• Design and Development of a Protection System Combining a Perforated Plate and Lightweight Composite Armor against 12.7 mm Caliber Threats 

  Rajab, H.؛ Davar, A.؛ Akbari, T.؛ Eskandari jam, J. (Bu-Ali Sina University, 2024-03-01)

  This study examines the ballistic behavior designed and developed to protect against lightweight composite armor for large-caliber 12.7 mm armor-piercing (AP) threats. To achieve this, a perforated steel plate combined ...

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• Modeling and Investigation of Semi-elliptical Cracks in the Weld Seam of Pressurized Cylindrical Tanks 

  Eskandari, H.؛ Bahrami, A. (Bu-Ali Sina University, 2024-03-01)

  This work examines the finite element model of three-dimensional semielliptical fractures in a cylindrical pressure tank. The three-dimensional semielliptical cracks in cylindrical pressure tubes are investigated using the ...

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• An Experimental Study of Static and Dynamic Behaviors of Kevlar in Fiber, Fabric and Kevlar/Epoxy Composites 

  Majzoobi, G.H.؛ Mohammad Zaheri, F. (Bu-Ali Sina University, 2024-03-01)

  Kevlar is a trademarked brand of aramid fibers. It is known for its remarkable properties, including high tensile strength, light weight, and resistance to heat, and it is commonly used in various applications. In this ...

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• The Effect of ECAP Process on the Microstructure and Mechanical Properties of AISI 1020 Plain Carbon Steel 

  Hajizadeh, K. (Bu-Ali Sina University, 2024-03-01)

  In the present study, the equal channel angular pressing (ECAP) was applied on AISI 1020 plain carbon steel to refine the grain size down to the sub-micrometer range. ECAP was conducted up to 10 passes at 300 °C in a die ...

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• Investigating the Effect of Laser Parameters on Nano-Machining of Silicon Carbide by Response Surface Method Using Molecular Dynamics Simulation 

  Zolfaghari, M.؛ Heydari, H.؛ Vanaki Farahan, A.؛ Tahmasbi, V. (Bu-Ali Sina University, 2024-03-01)

  The ultra-precise machining process of parts is a very advanced method to achieve dimensional accuracy and surface smoothness in the nanometer range for the production of defense, aerospace, optics, and electronics parts. ...

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• An Efficient Optimal Analysis Approach to Reliability-Based Design Optimization of Symmetric Skeletal Structures 

  Mehanpour, H.؛ Hoseini Vaez, S. R. (Bu-Ali Sina University, 2024-03-01)

  The properties of symmetrical structures can cause the optimal analysis of these types of structures to have greater ease, speed, and accuracy. It also saves space for storing large-scale matrices. Reducing these computational ...

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• Electroplastic Effect on the Formability of Annealed AA6061 in Equibiaxial Tension Stress State 

  Farkhondeh, A.H.؛ Bakhshi-Jooybari, M.؛ Gorji, H.؛ Mirnia, M.J. (Bu-Ali Sina University, 2023-09-01)

  The use of electric current is an innovative technology in forming processes. Considering the vital role of forming processes in various industrialized applications and the wide utilization of light metal alloys, especially ...

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• Analysis of Influences of Parameters on Hydrostatic Compressive Stress in Cyclic Extrusion Compression Angular Pressing for CP-Ti 

  Pasoodeh, B.؛ Alimirzaloo, V.؛ Shahbaz, M.؛ Hajizadeh, K.؛ Alizadeh Kaklar, J. (Bu-Ali Sina University, 2023-09-01)

  Cyclic extrusion compression angular pressing (CECAP) is a new severe plastic deformation method used to improve mechanical and metallurgical properties of metals. In this process, hydrostatic compressive stress has a ...

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• NSSFEM: Nonlinear Spectral Stochastic Finite Element Method for Analysis of Structures with Elastoplastic Material 

  Rahimibondarabadi, H.؛ Mousaviamjad, S.S. (Bu-Ali Sina University, 2023-09-01)

  The stochastic finite element method is one of the most effective tools for analyzing systems with uncertainty in computational stochastic mechanics. In this research, a novel approach called the nonlinear spectral stochastic ...

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• Investigation of Effect of Hyaluronic Acid Containing Medicine on Frictional Behavior of Synovial Fluid 

  Dehghani, B.؛ Torabi, A. (Bu-Ali Sina University, 2023-09-01)

  Cartilage and synovial fluid ensure the smooth movement of natural joints to work with very little friction. However, the number of patients with joint diseases, which are usually related to cartilage destruction, constantly ...

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• Experimental Study of the Strength and Residual Stresses of the Friction Stir Welding Process of Explosive-Welded Al1050/Al2024/Al1050 

  Aftabi, M.R.؛ Honarpisheh, M. (Bu-Ali Sina University, 2023-09-01)

  In this research, the distribution of the hardness and residual stress in the joining of three layers of explosion-welded Al1050/Al2024/Al1050 aluminum alloy sheets, which were friction stir welded, was investigated. The ...

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• Investigation of the Effect of Nano-Al2O3 Addition on the Tensile and Flexural Strengths and Hardness of Friction Stir Processed Polycarbonate 

  Komaz, A. A.؛ Mahdipour Jalilian, M.؛ Karami Khorramabadi, M. (Bu-Ali Sina University, 2023-09-01)

  In this paper, the effects of two factors named plunge depth and translational speed on tensile strength, flexural strength, and hardness of polycarbonate reinforced with Al2O3 nanoparticles by friction stir processing ...

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• Modeling and Optimization of the Friction Coefficient for a Flat Plate with the Presence of a Rectangular Obstacle 

  Sheikhi Azqandi, M.؛ Irandoust, M.؛ Ghasabi, G. (Bu-Ali Sina University, 2023-03-01)

  In the present study, the flow around a rectangular obstacle near a flat plate is investigated to calculate the average friction coefficient of the plate. Examining the pervious results of researchers shows that with the ...

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• Nonlinear Free Vibrations of a Carbon Nanobeam Carrying an Elastically Mounted Concentrated Mass 

  Heidari, H. R.؛ Mahmoodpour, E.؛ Hooshmandi, A. H. (Bu-Ali Sina University, 2023-03-01)

  In the present study, the interaction of nonlocal parameters with linear mode shapes and nonlinear forced frequency response of Rayleigh nanobeam system connected to a suspended mass-spring-damper is examined. For this ...

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• Analytical Methods for the Plane Problem in Piezoelectric Plate Containing a Polygonal Hole 

  Bayati Chaleshtari, M. H.؛ Safarabadi Farahani, M.؛ Abdolalian, H. (Bu-Ali Sina University, 2023-03-01)

  In the engineering design of perforated piezoelectric plates, understanding the effect of geometrical and significant parameters on stress concentration is of vital importance. In this paper, the effect of the hole shape ...

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• Nonlinear Quasi-static Analysis of SMA Curved Beams 

  Cheraghback, A.؛ Botshekanan Dehkordi, M. (Bu-Ali Sina University, 2023-03-01)

  Considering many applications of Shape Memory Alloys (SMAs) in order to make structures smarter, a quasi-static analysis of curved beams made of SMA has yet to be investigated. Therefore, a quasi-static analysis of curved ...

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• Fatigue Endurance Optimization of a Steam Turbine Blade Curved Fir-Tree Root 

  Hashemi, M.؛ Aghaei, M. (Bu-Ali Sina University, 2023-03-01)

  In this paper, the guide curve of a fir-tree root is parametrically modeled forthe optimization of a newly designed free-standing low-pressure last-stageblade airfoil of a steam turbine. These geometrical parameters include ...

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• Analysis of Microstructure and Mechanical Properties of Non-Homogeneous Laser Welding Process for 304L Stainless Steel and Low-Carbon St37 Steel 

  Zolfaghari, M.؛ Mohammadi, M.؛ Tahmasbi, V.؛ Heydari, H.؛ Arabi, H. (Bu-Ali Sina University, 2023-03-01)

  laser welding. In this process, completely uniform and flawless welding with minimal distortion and less residual stress is created due to less local energy, full penetration of the laser beam, and reduction of the ...

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• Parametric Investigation of Carbon Nanotube-Based Nanomechanical Mass Sensors using Structural Mechanics and an Artificial Neural Network Approach 

  Naghibi, Z.؛ Payandehpeyman, J.؛ Moradi, K. (Bu-Ali Sina University, 2022-09-01)

  The use of single-walled carbon nanotubes (CNTs) as mechanical sensors todetect tiny objects has dramatically expanded in the last decade. In this article, the parameters affecting the efficiency of sensors, including the ...

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• Experimental Investigation of Curvature Uniformity in the Laser Bending Process 

  Safari, M.؛ Joudaki, J.؛ Farhadi Bansouleh, S. (Bu-Ali Sina University, 2022-09-01)

  The laser bending process (LBP) is a powerful tool for the fabrication of precise bending angles as a die-less manufacturing process. The curvature uniformity of bent sheets is an important and controversial object of ...

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