Mechanical properties refer to the physical characteristics of materials that describe how they respond to external forces, such as tension, compression, bending, or twisting. These properties include strength, …
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MECHANICAL PROPERTIES AND PERFORMANCE OF MATERIALS Samples of engineering materials are subjected to a wide variety of mechanical tests to measure …
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Aluminium-lithium alloys hold promise of providing a breakthrough response to the crying need for lightweight alloys for use as structurals in aerospace applications. Considerable worldwide research has gone into developing a range of these alloys over the last three decades. As a result, substantial understanding has been developed of the …
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Investigation on microstructure evolution and mechanical ...
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Fig. 5 also illustrates the mechanical performances of EC samples, in which the mechanical properties are severely anisotropic. In ED, the composites yield high YS of 658 MPa, UTS of 718 MPa and total elongation of 8.1%, but only a YS of 555 MPa, an UTS of 582 MPa, and a limited elongation of 1.4% in TD.
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Fig. 2 a-c display the SEM images (in backscattered electron mode) of the surfaces of LD glass-ceramics ion-exchanged at 400ºC for 16 h, 32 h and 64 h respectively. It can be seen that the LD glass-ceramics after ion-exchange treatments have no obvious defects and maintained its integrity. Due to composition of the glassy phase in LD glass …
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Hydrogen-free diamond-like carbon (DLC) thin films are attractive for a wide range of industrial applications. One of the challenges related to the use of hard DLC lies in the high intrinsic compressive stresses that limit the film adhesion. Here, we report on the mechanical and tribological properties of DLC films deposited by High Power Impulse …
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Trans. Nonferrous Met. Soc. China 34(2024) 1âˆ'25 Effect of deformation processing on microstructure evolution and mechanical properties of Mgâˆ'Li alloys: A review Zhan LIU, Jin-feng NIE, Yong-hao ZHAO Nano and Heterogeneous Materials Center, School of Materials Science and Engineering, Nanjing University of Science and …
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Understanding mechanical properties of shale has been the topic of research in the past decade due to its importance in hydraulic fracturing and rock physics modeling. Since shales are highly heterogeneous in constituent components, detailed understanding of mechanical properties in a multi-scale (nano, micro, macro and field) is vital and can …
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The PFM's contact mode, peak-force quantitative nanomechanical mode, and piezo-force mode provide insights into the topological morphology, mechanical …
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Li0.33La0.57TiO3 (LLTO) is a potential Li-ion conducting membrane for use in aqueous Li-air batteries. To be in this configuration its mechanical properties must be determined. Dense LLTO was prepared using a solid-state (SS) or sol–gel (SG) procedure and was hot-pressed to yield a high relative density material (>95 %). Young's modulus, …
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Learn about six essential material properties: hardness, stiffness, strength, toughness, fracture toughness, and impact strength. See their definitions, …
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Learn how to interpret engineering stress-strain curves, which measure a material's mechanical response to a controlled displacement or load. Find out the definitions and properties of elastic limit, yield stress, strain …
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Wenlong LI, Research assiatant | Cited by 287 | of University of Nebraska at Lincoln, Nebraska (NU) | Read 30 publications | Contact Wenlong LI. ... Mechanical properties, size and geometry of ...
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Expanded polystyrene (EPS) is commonly used in a variety of applications because of its features of light weight, good thermal insulation, moisture resistance, durability, acoustic absorption and ...
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LiNi x Mn y Co 1-x-y O 2 (NMC) is a prominent cathode material for advanced Li-ion batteries. The mechanical integrity of NMC is crucial, as it significantly influences the electrochemical stability of NMC cathodes during cycling. Despite the importance, a comprehensive understanding of the mechanical properties of NMC remains elusive, …
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Here, V x M y represents the fiber volume admixture of x% and the aspect ratio of y in the mixture ID.The increase in aspect ratio has a positive effect on the mechanical properties of 3D printed concrete, and the literature [27, 36]showed relatively better enhancement effects using steel fibers with aspect ratios of 15, 30, and 65 for ...
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A novel magnesium-based multi-principal element alloy with the chemical formula Mg 54 Al 22 Li 11 Zn 11 Ti 2 was prepared using the vacuum induction melting method and subsequently extruded at 350 °C. The phase composition of the alloy in its as-cast state and the microstructural changes after extrusion were investigated using …
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Learn about the definition, types, and effects of stress on metals, including tensile, compressive, and shear stress. Find out how to calculate stress and strain, and how …
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Abstract. The Mg–11Li–3Al–xY (LA113–xY, x = 0, 2·0; mass fraction, %) alloys were designed and prepared using a vacuum induction furnace by argon atmosphere, then processed by hot extrusion.The results show that, as yttrium (Y) is added, the LA113–2Y alloy mainly consists of β-Li, LiMgAl 2 and Al 2 Y phases. The fine, granular …
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Microstructure and mechanical properties of Al–Li alloy manufactured by additive friction stir deposition. September 2023; Materials Science and Engineering A 887(1):145753;
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The atomic structure of graphene can be observed directly by transmission electron microscopy (TEM) (Fig. 2 b) which is particularly useful for the evaluation of the different structures such as vacancy defects, bond rotations, dislocation edges, grain boundaries, layer stacking and other features [75].Scanning tunnelling microscopy …
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For example, sebacic acid was used to improve the toughness of PEF via copolymerization [20], the copolymers' elongations at break were enhanced to more than 280%, however, the Young's modulus decreased from PEF's 2080 MPa–80 MPa. 2,2,4,4-Tetramethyl-1,3-cyclobutanediol was also employed to improve the mechanical …
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Keywords: TiAlSnMo alloys, microstructure, Mechanical properties, Corrosion resistance Suggested Citation: Suggested Citation Feng, Zhihao and Wang, Junqi and Dong, Huicong and Ma, Jing and Wang, Jian-gang and Zhang, Xin and Li, Jianhui and Zhang, Xinyu, Mechanical Properties and Corosion Resistance …
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1. Introduction. Al–Li alloys possess the advantages of relatively lower density and higher specific stiffness when compared with conventional Al and Fe based alloys [[1], [2], [3]].It is well known that every 1 wt % of Li added to an Al matrix can reduces its density by 3% and increases its elastic modulus by 6% [4, 5].Currently, the research …
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Fig. 2 shows the IR spectra of the raw material metakaolinite and the corresponding geopolymer. The geopolymer sample in the IR test was synthesized using sodium silicate solution (NaO 2 ·3.2SiO 2) and 8 mol/L NaOH solution. The broad band around 3420 cm −1 together with that around 1680 cm −1 on the IR spectrum of the …
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Liu, Dongni and Zhao, Yun and Zhang, Shengwei and Li, Mingying and Pang, Guibing, Superior Mechanical Properties of an Additively Manufactured Gradient Lattice Structure Through Fem Simulation and In-Situ Compression Tests.
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With the potential to dramatically increase energy density compared to conventional lithium ion technology, lithium metal solid-state batteries (LMSSB) have attracted significant attention. However, little is known about the mechanical properties of Li. The purpose of this study was to characterize the elastic and plastic mechanical …
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