DOI Number : 10.5614/itbj.eng.sci.2008.40.2.3
Hits : 11

Approximation of Hydrogen Induced Delayed Fracture of Overlaid Cladding in Pressure Vessels Steel Structure

Ronnie H. Rusli1 & T. Fujita2

1Visiting Research University of  Indonesia

Jl. Salemba 4, Jakarta 10430 Indonesia.

Email: ronnie@indo.net.id

2Faculty Of Engineering, Osaka University, Toyonaka, Japan.


Abstract.

Distribution and electronic states of interstitial hydrogen atoms in the iron lattice are discussed in regard to their influence to the lattice bonding, and theory of hydrogen induced delayed fracture of steel based upon it is proposed. Characteristics of delayed fracture are accordingly well accounted for.



Keywords: delayed fracture; cladding; hydrogen; steel; dislocation.

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