Ductile failure modelling of expanded aluminium tubes with embedded circular holes

Imad Barsoum, Farhat Khan, Abdennour Seibi, Arman Molki

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

A common technology used for well completion in the oil and gas industry is the solid expandable tubular technology, where a metal pipe is expanded radially towards the well bore. A challenge in this technology is to assess the mechanical integrity of the pipes during the expansion process. In this paper the ductile failure behavior of mechanically expanded aluminum tubes was studied experimentally and numerically. The expansion of the tubes was performed mechanically by using a conical mandrel with the objective to study the failure mode that governs the expansion process of this material. To localize the failure the tubes were drilled with circular holes. The fractured surfaces of failed expanded tubes were examined and revealed a flat ductile dimple rupture characteristic. A finite element model, which is based on continuum damage mechanics, is developed to mimic the experiments. The model also predicts ductile crack propagation and failure in the expanded tubes with embedded holes very well making it a suitable tool for studying the tubular expansion process and for optimizing the expansion tools used in this process.

Original languageBritish English
Title of host publicationASME 2013 Pressure Vessels and Piping Conference, PVP 2013
DOIs
StatePublished - 2013
EventASME 2013 Pressure Vessels and Piping Conference, PVP 2013 - Paris, France
Duration: 14 Jul 201318 Jul 2013

Publication series

NameAmerican Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP
Volume2
ISSN (Print)0277-027X

Conference

ConferenceASME 2013 Pressure Vessels and Piping Conference, PVP 2013
Country/TerritoryFrance
CityParis
Period14/07/1318/07/13

Fingerprint

Dive into the research topics of 'Ductile failure modelling of expanded aluminium tubes with embedded circular holes'. Together they form a unique fingerprint.

Cite this