Abstract
Results of tribological tests of Ni-P coating were presented in following paper. Tests were conducted with tribotester device using linear reciprocating wear test. Tribological wear test conditions, especially speed, load and sample geometry were described. Characteristics of coefficient of friction variation during wear testes were recorded. Conclusions included results interpretation especially focusing on influence of coating thickness in its properties.
Highlights
Aluminum alloys are nowadays widely used among all branches of industry, including automotive, marine, railroad vehicles, and aviation
Steel can be recognized as more common material, mainly thanks to its strength, lower material cost and resistance to abrasive wear
Properties of several aluminum alloys can be modified by both heat treatment and coating application, in limited range
Summary
Aluminum alloys are nowadays widely used among all branches of industry, including automotive (engines, performance cars), marine (hulls), railroad vehicles (carriage structure), and aviation (frames, equipment) This increasing demand is connected with properties of these materials- especially low weight and corrosion resistance, while compared with steel. Nano dispersive additives of PCD (poly-crystalline diamond), corundum, silicon carbide, silicon nitride, PTFE (Polytetrafluoroethylene) can be used, in order to prepare Ni-P coating for actual application Both hardness increase and wear resistance can be achieved by proper composition modification with additives, what can be very promising, e.g. for applications were dry friction can occur [4-5]. Numerous records among state of art proved usefulness of Ni-P coating on steel substrates, as a successful method for increasing wear resistance [5-6] This allows to make an assumption, that further research on field of application of electroless Ni-P coating on different substrates should be considered
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