Review of fatigue data for welds improved by tungsten inert gas dressing

Yıldırım, Halid Can

doi:10.1016/j.ijfatigue.2015.04.017

Cited by 46 publications

(25 citation statements)

References 18 publications

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“…2. Moreover, test results of treated virgin specimens were extracted from [4], [6], [9], [12], [17] and [19]- [25] and included in the same figures (denoted by the black and orange data points).…”

Section: Fatigue Datasetmentioning

confidence: 99%

The efficiency of HFMI treatment and TIG remelting for extending the fatigue life of existing welded structures

al-Karawi

Al‐Emrani

2021

Steel Construction

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Different post‐weld treatment methods have been developed to enhance the fatigue strength of welded steel structures and extend the service lives of their components. High‐frequency mechanical impact (HFMI) treatment and tungsten inert gas (TIG) remelting are two methods that have attracted considerable interest in recent decades. This paper presents the results of a study of fatigue life extension for pre‐fatigued welded steel details which can be achieved using HFMI treatment and TIG remelting. More than 250 fatigue test results were collected – including different details such as butt welds, longitudinal attachments, transverse attachments and cover plate attachments. HFMI treatment was found to extend the life considerably when the specimens treated were free from cracks or when existing cracks were < 2.25 mm deep. TIG remelting could extend fatigue lives even with cracks > 4 mm deep. In comparison to TIG remelting, HFMI treatment results in a longer fatigue life extension for pre‐fatigued details, provided existing cracks are < 2.25 mm deep. Regarding TIG remelting, the depth of possible remaining cracks was found to be a substantial parameter when assessing the degree of life extension.

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Section: Fatigue Datasetmentioning

confidence: 99%

The efficiency of HFMI treatment and TIG remelting for extending the fatigue life of existing welded structures

al-Karawi

Al‐Emrani

2021

Steel Construction

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“…The lightweight potential of high strength steels treated by HFMI under constant and variable amplitude loading was discussed in (Yıldırım, 2015(Yıldırım, , 2016. They considered longitudinal attachments made of S700 steel and tested with the stress ratio of R=-1.…”

Section: 3mentioning

confidence: 99%

Report of Committee III.2: Fatigue and fracture

2015

Ships and Offshore Structures XIX

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“…Yildirim found a step-wise increase in the fatigue strength of different virgin (i.e. nonpre-fatigued) welded details when using TIG remelting, with a proposed fatigue strength curve slope equal to 4 [17]. Moreover, several research papers ( [4], [16], [18]) stated that the life extension achieved by TIG remelting depends on the fusion depth in relation to the depth of possible existing cracks.…”

Section: Introductionmentioning

confidence: 99%

The efficiency of HFMI treatment and TIG remelting for extending the fatigue life of existing welded structures

2021

Stahlbau

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Different post-weld treatment methods have been developed to enhance the fatigue strength of welded steel structures and extend the service lives of their components. High-frequency mechanical impact (HFMI) treatment and tungsten inert gas (TIG) remelting are two methods that have attracted considerable interest in recent decades. This paper presents the results of a study of fatigue life extension for pre-fatigued welded steel details which can be achieved using HFMI treatment and TIG remelting. More than 250 fatigue test results were collectedincluding different details such as butt welds, longitudinal attachments, transverse attachments and cover plate attachments. HFMI treatment was found to extend the life considerably when the specimens treated were free from cracks or when existing cracks were < 2.25 mm deep. TIG remelting could extend fatigue lives even with cracks > 4 mm deep. In comparison to TIG remelting, HFMI treatment results in a longer fatigue life extension for pre-fatigued details, provided existing cracks are < 2.25 mm deep. Regarding TIG remelting, the depth of possible remaining cracks was found to be a substantial parameter when assessing the degree of life extension.

show abstract

Review of fatigue data for welds improved by tungsten inert gas dressing

Cited by 46 publications

References 18 publications

The efficiency of HFMI treatment and TIG remelting for extending the fatigue life of existing welded structures

The efficiency of HFMI treatment and TIG remelting for extending the fatigue life of existing welded structures

Report of Committee III.2: Fatigue and fracture

The efficiency of HFMI treatment and TIG remelting for extending the fatigue life of existing welded structures

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