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1201
Investigation of Failure Mechanism of Al2O3 Specimens Subjected to Three-Point Bending Test
Published 2019-07-01“…Experimental characterization of microstructure is carried out using SEM. Recently the microscale models of representative volume of porous alumina ceramics were built on the basis of grain and pore distribution patterns and subjected to uniaxial loading in order to determine effective mechanical characteristics which are utilized for macroscopic simulation in this work. …”
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1202
Thermal degradation in Carrara marbles as the cause of deformation of cladding slabs
Published 2014-09-01“…In this way the anisotropic microstructure of the marble is quantified and taken into account in the numerical analyses. …”
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1203
Research on Interfacial Bonding Property of Modified Fiber Reinforced Concrete and Present Situation Analysis
Published 2022-01-01“…The hydration evolution process,microstructure,and modification mechanism of the matrix in concrete under multi-mineral and polymer hybrid modification need to be studied immediately.Optimal modification methods for different fibers should be proposed according to economical efficiency,construction technology,and modification effect.…”
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1204
Hydroxyapatite composites with multiwalled carbon nanotubes
Published 2017-06-01“…The study has shown that the synthesis of hydroxyapatite/nanotube composites by formation of inorganic part in the presence of carbon filler significantly affect the microstructure, phase composition, crystallinity, hydroxyl content, chemical composition of the mineral part, as well as thermal properties and electrokinetic properties of composite.…”
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1205
ANALYSIS AND RESEARCH ON THE FRACTURE FAILURE OF A MELT-PUMP GEAR ROTOR
Published 2018-01-01“…This paper proposed an analysis scheme for the multiple fracture failure of the gear rotor of the melt pump used in the key equipment of a chemical plant.Through the analysis of damage fracture analysis,material property analysis,microstructure analysis and strength checking,the root causes of failure were found,the conclusion of failure was concluded and the improvement scheme was proposed.The analysis results show that the gear rotor of molten pump has some defects in the process of design and machining under complicated conditions,which leads to its frequent failure during operation.By changing its structure,reducing stress concentration,the selection of good materials,improve production processes and other ways to effectively improve the performance of the shaft to meet their functional needs.The results of this research could provide certain reference value in improving the service performance of key transmission parts,especially gear type transmission shafts.…”
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1206
Excellent strength/ductility synergy by optimization of post-weld heat treatment for gas metal arc welded CoCrFeMnNi high entropy alloys with 410 stainless filler wire: High-throug...
Published 2025-01-01“…By employing a combination of microstructural characterizations (such as Electron Backscatter Diffraction (EBSD) and Synchrotron X-ray Diffraction (SXRD)) and mechanical testing (including hardness testing and tensile Digital Image Correlation (DIC) analysis), the study validates the effects of selected annealing temperatures on the microstructure evolution and mechanical behavior of the welded joints. …”
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1207
Optimization Analysis of Mechanical Properties of Fly Ash-Based Multicontent Gasification Slag Paste Filling Material
Published 2022-01-01“…Combined with SEM, it is found that the microstructure before and after optimization is rich in hydration products and the internal structure is well cemented, which further explains σC. …”
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1208
Improved magnetostriction of Tb-Dy-Fe/Dy–Cu multilayer films by introducing interfacial stress due to the semi coherent interface
Published 2025-01-01“…The microstructure of as-deposited multilayer films showed clearly the high degree of layer periodicity. …”
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1209
Fatigue Performance and Fatigue Life Prediction for RV-20E Reducers Based on the Crankshaft Heat Treatment Strengthening Process
Published 2023-12-01“…The optimum surface microstructure and optimum surface hardness of the crankshaft for improving the fatigue life of the RV-20E reducer are analyzed, and the failure mode and failure mechanism of the crankshaft of the RV-20E reducer are discussed. …”
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1210
Laser Cleaning Using Q-Switched Nd:YAG Laser of Low Carbon Steel Alloys
Published 2014-01-01“…Effects of these parameters on the microstructure and the mechanical properties of the two alloys have been realized. …”
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1211
The Effects of Minor Element Addition on the Structural Heterogeneity and Mechanical Properties of ZrCuAl Bulk Metallic Glasses
Published 2022-01-01“…On the other hand, Ni addition improved the stored energy of the material and intensified the distribution of loosely packed regions in the microstructure. Moreover, the mechanical test unveiled that Ni addition enhanced the viscoelastic response; however, it came at the expense of creep resistance. …”
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1212
Numerical modelling of intergranular fracture in polycrystalline materials and grain size effects
Published 2013-04-01“…Finally, testing microstructures characterized by different average grain sizes, the computed peak stresses are found to be dependent on the grain size, in agreement with the trend expected according to the Hall-Petch law.…”
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1213
Fatigue crack propagation in welded joints X70
Published 2018-09-01“…The effect of the microstructure and the quality of submerged arc welding of the studied X70 steel are significant. …”
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1214
ZnO:Al Grown by Sputtering from Two Different Target Sources: A Comparison Study
Published 2012-01-01“…The film thickness was in the 0.04–2.0 μm range. The microstructure, such as the grain size and the texture, of the two differently grown ZnO:Al transparent conductive oxide films of different thickness, was studied using X-ray diffraction θ/2θ scans. …”
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1215
Numerical investigation on stress corrosion cracking behavior of dissimilar weld joints in pressurized water reactor plants
Published 2014-07-01“…Due to the complex microstructure and mechanical heterogeneity in the weld region, dissimilar metal weld joints are more susceptible to SCC than the bulk steels in the simulated high temperature water environment of pressurized water reactor (PWR). …”
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1216
Construction and Performance Research of Reinforced Iron-Based Powder Metallurgy Materials Based on Phyllanthin as Drug Transport Carriers
Published 2022-01-01“…In order to study the effects of different hot pressing and sintering temperatures on the density, microstructure, and hardness of the enhanced iron-based powders of caladium, we conducted related studies on the structure core properties of the enhanced iron-based powders of caladium to explore whether it can be used as a drug transport carrier. …”
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1217
Elasto-Thermodiffusion Modeling Using Optoelectronic Microtemperature Processes for a Ramp-Type Heating Nano-Semiconductor Material
Published 2024-01-01“…The theory of photo-thermoelasticity describes how heating or elastic microstructure mechanical deformation can modify a material’s optical-thermal properties. …”
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1218
LIFE SIMULATION OF MICROSCOPIC SHORT CRACK NUCLEATION AND EARLY PROPAGATION OF WELD TOE
Published 2021-01-01“…The results show that the calculated life of weld toe microscopic short crack nucleation and its early propagation is more consistent with the test life data, indicating the applicability of this calculation method; the calculated life of microscopic short crack nucleation and its early expansion accounted for a larger ratio of the overall fatigue life, so it has a non-negligible impact; affected by the microstructure of the grains, the propagation path of the early cracks presents an obvious tortuous shape.…”
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1219
Periodic homogenization and damage evolution in RVE composite material with inclusion
Published 2021-10-01“…On the other hand, to explore the rupture mechanisms that can take place at the microstructure level. To do this; the first step is to propose a periodic homogenization procedure, to predict the homogenized mechanical characteristics of an inclusion composite. …”
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1220
Localized wrinkling of metal films on elastic and liquid substrates
Published 2019-04-01“…They have shown broad application prospect in microstructure manufacture. The global wrinkling patterns with well-defined wavelengths can be readily fabricated in the polymer films, the metal films and the surface of modified elastic substrates by O2 plasma or UVO, and they have attracted much attention. …”
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