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Başlık: Mechanical characterisation of a P91 weldment by means of small punch fracture testing
Yazarlar: Hurst, Roger C.
Turba, Krystof
Hähner, Peter
Uludağ Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü.
Çakan, Betül Gülçimen
Durmuş, Ali
Ülkü, Sedat
36983839100
55964532400
6701921191
Anahtar kelimeler: Engineering
Small punch testing technique
Fracture
Charpy test
P91 steel
Ductile to brittle transition temperature
Temper embrittlement
Yield strength
Welded-joint
Creep test
Steels
Specimen
Fracture
Fracture testing
Heat affected zone
Charpy tests
Charpy V-notch test
Ductile-brittle transition temperature
Ductile-to-brittle transition temperature
Mechanical behaviour
Mechanical characterisation
P91 steel
Small punch testing
Temperature
Yayın Tarihi: 2013
Yayıncı: Elsevier
Atıf: Gülçimen, B. vd. (2013). "Mechanical characterisation of a P91 weldment by means of small punch fracture testing". International Journal of Pressure Vessels and Piping, 105, 28-35.
Özet: Small Punch fracture tests were carried out in order to determine low temperature mechanical behaviour of a P91 steel weldment: weld metal, base metal, Heat Affected Zone-Fine Grained and Heat Affected Zone-Coarse Grained. The Heat Affected Zone-Fine Grained showed superior tensile properties in terms of displacement at fracture (ductility) and strength (maximum force) compared to the other zones, which became more pronounced at lower temperatures, whilst the weld metal exhibited inferior behaviour. Ductile Brittle Transition Temperatures were evaluated from Small Punch results for all zones and the results of base metal and weld metal were correlated with the transition temperatures obtained from Charpy V notch tests according to the CEN Code of Practice for Small Punch testing. Heat Affected Zone-Fine Grained with its finest structure exhibited the lowest transition temperature and the weld metal the highest. Heat Affected Zone-Coarse Grained and base metal were found to have quite similar transition temperature values.
URI: https://doi.org/10.1016/j.ijpvp.2013.02.005
https://www.sciencedirect.com/science/article/pii/S0308016113000240
http://hdl.handle.net/11452/28878
ISSN: 0308-0161
1879-3541
Koleksiyonlarda Görünür:Scopus
Web of Science

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