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Damaged welded pipes for oil and gas rigs exposed to internal pressure - Failure estimation
(European Conference on Fracture, ECF, 2012)
The paper deals with the integrity assessment of API J55 steel casing pipes for drilling rigs, manufactured by high frequency contact welding procedure. The influence of corrosion defects on the pipeline load carrying ...
Ductile fracture resistance of the weld metal and heat affected zone in a HSLA steel welded joint
(European Conference on Fracture, ECF, 2012)
Ductile damage development in welded joints of high strength low alloyed (HSLA) steel NIOMOL 490K was examined experimentally and analyzed using the micromechanical approach. Single-edge notched bend (SENB) specimens, cut ...
Determining the condition of material for tension bar bucket wheel excavator operating under dynamic working conditions
(European Conference on Fracture, ECF, 2012)
Since the bucket wheel excavator SRs 1200 had crashed with bucket wheel boom heavily damaged, there was an opportunity to analyze the real structure that was in operation for past 40 years. As there are 4 more SRs 1200 ...