Results 11 to 20 of about 27,351 (298)

Simulation of residual stresses in stamping dies

open access: yes, 2008
In the past stamping dies have in principle been designed by rules of thumb and intuition. As the sheet metals in the vehicle industry have got increased mechanical properties in recent years the demands on the stamping dies have increased.
Strömberg, Niclas,, Hofwing, Magnus,
core   +8 more sources

Coupling effect of ultrasonic vibration and beam oscillation on FQZ soften inhibition of laser welded Al-Mg alloy joints

open access: yesMaterials Letters: X, 2023
A novel ultrasonic vibration assisted laser beam oscillation welding (UV-LBOW) method was developed and applied on the butt-welding of Al-Mg alloy sheets.
Jiang Bi   +5 more
doaj   +1 more source

A Fast Identification Method of Yield Strength of Materials Based on Bending Experimental Data

open access: yesMetals, 2020
Identifying the yield strength of materials quickly and accurately is the key to realizing defect prediction and digital process control on the production line.
Yongchuan Duan   +6 more
doaj   +1 more source

Mechanical Analysis of Deformation Law in the Flange Area of Box-Shaped Parts during Deep Drawing

open access: yesMachines, 2022
The investigation of deformation law is the theoretical basis for analyzing instability wrinkling and forming performance during the sheet-metal-forming process.
Duan Chen   +3 more
doaj   +1 more source

Finite Element Simulation and Experimental Study of U-Bending Forming of High-Strength Mg-Gd-Y-Zn-Zr Alloy

open access: yesMetals, 2023
In this study, the constitutive equation of the high-strength Mg-Gd-Y-Zn-Zr alloy sheet was established by tensile tests at different temperatures and different tensile rates. The U-shape bending forming process of the sheet was simulated under different
Hao Wang   +4 more
doaj   +1 more source

Model Predictive Control of a Shipborne Hydraulic Parallel Stabilized Platform Based on Ship Motion Prediction

open access: yesIEEE Access, 2020
Shipborne stabilized platform is an important equipment to ensure the stability of shipborne equipment relative to inertial coordinate system. This paper presents a model predictive control strategy based on ship motion prediction (MPMPC) for ship ...
Hongbin Qiang   +4 more
doaj   +1 more source

Fatigue analysis-based numerical design of stamping tools made of cast iron [PDF]

open access: yes, 2013
This work concerns stress and fatigue analysis of stamping tools made of cast iron with an essentially pearlitic matrix and containing foundry defects.
Ronde-Oustau, François   +4 more
core   +1 more source

Stress and Strain Analysis and Microstructure of Al/Cu Clad Composite Fabricated by Cold Extrusion

open access: yesArchives of Metallurgy and Materials, 2016
A five-zone describing model for extrusion of aluminum/copper clad composite was established. Stress and strain were also analyzed by finite element method.
Junting Luo   +4 more
doaj   +1 more source

Active Disturbance Rejection Control With Linear Quadratic Regulator for Power Output of Hydraulic Wind Turbines

open access: yesIEEE Access, 2020
In this research, a new method based on Active Disturbance Rejection Control (ADRC) for controlling the power output of hydraulic wind turbines (HWT) is proposed. There are three major problems in the power control system of HWT. The first problem is the
Chao Ai   +6 more
doaj   +1 more source

Thermal performance prediction and verification of 2D triaxial braided composites based on coupling method

open access: yesCailiao gongcheng, 2020
In order to improve the shortcomings of the finite element unit-cell establish method based on traditional FEM, which has difficulty in meshing and calculation, a superimposed method was proposed. Based on the superimposed method, the finite element unit-
ZHANG Fang-fang   +3 more
doaj   +1 more source

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