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The effect of Zn coating layers on the hydrogen embrittlement of hot-dip galvanized twinning-induced plasticity steel
- Issue Date
- Oct-2016
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Intermetallics; Metal coatings; Steel; Zinc; Hydrogen embrittlement
- Citation
- CORROSION SCIENCE, v.111, pp.267 - 274
- Indexed
- SCIE
SCOPUS
- Journal Title
- CORROSION SCIENCE
- Volume
- 111
- Start Page
- 267
- End Page
- 274
- ISSN
- 0010-938X
- Abstract
- The effect of Zn coating layers on hydrogen embrittlement (HE) was investigated using hot-dip galvanized (HDG) twinning-induced plasticity (TWIP) steel. The Zn coating layers consisted of an eta-Zn layer and Fe-Zn intermetallic layers of zeta and delta without Gamma. H was trapped particularly at the zeta layer without Zn-H compounds. The activation energies of H desorption from the delta and zeta layers were 60.0 kJ mol(-1) and 75.4kJmol(-1), respectively. The H-charged HDG_TWIP steel did not reveal HE due to the intermetallic layers, which are exceptionally brittle even when H is not enriched.
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Related Researcher
- Han, Jeong ho
- COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)