeable aluminum battery...

Due to their low cost, high abundance and eco-friendly features, Na-ion batteries are becoming alternative choices for rechargeable batteries, especially in large scale applications. Generally, the well-crystallized materials have many advantages over the amorphous, such as long cycle life, high rate performance and other electrochemical properties...

Hollow α-Fe2O3 nanospheres are synthesized by a carbon-template method. The open channels and tiny particles present within the hollow nanospheres facilitate the penetration of the electrolyte, efficiently reducing the diffusion length for both Na ions and electrons and tolerating volume expansion and particle pulverization. A high discharge capaci...

A composite of Fe2O3 capped by conductive polyaniline (PANI) was synthesized by a facile two-step method through combining homogeneous Fe2O3 suspension prepared by a hydrothermal method and in-situ polymerization of aniline. As anode material for lithium ion batteries, the Fe2O3/PANI composite manifests very large discharge capacities of 1635 mAh g...

α-Fe2O3 nanorods have been successfully obtained by annealing α-FeOOH precursor nanorods synthesized by a facile hydrothermal method. The electrochemical performance of the asprepared α-Fe2O3 nanorods as anode materials for sodium-ion batteries is tested using galvanostatic charge/discharge cycling. The result indicates that the pesudocapacitor eff...

Ruthenium doped nanostructured lithium titanates have been synthesized through a reverse microemulsion method with a subsequent sintering process. The as-prepared powders are characterized by the X-ray diffraction and transmission electron microscope techniques. The results indicate that a solid solution of Li4Ti5 − xRuxO12 is formed when x was les...

Electrochemical tests, including anodic polarization, Tafel polarization and electrochemical impedance spectrum (EIS), were used to evaluate the anodic behaviors of a ternary alloy of Ni0.94Si0.04Al0.02 in molten NaOH at 773 K. The results revealed that a conductive passivation layer had formed during electrolysis, which protected the Ni0.94Si0.04A...

Titanium oxycarbide (TiCxOy) was successfully prepared by an electro-deoxidation of TiO2/C composite cathode in molten calcium chloride at 900 °C. The composite cathode was prepared by adding an amount of carbon into TiO2 powders. By using X-rays diffraction and scanning electron microscopy, it was found that the presence of carbon resulted in chan...