TY - JOUR
T1 - Surface Hardening and Deposition of Coatings on Metals by a Mobile Source of Localized Electrical Resistive Heating
AU - Stachowiak, Gwidon
AU - Batchelor, A.W.
PY - 1996
Y1 - 1996
N2 - A method of surface hardening, coating deposition and surface alloying based on electrical resistive heating localized at the surface of a metal substrate has been developed. Localization of resistive hearing was obtained by passing electric current through the contact between a moving roller and the substrate. The small size of the contact imposed a severe constriction on the electric current causing intense resistive heating close ro the contact. Simultaneous motion of the roller and substrate provided surface coverage by the heating process. Tests with steel on steel showed that this technique can generate a surface layer with a martensitic or quenched microstructure, whilst a lest with zinc on copper revealed that surface alloyed layer of copper and zinc can be generated. Tests where tile roller has a lower melting point than the substrate, e.g. tests with zinc on steel substrates, revealed that a strongly adhering coating can be deposited by the roller.
AB - A method of surface hardening, coating deposition and surface alloying based on electrical resistive heating localized at the surface of a metal substrate has been developed. Localization of resistive hearing was obtained by passing electric current through the contact between a moving roller and the substrate. The small size of the contact imposed a severe constriction on the electric current causing intense resistive heating close ro the contact. Simultaneous motion of the roller and substrate provided surface coverage by the heating process. Tests with steel on steel showed that this technique can generate a surface layer with a martensitic or quenched microstructure, whilst a lest with zinc on copper revealed that surface alloyed layer of copper and zinc can be generated. Tests where tile roller has a lower melting point than the substrate, e.g. tests with zinc on steel substrates, revealed that a strongly adhering coating can be deposited by the roller.
U2 - 10.1016/0924-0136(95)02070-5
DO - 10.1016/0924-0136(95)02070-5
M3 - Article
SN - 0924-0136
VL - 57
SP - 288
EP - 297
JO - Journal of Materials Processing Technology (Elsevier)
JF - Journal of Materials Processing Technology (Elsevier)
ER -