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Bench Test for Scuff Evaluation of Surface Modified Piston and Bore Materials
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Abstract
This paper describes a bench method to evaluate the frictional behavior, under scuffing conditions, of some test coupons of standard materials currently used in making cylinder bores and pistons. The usefulness of this method is in evaluating new materials and coatings that may enable the elimination of iron liners from engine blocks. While investigating the potential application of Plasma Source Ion Implantation (PSII) on engine piston/bore materials, we have systematically studied the scuffing related friction behavior of aluminum 390 alloy and cast iron. A pin-on-disk tribometer is used under dry sliding conditions. Testing parameters for simulating cold scuff in bench tests have been specified. This proposed test method offers a screening tool desirable for the development of PSII technology and may also be useful for the design of other new surface modification techniques.
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Citation
Malaczynski, G., Qiu, X., Hamdi, A., and Elmoursi, A., "Bench Test for Scuff Evaluation of Surface Modified Piston and Bore Materials," SAE Technical Paper 960013, 1996, https://doi.org/10.4271/960013.Also In
References
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