Investigation of Nondestructive Testing Methods for Friction Stir Welding

Friction stir welding is a method of materials processing that enables the joining of similar and dissimilar materials. The process, as originally designed by The Welding Institute (TWI), provides a unique approach to manufacturing—where materials can be joined in many designs and still re...

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Main Authors: Hossein Taheri, Margaret Kilpatrick, Matthew Norvalls, Warren J. Harper, Lucas W. Koester, Timothy Bigelow, Leonard J. Bond
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Metals
Subjects:
Online Access:https://www.mdpi.com/2075-4701/9/6/624
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author Hossein Taheri
Margaret Kilpatrick
Matthew Norvalls
Warren J. Harper
Lucas W. Koester
Timothy Bigelow
Leonard J. Bond
author_facet Hossein Taheri
Margaret Kilpatrick
Matthew Norvalls
Warren J. Harper
Lucas W. Koester
Timothy Bigelow
Leonard J. Bond
author_sort Hossein Taheri
collection DOAJ
description Friction stir welding is a method of materials processing that enables the joining of similar and dissimilar materials. The process, as originally designed by The Welding Institute (TWI), provides a unique approach to manufacturing—where materials can be joined in many designs and still retain mechanical properties that are similar to, or greater than, other forms of welding. This process is not free of defects that can alter, limit, and occasionally render the resulting weld unusable. Most common amongst these defects are kissing bonds, wormholes and cracks that are often hidden from visual inspection. To identify these defects, various nondestructive testing methods are being used. This paper presents background to the process of friction stir welding and identifies major process parameters that affect the weld properties, the origin, and types of defects that can occur, and potential nondestructive methods for ex-situ detection and in-situ identification of these potential defects, which can then allow for corrective action to be taken.
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spelling doaj.art-f251bcb868e8452fad33246e0dd52f1c2022-12-22T03:18:23ZengMDPI AGMetals2075-47012019-05-019662410.3390/met9060624met9060624Investigation of Nondestructive Testing Methods for Friction Stir WeldingHossein Taheri0Margaret Kilpatrick1Matthew Norvalls2Warren J. Harper3Lucas W. Koester4Timothy Bigelow5Leonard J. Bond6Department of Manufacturing Engineering, Georgia Southern University, Statesboro, GA 30460, USADepartment of Mechanical Engineering, Georgia Southern University, Statesboro, GA 30460, USADepartment of Mechanical Engineering, Iowa State University, Ames, IA 50011, USADepartment of Mechanical Engineering, Iowa State University, Ames, IA 50011, USACenter for Nondestructive Evaluation (CNDE), Iowa State University, Ames, IA 50011, USADepartment of Mechanical Engineering, Iowa State University, Ames, IA 50011, USADepartment of Mechanical Engineering, Iowa State University, Ames, IA 50011, USAFriction stir welding is a method of materials processing that enables the joining of similar and dissimilar materials. The process, as originally designed by The Welding Institute (TWI), provides a unique approach to manufacturing—where materials can be joined in many designs and still retain mechanical properties that are similar to, or greater than, other forms of welding. This process is not free of defects that can alter, limit, and occasionally render the resulting weld unusable. Most common amongst these defects are kissing bonds, wormholes and cracks that are often hidden from visual inspection. To identify these defects, various nondestructive testing methods are being used. This paper presents background to the process of friction stir welding and identifies major process parameters that affect the weld properties, the origin, and types of defects that can occur, and potential nondestructive methods for ex-situ detection and in-situ identification of these potential defects, which can then allow for corrective action to be taken.https://www.mdpi.com/2075-4701/9/6/624friction stir welding (FSW)defectsmechanical propertiesnondestructive testing &ampevaluation (NDT&ampE)in-line monitoring
spellingShingle Hossein Taheri
Margaret Kilpatrick
Matthew Norvalls
Warren J. Harper
Lucas W. Koester
Timothy Bigelow
Leonard J. Bond
Investigation of Nondestructive Testing Methods for Friction Stir Welding
Metals
friction stir welding (FSW)
defects
mechanical properties
nondestructive testing &amp
evaluation (NDT&amp
E)
in-line monitoring
title Investigation of Nondestructive Testing Methods for Friction Stir Welding
title_full Investigation of Nondestructive Testing Methods for Friction Stir Welding
title_fullStr Investigation of Nondestructive Testing Methods for Friction Stir Welding
title_full_unstemmed Investigation of Nondestructive Testing Methods for Friction Stir Welding
title_short Investigation of Nondestructive Testing Methods for Friction Stir Welding
title_sort investigation of nondestructive testing methods for friction stir welding
topic friction stir welding (FSW)
defects
mechanical properties
nondestructive testing &amp
evaluation (NDT&amp
E)
in-line monitoring
url https://www.mdpi.com/2075-4701/9/6/624
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