Optimization of Bolted Joints: A Literature Review

Author:

Croccolo Dario1ORCID,De Agostinis Massimiliano1ORCID,Fini Stefano1ORCID,Khan Muhammad Yasir1ORCID,Mele Mattia1ORCID,Olmi Giorgio1ORCID

Affiliation:

1. Department of Industrial Engineering, University of Bologna, 40136 Bologna, Italy

Abstract

Bolted joints are widely used in the aerospace and automotive industries due to their ease of assembly, disassembly and design flexibility. Optimizing threaded fasteners is essential to achieve uniform load distribution and minimize the number of bolts required, thereby reducing system cost and weight. This review paper aims at summarizing the five optimization techniques available in the literature, including bolt layout, tightening strategies, tightening sequences, bolt size, and stresses. The purpose is to emphasize the importance of optimizing bolted joints via the proper selection of materials, geometry, patterns, and bolt sizes, to obtain efficient joints with low assembly time while maintaining strength.

Funder

National Recovery and Resilience Plan

Publisher

MDPI AG

Subject

General Materials Science,Metals and Alloys

Reference135 articles.

1. A model updating method for hybrid composite/aluminum bolted joints using modal test data;Adel;J. Sound Vib.,2017

2. Bickford, J.H. (2007). Introduction to the Design and Behavior of Bolted Joints: Non-Gasketed Joints, CRC Press.

3. Sakai, T. (2008). Bolted Joint Engineering: Fundamentals and Applications, Beuth Verlag.

4. Evans, W.M. (2015). United States Air Force Aircraft Accident Investigation Board Report: C-17A, T/N 00-0173, United States Air Force. Technical Report, August.

5. Rail Accident Investigation Branch (2011). Rail Accident Report—Derailment at Grayrigg 23 February 2007.

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