Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Plastic Deformation in Circular Shafts

Plastic Deformation in Circular Shafts

When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...

Plastic Deformations

Plastic Deformations

Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their original...

Plastic Deformations

Plastic Deformations

It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...

Design Consideration

Design Consideration

Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key aspect...

Rolling Resistance: Problem Solving

Rolling Resistance: Problem Solving

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...

Plastic Deformations of Members with a Single Plane of Symmetry

Plastic Deformations of Members with a Single Plane of Symmetry

When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Fatigue reduction by sequential stimulation of multiple motor points in a muscle.

Clinical orthopaedics and related research·1995

Same author

Prospective, auto-controlled study on reinsemination of failed-fertilized oocytes by intracytoplasmic sperm injection.

Fertility and sterility·1995

Same author

Fluidity of the lipid domain of cell wall from Mycobacterium chelonae.

Proceedings of the National Academy of Sciences of the United States of America·1995

Same author

Effect of oleanolic acid on hepatic toxicant-activating and detoxifying systems in mice.

The Journal of pharmacology and experimental therapeutics·1995

Same author

Denaturant unfolding of the ferric enterobactin receptor and ligand-induced stabilization studied by site-directed spin labeling.

Biochemistry·1995

Same author

Identification of an essential cysteinyl residue in the ArsC arsenate reductase of plasmid R773.

Biochemistry·1995

Search research articles

Related Experiment Video

Updated: Jul 14, 2026

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle

Published on: January 30, 2019

Evaluation of engineering plastic for rollover protective structure (ROPS) mounting.

R S Comer¹, P D Ayers, J Liu

¹Department of Biosystems Engineering and Soil Science, The University of Tennessee, Knoxville, Tennessee, USA.

Journal of Agricultural Safety and Health

|June 9, 2007

Summary

Engineering plastics offer a viable solution for creating universal rollover protective structures (ROPS) mounting for older tractors. This innovation enhances safety by providing a cost-effective and robust mounting option, reducing tractor-related fatalities.

More Related Videos

A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli

A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli

Published on: December 11, 2014

Modified Drop Tower Impact Tests for American Football Helmets

Modified Drop Tower Impact Tests for American Football Helmets

Published on: February 19, 2017

Related Experiment Videos

Last Updated: Jul 14, 2026

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle

Structural Design and Manufacturing of a Cruiser Class Solar Vehicle

Published on: January 30, 2019

A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli

A Testing Platform for Durability Studies of Polymers and Fiber-reinforced Polymer Composites under Concurrent Hygrothermo-mechanical Stimuli

Published on: December 11, 2014

Modified Drop Tower Impact Tests for American Football Helmets

Modified Drop Tower Impact Tests for American Football Helmets

Published on: February 19, 2017

Area of Science:

Agricultural Safety and Engineering
Materials Science

Background:

Agriculture faces high fatality rates, with tractor rollovers being a major cause.
Existing rollover protective structures (ROPS) are difficult to retrofit on older tractors due to mounting challenges.

Purpose of the Study:

To evaluate engineering plastics for developing a universal ROPS mounting structure for older tractors.
To address the cost and design difficulties associated with aftermarket ROPS.

Main Methods:

Conducted shear, scale model, and compressive strength testing on various engineering plastics.
Performed full-scale testing of plastic strength on axle housings.
Tested the mounting structure in static ROPS and field upset tests per SAE Standard J2194.

Main Results:

The ROPS mounting structure with engineering plastics demonstrated higher torsional strength and less twisting than the axle housing alone.
The structure successfully withstood forces during static longitudinal and lateral ROPS tests.
Field upset testing confirmed the mounting structure's ability to withstand impact loads without failure.

Conclusions:

Engineering plastics are a viable option for a universal ROPS mounting structure on older tractors.
This approach can lower costs and simplify the design of aftermarket ROPS.
The developed mounting structure enhances tractor safety without compromising structural integrity.