Investigation of high-temperature wear behaviour of Mo-alloyed SS316 laser claddings deposited by LDED for heat exchanger tubes by C.R. Aprameya, Sharnappa Joladarashi, M.R. Ramesh

“…This research evaluated the high-temperature wear performance of these composite claddings using ball-on-flat tribological testing under applied loads of 10 and 20 N at 400°C. Microstructural evolution, wear mechanisms, and oxide formation were comprehensively analyzed using FE-SEM, XRD, EDS, and Raman spectroscopy, while surface topography was assessed with 3D non-contact profilometry. …”
Get full text

Photocatalytic degradation of textile dye with titanium (IV) doped tungsten oxide nanoparticles by Shree H.K. Ranjini, Nidhi Pathak, Charu Lata Dube Dube

“…The photocatalytic activity of textile dye was analyzed by UV-Vis spectrophotometer under visible light. …”
Get full text

The development and applications of semiclassical initial value representation, a promising tool for tackling quantum dynamics by Jia-Xi Zeng, Xin-Zheng Li

Get full text

Fractality of Fractures of Aluminum and Titanium Alloys Irradiated by Intensive Electron Beam by V.F. Klepikov, V.V. Lytvynenko, Yu.F. Lonin, A.G. Ponomarev, O.A. Startsev, V.T. Uvarov

“…The irradiation resulted in significant changes of the microstructure parameters (i.e. grain size, damage character). …”
Get full text

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. …”
Get full text

First-principles Calculation and Analysis of Piezoelectric Properties of Sn-doped Barium Titanate Ceramics by WANG Wanru, LI Caixia, MA Xiaoxuan, LI Chenglong, JI Nan, LI Tianqi

“…To explore the regulation mechanism of microstructure and macroscopic electrical properties of Sn-doped BaTiO3 lead- free piezoelectric ceramics. …”
Get full text

Study on the sound absorption characteristics and noise reduction mechanism of coconut-shell-activated carbon particles and coconut fiber composite biomass sound-absorption materia... by Zhenhua Hou, Xiaoying Ma, Liai Pan, Rui Zhang, Libo Wang

“…The acoustic performance of an impedance tube was tested based on the acoustic absorption coefficient, whose physical performance was studied by means of a scanning electron microscope (SEM), Brunauer, Emmett and Teller (BET), x-ray diffraction (XRD), a Fourier transform infrared spectrometer (FTIR), thermogravimetric analyzer (TGA) and other detection methods. In contrast, the sound absorption effect of CSAC-F was better in the middle- and low-frequency range, whose microstructure was analyzed and its mechanism of noise reduction was studied. …”
Get full text

Effect of rare earth Ce on high temperature oxidation resistance and corrosion resistance of cobalt-based alloys by DING Rui, ZHANG Liang, WU Wenheng

“…The influence of Ce element on high-temperature oxidation resistance and corrosion resistance was systematically discussed. The microstructure and phase composition of the alloys were analyzed by scanning electron microscopy, X-ray diffractometer, high-temperature oxidation weight gain experiment, and electrochemical test. …”
Get full text

Casting Process and Quality Control Analysis of Zr705C Zirconium Alloy by Youwei Zhang, Zhongde Shan, Yong Zang, Dehua Jin, Chunling Bao, Xiao Liang, Qian Yao

“…The phase composition and microstructure were tested and analyzed, and the results showed the following: there is a certain thickness of the diffusion contamination layer on the surface of the castings. …”
Get full text

Triaxial Creep Behavior of Red Sandstone in Freeze-Thaw Environments by Yongjun Song, Yongxin Che, Leitao Zhang, Jianxi Ren, Shaojie Chen, Mengling Hu

“…The effects of freeze-thaw cycles and confining pressure on the creep properties, long-term strength, and creep failure mode of the rock were analyzed. The effect of freeze-thaw cycles on the microstructure of the rock was analyzed using scanning electron microscopy. …”
Get full text

Structural mechanisms of formation of adiabatic shear bands by Mikhail Sokovikov, Dmitry Bilalov, Vladimir Oborin, Vasiliy Chudinov, Sergey Uvarov, Yuriy Bayandin, Oleg Naimark

“…Changes in the velocity of the rear surface at different time of plug ejection were analyzed by Doppler interferometry techniques. The microstructure of tested samples was analyzed using an optical interferometer-profilometer and a scanning electron microscope. …”
Get full text

Impact of Blending on Strength Distribution of Ambient Cured Metakaolin and Palm Oil Fuel Ash Based Geopolymer Mortar by Taliat Ola Yusuf, Mohammad Ismail, Jamilu Usman, Ainul H. Noruzman

“…It is concluded that Weibull distribution is suitable for analyses of the blended geopolymer system. While porous microstructure is mainly responsible for flexural failure, heterogeneity of reaction relics is responsible for the compression failure.…”
Get full text

Preparation and Sealing Performance of a New Coal Dust Polymer Composite Sealing Material by Bo Li, Junxiang Zhang, Jianping Wei, Qiang Zhang

“…Moreover, the mechanical property and microstructure of the CP were also analyzed to evaluate the sealing performance of this material. …”
Get full text

Effects of Particle Size and Cement Replacement of LCD Glass Powder in Concrete by Seong Kyum Kim, Su Tae Kang, Jin Kwang Kim, Il Young Jang

“…For a concrete mix having a W/B ratio of 0.44, cement was replaced with LPWG glass powder (LGP) at ratios of 5, 10, 15, and 20% (LGP12) and 5 and 10% (LGP5) according to the particle size to prepare test cylinder specimens, which were tested with respect to air contents, slump in fresh concrete, and compressive strength and splitting tensile strength of hardened concrete. The microstructure of the concrete specimens was analyzed through Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX), and a Mercury Intrusion Porosimetry (MIP). …”
Get full text

Wing bone laminarity in Pterosaurs: insights into torsional adaptations for flight evolution by ESAÚ VICTOR DE ARAÚJO, JORGE CUBO, MARIANA VALÉRIA DE ARAÚJO SENA, RENAN ALFREDO MACHADO BANTIM, LUIZ CARLOS WEINSCHÜTZ, ALEXANDER WILHELM ARMIN KELLNER, JULIANA MANSO SAYÃO

“…We conclude that adaptive relationships arise between bone microstructure and biomechanical function, with forelimb elements (humerus, ulna, and wing phalanges) exhibiting higher laminarity rates compared to hindlimb bones. …”
Get full text

Numerical Simulation of Two-roller Rotary Rolling Piercing of a New Heat-resistant Alloy SP2215 Seamless Pipe by Liang　Kai, Yao　Zhihao, Xie　Xishan, Wang　Hongying, Cheng　Jian, Dai　Weixing, Dong　Jianxin

“…Furthermore， this study explored how process parameters such as head forward amount， roll speed， and initial temperature of billet affect both skew rolling performance and microstructure of the alloy. Ultimately an optimal rotary rolling and piercing process for the alloy is determined： head forward amount of 50 mm； roller spacing of 95.84 mm； guide plate spacing of 116.06 mm； roller speed at 50 r/min； and initial temperature range for tube billet at 1 100 ℃-1 150 ℃.…”
Get full text

Effect of Ti addition and cast part size on solidification structure and mechanical properties of medium carbon, low alloy cast steel by Nicolás Emanuel Tenaglia, Diego Fernandino, Alejandro Daniel Basso

“…Then, the solidification macrostructure (dendritic pattern and grain size) and microstructure were characterized by using conventional and specific metallographic techniques. …”
Get full text

Fracture Analysis of Compressor Impellers in Olefin Units: Numerical and Metallurgical Approach by Mojtaba Esmailzadeh, Maryam Delshah, Seyedeh Mina Amirsadat, Ahmad Azari, Rouhollah Fatehi, Mohsen Rezaei, Hasan Bazai, Farhad Ghadyanlou, Amir Saidizad, Mohsen Sharifpur

“…Some characterizations such as chemical composition, microstructure, and hardness tests were conducted to obtain a detailed evaluation of the base alloy. …”
Get full text

Effect of Ultrasonic Frequency on Thickener Performance by Gongcheng Li, Shulong Liu, Zengsheng Wen, Guolei Liu, Yu Cui, Yajian Shao

“…Based on the analysis on the microstructure of underflow samples, the minimum pore average size and pore average fraction are obtained when the ultrasonic frequency is 22 kHz, implying that 22 kHz is the optimum ultrasonic frequency combining the results of the underflow concentration.…”
Get full text

Effect of Desert Sand on the Mechanical Properties of Desert Sand Concrete (DSC) after Elevated Temperature by Yijiang Liu, Weiwu Yang, Xiaolong Chen, Haifeng Liu, Ningna Yan

“…The effects of elevated temperature and DSRR on DSC mechanical properties were analyzed. DSC microstructure was investigated by SEM and XRD. …”
Get full text