Książka Hydrogen cracking in welds Waldemir dos Passos Martins

Hydrogen cracking in welds

Język: Angielski
Oprawa: Miękka
Dostępność: Dostępna u dostawcy
Wysyłamy za 8-11 dni
266.28
This book presents an investigation of the initial moment of formation and propagation of hydrogen c...

Informacje o książce

Język
Angielski
Oprawa
Książka - Miękka
Data wydania
2023
strony
172
EAN
9786205880418
ISBN
6205880415
Enbook ID
43215199
Waga
274
Wymiary
150 x 220 x 11

Pełny opis

This book presents an investigation of the initial moment of formation and propagation of hydrogen cracking in welded joints of an API 5L X80 steel, using the Implant and Tekken tests coupled with the acoustic emission (AE) technique. The development of a System of Acoustic Emission - SEA and a computational program to register the acoustic signals generated by the crack events is presented. In the development of the work two welding processes were used (Tubular Wire and MIG/MAG) with consumables of chemical compositions and different mechanical properties of the base metal. The protection gases were mixtures Ar+25%CO2 and Ar+25%CO2+3%H2, the latter to induce high values of diffusible hydrogen in the joint as well as the use of two welding energy levels, 1,058 kJ/mm and 1,500 kJ/mm.

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