Affiliation:
1. Technical University of Kielce, Kielce 314, Poland
2. Technical University of Kosice, Kosice 0400 01, Slovakia
3. Edith Cowan University, FRPS Bunbury, Bunbury 6230, Western Australia
Abstract
Recent advances in the commercial exploitation of electrospark coatings have focused on improving surface roughness by depositing Ti, Mo, V, or W over an interlayer of Cu, Sn, Pb, or Cd on the top of a tool steel material. This paper presents results of a systematic pin-on-disk experimental study of different type bilayer coatings (Cu–Sn/bronze, bottom layer; Ti and Mo, top layer) deposited on a Type 45 steel. The results are discussed in terms of friction coefficients obtained under different dry-friction conditions (speeds ranging from 0.3m∕sto0.8m∕s, and pressures ranging from 10Nto40N). An additional focus is on scuffling resistance of faces in friction, microhardness and surface roughness of coated items, and the competitive advantage of using advanced surface coatings.
Subject
Surfaces, Coatings and Films,Surfaces and Interfaces,Mechanical Engineering,Mechanics of Materials
Reference21 articles.
1. Antoszewski, B.
, 2003, “Electro-Spark Modeling of Heterogenous Sliding Friction Nodes Surfaces With Special Attention to Mechanical Seals Working Ring Surfaces,” University of Technology, Technical Report No. KBN 8T07 C02520.
2. Tribological Characteristics of Plasma Sprayed Coatings;Antoszewski;Acta Mechanica Slovaca
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