Listar IIT por título
Mostrando ítems 680-699 de 2001
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Effect of imperfect interface on the effective properties of elastic micropolar multi-laminated nanostructures
(2023-02-09)In this paper, the problem of a heterogeneous elastic micropolar nanostructure with a periodic structure subject to imperfect contact conditions is analyzed through the two-scale asymptotic homogenization method (AHM). ... -
Effect of ion bombardment on the chemical properties of crystalline tantalum pentoxide films
(2019-04-16)The effect of argon ion bombardment on the chemical properties of crystalline Ta2O5 films grown on Si(100) substrates by radio frequency magnetron sputtering was investigated by X-ray photoelectron spectroscopy. All samples ... -
Effect of Ni Addition and T6 Heat Treatment on Microstructure and Microhardness of Hot Plastic Deformed (Al-Si-Mg) Alloys
(Cambridge University Press, 2019-08-31)A356 (Al-Si-Mg) alloy have been widely used in the automotive, aerospace and military industries due to their high castability, corrosion resistance and excellent strength/weight ratio. The most important alloying elements ... -
Effect of Ni additions and hot deformation on precipitation behavior and hardness in AleSieMg aged alloys
(2020-02-19)Additions of 1e2 Ni (wt. %) and hot deformation on the microstructure and hardness of A356 aged alloy were studied. The results show that the addition of this element generates the formation of Ni31Si12 and NiFe phases ... -
Effect of NiO and MoO3 addition on the crystallinity and mechanical properties of α-cordierite and β-cordierite in the MgO-Al2O3-SiO2 system
(2019-03-27)The cordierite is one of the most important phases within the MgO-Al2O3-SiO2 (MAS) system. In this study, the crystallization and microstructure of cordierite was analyzed. Four samples were prepared, which were subjected ... -
Effect of NiO, ZrO2 and TiO2 on the formation of glass-ceramic cordierite in the MgO–Al2O3–SiO2–MoO3 system
(2023-12-27)In glass-ceramic design, the two most crucial factors are composition and microstructure both factors control the ability to form a glass and determines its degree of workability. The composition also determines whether ... -
Effect of Quality Lean Manufacturing Tools on Commercial Benefits Gained by Mexican Maquiladoras
(2021-04-26)Companies implement lean manufacturing (LM) tools in their production processes to reduce waste; however, it is difficult to quantify the effect on benefits gained after their implementation. This article proposes a ... -
Effect of radial clearance and holes as crush initiators on the crashworthiness performance of bi-tubular profiles
(2019-07-01)The use of bi-tubular structures has gained importance in the design of energy absorption systems for protectionof passengers in train collisions. Therefore, it is critical to improve the crashworthiness performance of ... -
Effect of Rare Earth Ce/La Addition on the Microstructure and Hardness of Nickel-Based Superalloy Inconel 718
(XXVIII International Materials Research Congress, 2019-08-19)Superalloy Inconel 718 is employed in aeronautic/aerospace engines, nuclear and chemical industries due to its high oxidation resistance and excellent mechanical properties at elevated temperatures. In recent years, research ... -
Effect of the sintering technique on the ferroelectric and d33 piezoelectric coefficients of Bi0.5(Na0.84K0.16)0.5TiO3 ceramic
(2019-06-13)In the search of lead-free piezoelectric materials, ceramic processing techniques offer potential tools to increase the piezoelectric and ferroelectric properties in addition to new chemical compositions. Powders of pure ... -
Effect of the stoichiometry in La0.7(SrxCa0.3-x)MnO3 by x-ray photoelectron spectroscopy for hyperthermia applications
(2020-07-28)The use of physical properties in magnetic materials is a research area aiming to help overcome the biomaterial problems encountered in hyperthermia cancer treatment. A1-xBxMnO3 nanoparticle structures are one such ... -
Effect of the Sustainable Supply Chain on Business Performance The Maquiladora Experience
(2022-04-11)Mexican maquiladoras have a complex and intensive supply chain because they import raw materials from other countries and export their final products. This paper reports a structural equation model with three independent ... -
Effect of Thermal Barrier Coating on the Thermal Stress of Gas Microturbine Blades and Nozzles
(2020-09-21)Thermal barrier coatings play a key role in the operational life of microturbines because they reduce thermal stress in the turbine components. In this work, numerical computations were carried out to assess new materials ... -
Effect of TPM and OEE on the Social Performance of Companies
(Springer, 2021-06-08)This chapter reports a model of structural equations that integrates three independent variables: Total productive maintenance, just in time and Overall equipment efficiency and the relationship they have with Social ... -
Effect of Trace Ce/La Addition on the Microstructure and Microhardness of Nanostructured Nickel-based Superalloy Inconel 718
(Cambridge University Press, 2019-08-31)The nickel-base superalloy Inconel 718, have excellent properties to be used in high temperature applications, its principal characteristics are: high resistance to oxidation, good mechanical properties in elevated work ... -
EFFECT OF TWO-STEP AGING HEAT TREATMENT AND RARE EARTH ADDITIONS ON THE MICROSTRUCTURE AND MICROHARDNESS OF NANOSTRUCTURED SUPERALLOY INCONEL 718
(Sociedad Mexicana de Materiales, 2022-08-15)Inconel 718 is plenty used in elevated work temperatures because it possesses high resistance to oxidation and good mechanical properties; its principal applications are in aeronautics and aerospace engines, nuclear reactors ... -
Effect of lean manufacturing tools on sustainability: the case of Mexican maquiladoras
(2022-02-02)The Mexican maquiladora industry is applying Lean Manufacturing Tools (LMT) in its production lines; however, few studies have investigated its relationship with sustainability (social, economic, and environmental). This ... -
Effect on Microstructure and Nanoindentation of a AlCoFeMoNi High Entropy Alloy
(2018-08-01)In this work, elemental powders supplied by Alfa Aesar with purity higher than 99.5% in weight Al, Co, Fe, Mo and Ni were initially weighed and mixed. The MA was performed in a high-energy ball mill (SPEX-8000M) for 10 h ... -
Effective Complex Properties for Three-Phase Elastic Fiber-Reinforced Composites with Different Unit Cells
(2021-02-01)The development of micromechanical models to predict the effective properties of multi-phase composites is important for the design and optimization of new materials, as well as to improve our understanding about the ...