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Mostrando ítems 264-283 de 823
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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 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 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 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 ... -
Effective properties of centro-symmetric micropolar composites with non-uniform imperfect contact conditions
(2023-06-01)In this work, the homogenization theory is addressed within the framework of three-dimensional linear micropolar composite materials with centro-symmetric constituents and non-uniform imperfect interface conditions. The ... -
Effects of annealing on the magnetic properties and magnetocaloric effects of B doped Ni-Mn-In melt-spun ribbons
(2018-01-15)The magnetic, structural, thermal, and magnetocaloric properties of Ni50Mn35In14.5B0.5 melt-spun ribbons have been studied through X-ray diffraction (XRD), differential scanning calorimetry, and magnetization measurements. ... -
Effects of employees’ physical and psychological characteristics over manufacturing systems’ performance
(2018-08)One of the main challenges in Macroergonomics is to develop a universal model to measure macroergonomic compatibility. As a first step to develop such model, it is necessary to validate the construct of macroergonomic ... -
Effects of Human Factors and Lean Techniques on Just in Time Benefits
(2019-03-28)A successful Just in Time (JIT) implementation is based on human resources integration (managers, operators and suppliers) and other lean manufacturing techniques applied in the production process. However, the relationship ... -
Effects of information sharing, decision synchronization and goal congruence on SC performance
(2021-10-19)Nowadays, supply chain performance is measured since it is essential in globalized companies as maquiladoras. They import all raw material and import and export all final products, with high information, material, and money ... -
Effects of Lean Healthcare on Patient Flow: A Systematic Review
(2020-01-22)Objectives: To assess the effects of lean healthcare (LH) on patient flow in ambulatory care and determine whether waiting time and length of stay (LOS) decrease after LH interventions. Methods: A systematic review was ...