Digitale Bibliotheek
Sluiten Bladeren door artikelen uit een tijdschrift
 
<< vorige    volgende >>
     Tijdschrift beschrijving
       Alle jaargangen van het bijbehorende tijdschrift
         Alle afleveringen van het bijbehorende jaargang
           Alle artikelen van de bijbehorende aflevering
                                       Details van artikel 9 van 11 gevonden artikelen
 
 
  Studies on the Fe-P Film Plating from a Chemical Bath: Deposition Mechanism and Parameter Effects
 
 
Titel: Studies on the Fe-P Film Plating from a Chemical Bath: Deposition Mechanism and Parameter Effects
Auteur: Gui-Fang Huang, Wei-Qing Huang, Ling-Ling Wang, Bing-Suo Zou, Qiao-Ling Wang, Jian-Hui Zhang
Verschenen in: International journal of electrochemical science
Paginering: Jaargang 3 (2008) nr. 2 pagina's 145-153
Jaar: 2008
Inhoud: Electroless Fe-P film was prepared from a chemical bath by connecting an aluminum foil to the brass substrate during deposition. The deposition mechanism of electroless Fe-P film was discussed and proposed. It is found that, due to the Al dissolution, the Fe film firstly deposited on the substrate keeps the substrate surface active, thus assures the chemical reduction of iron ions by hypophosphite continuously during the whole deposition process. The Fe-P film results from a superimposition of the electrochemical process due to the galvanic cell with Fe film deposition and Al dissolution and the chemical process due to the reduction of the Fe cations by H2PO2- anions, accompanied by phosphorus co-deposition. We also investigated the effects of bath component and process parameters on the electroless Fe-P deposition. The results show that the bath component and process parameters obviously effect the formation and the composition of Fe-P film. The effect of hypophosphite on the deposition rate is more pronounced than that of FeSO4 due to the higher polarization resistance of anodic reaction, indicating that the rate-determining step for the chemical iron reduction is the oxidation of hypophosphite. The understanding of Fe-P deposition mechanism is beneficial for development of new electroless Fe-based alloy films.
Uitgever: Electrochemical Science Group
Bronbestand: Elektronische Wetenschappelijke Tijdschriften
 
 

                             Details van artikel 9 van 11 gevonden artikelen
 
<< vorige    volgende >>
 
 Koninklijke Bibliotheek - Nationale Bibliotheek van Nederland