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Related Experiment Video

Updated: May 18, 2026

Imaging of the Microstructural Failure Mechanism in the Human Hip

Imaging of the Microstructural Failure Mechanism in the Human Hip

Published on: September 29, 2023

A case study on engineering failure analysis of link chain.

Tae-Gu Kim¹, Seong-Beom Lee, Hong-Chul Lee

¹Department of Occupational Health and Safety Engineering, Inje University, Gimhae, Korea.

Safety and Health at Work

|September 7, 2012

Summary

This summary is machine-generated.

Proper chain installation is crucial to prevent crane hook failures. Incorrect positioning significantly increases stress, leading to over-stress and potential catastrophic rupture, emphasizing operator training for safety.

Keywords:

Chain safety Finite element analysis Fractographic analysis Industrial accident

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Last Updated: May 18, 2026

Imaging of the Microstructural Failure Mechanism in the Human Hip

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Published on: September 29, 2023

A Virtual Simulation Experiment of Mechanics: Material Deformation and Failure Based on Scanning Electron Microscopy

A Virtual Simulation Experiment of Mechanics: Material Deformation and Failure Based on Scanning Electron Microscopy

Published on: January 20, 2023

Area of Science:

Mechanical Engineering
Materials Science
Failure Analysis

Background:

Crane hook chains are critical components in lifting operations.
Over-stress and geometric rupture are significant failure modes.
Installation conditions can influence chain stress distribution.

Purpose of the Study:

To investigate how chain installation affects stress distribution in crane hooks.
To identify factors contributing to chain failure.
To propose methods for preventing catastrophic failures.

Main Methods:

Fractographic analysis of failed chains to determine root causes.
Three-dimensional (3D) modeling using CATIA.
Finite Element Analysis (FEA) using ANSYS to simulate stress.

Main Results:

Stress distribution is dependent on the initial installation position of the chain.
Bending forces can be 2.5 times greater than tensile loads, significantly increasing stress.
Changes in load state are directly related to component failure.

Conclusions:

Proper chain installation by operators can significantly reduce losses from incidents.
Understanding stress distribution is key to preventing chain failures.
Operator training on correct chain installation procedures is recommended.