Related Experiment Video
Updated: Dec 28, 2025

11:05
Knowledge Based Cloud FE Simulation of Sheet Metal Forming Processes
Published on: December 13, 2016
12.6K
Physical Modeling of Cross Wedge Rolling Limitations
Łukasz Wójcik1, Zbigniew Pater1, Tomasz Bulzak1
1Mechanical Faculty, Lublin University of Technology, 36 Nadbystrzycka str, 20-618 Lublin, Poland.
Materials (Basel, Switzerland)
|February 21, 2020
Summary
Commercial plasticine can model steel
Area of Science:
- Materials Science
- Manufacturing Engineering
- Mechanical Engineering
Background:
- Cross-wedge rolling (CWR) is a complex metal forming process.
- Accurate physical modeling is crucial for understanding CWR limits.
- Traditional modeling materials may have limitations.
Purpose of the Study:
- To evaluate commercial plasticine as a viable model material for CWR.
- To compare physical modeling results with laboratory testing.
- To determine the optimal temperature range for plasticine in CWR modeling.
Main Methods:
- Physical modeling of CWR using commercial plasticine.
- Testing plasticine at various temperatures (0°C to 15°C).
- Comparing plasticine model results with 50HS steel CWR data at 1150°C.
Main Results:
- Plasticine can effectively model necking and slippage phenomena in CWR.
- Successful modeling requires plasticine to be preheated to 12.5°C.
- Plasticine is not suitable for modeling the cracking process in CWR.
Conclusions:
- Commercial plasticine is a suitable and cost-effective material for modeling certain aspects of cross-wedge rolling.
- Temperature control is critical for accurate plasticine modeling of CWR.
- Further research may be needed to model fracture phenomena in CWR.
Related Concept Videos
Rolling Resistance: Problem Solving
726
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
726
Wedges
1.6K
A wedge is a simple machine that serves various purposes, such as adjusting the elevation of structural or mechanical parts, providing stability for heavy objects, and splitting a body into two parts. This versatile tool can amplify an applied force, making it easier to manipulate large or heavy objects.
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...
Consider using a wedge to lift a heavy slab. Here, the wedge functions by converting the applied force into a much larger force directed almost perpendicular to the initial force. This...
1.6K
Rolling Resistance
560
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
560
Equation of Motion: General Plane motion - Problem Solving
433
Consider a lawn roller with a mass of 100 kg, a radius of 0.2 meters, and a radius of gyration of 0.15 meters. A force of 200 N is applied to this roller, angled at 60 degrees from the horizontal plane. What will be the angular acceleration of the lawn roller?
The friction between the roller and the ground is characterized by two coefficients. The static friction coefficient is 0.15, while the kinetic friction coefficient is 0.1. These values are crucial in understanding the interaction between...
The friction between the roller and the ground is characterized by two coefficients. The static friction coefficient is 0.15, while the kinetic friction coefficient is 0.1. These values are crucial in understanding the interaction between...
433
Unsymmetric Loading of Thin-Walled Members: Problem Solving
426
The shear center of a channel section with uniform thickness, height, and width, is determined by computing the shear force in the member and calculating the moments of inertia of the sections.
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
To compute the shear forces, find the shear flow at a specific distance from the endpoint using the vertical shear and the moment of inertia values. The total shear force on the flange is calculated by integrating the shear flow from one end of the flange to the other.
Next, calculate the moments of...
426
Residual Stresses in Bending
464
In the study of elastoplastic members subjected to bending moments, understanding the loading and unloading phases is crucial for assessing material behavior and structural integrity. During the loading phase, as the bending moment increases, the material initially responds elastically, adhering to Hooke's Law, where stress is directly proportional to strain. When the load exceeds the yield strength, plastic deformation occurs, resulting in permanent strain and deformation that remains even...
464

