Evaluation of piston ring materials in oil containing an abrasive using a ring-on-block test machine

Mehan, R. L.; Flynn, Paul L.; Giammarise, A.W.

doi:10.1016/0043-1648(91)90117-d

Cited by 7 publications

(5 citation statements)

References 13 publications

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“…As sliding proceeded, small particles could have been generated, causing then the abrasive action. Comminution mechanism in oil-contaminated tests had already been mentioned by Mehan, Flynn and Glammarise (1991).…”

Section: Resultsmentioning

confidence: 84%

“…Presence of abrasive contaminant is another significant factor to be considered in lubricated systems. Studies have shown that it increases both wear of the contacting bodies and friction coefficient (Mehan, 1988); however, this behavior depends on the nature of materials, as shown by Mehan, Flynn and Glammarise (1991) in reciprocating block-on-ring tests, with diesel oil at 177 ºC, contaminated with Al 2 O 3 abrasive, rings of tungsten carbide and blocks, coated with several materials (tungsten carbide, chromium and chromium carbide). The rings had worn similarly in the tests in clean and contaminated oil, while the blocks, specially those chromium-coated, had wear increase when oil was contaminated, due to their low thermo-mechanical strength.…”

Section: Introductionmentioning

confidence: 99%

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Influence of loading, contamination and additive on the wear of a metallic pair under rotating and reciprocating lubricated sliding

Maru¹,

Tanaka²

2006

J. Braz. Soc. Mech. Sci. & Eng.

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This paper deals with an experimental study of wear and friction responses from lubricated sliding. Tests were carried out using a tribometer having devices for both continuous and reciprocating motion. The tested specimens were pins of AISI 52100 steel and counter-faces of AISI 8640 steel. The lubricant was paraffin mineral oil, VI 100. The presence of additives and contamination in the lubricant was investigated under two mechanical loading levels, determined by the velocity/load relation. Wear was evaluated in terms of morphology of the worn surfaces and by dimensional analysis of worn area of the pins. It was possible to obtain a ranking of influences on wear of mechanical loading, mechanical motion, oil additive and contamination presence in oil

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Section: Resultsmentioning

confidence: 84%

Section: Introductionmentioning

confidence: 99%

Influence of loading, contamination and additive on the wear of a metallic pair under rotating and reciprocating lubricated sliding

Maru¹,

Tanaka²

2006

J. Braz. Soc. Mech. Sci. & Eng.

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“…The piston ring and cylinder liner of the engines operating in desert area are always caused by serious wear by the fine attracted sand particles, whose size is always less than 50 μm [1][2][3][4][5][6]. Consequently, improving the wear resistance of the piston ring and cylinder liner pair becomes a research subject of top priority and great industrial importance.…”

Section: Introductionmentioning

confidence: 98%

Sliding wear behavior of the supersonic plasma sprayed WC–Co coating in oil containing sand

Xu²,

Dong³

et al. 2008

Surface and Coatings Technology

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“…The result indicates 6% reduction in heat loss through piston with insulating coating on cylinder walls. Mehan [2] investigated the wear resistance of piston ring coating using conventional ring-o-block test machine. It was found that tungsten carbide plasma coated material shows similar wear in different load condition when compared to commercially available chromium plated coating.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation on Emission Characteristics of Catalytic Converter Using Different Wash Coat Material

Karthickeyan¹,

Arulraj

2014

AMM

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Almost all automobiles in the world are emitting a huge amount of exhaust gases to the atmosphere every day. These exhaust gas contains harmful substances like carbon monoxide, oxides of nitrogen, hydrocarbons, and other toxic substances. If these substances go on increasing they will cause several diseases like blood circulatory problem, lung diseases, bronchitis, blood cancer, etc. Also they may cause different environmental problems like acid rain, green house effect, etc. So, the emission of these substances should be controlled as far as possible. This project work presents a new catalytic converter to be used for compressed ignition engine. The catalytic converter is developed based on the catalyst materials consisting of metal oxides such as aluminum oxide and cerium oxide coated with wire mesh filter. Both the catalyst materials - aluminum oxide and cerium oxide are inexpensive in comparison with conventional catalysts such as palladium or platinum. The main objective of this work is to control the NOx, CO emission and to develop a low-cost three way catalytic converter. This catalytic converter is assembled in the exhaust manifold region of a computerized single cylinder four stroke diesel engine.

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Evaluation of piston ring materials in oil containing an abrasive using a ring-on-block test machine

Cited by 7 publications

References 13 publications

Influence of loading, contamination and additive on the wear of a metallic pair under rotating and reciprocating lubricated sliding

Influence of loading, contamination and additive on the wear of a metallic pair under rotating and reciprocating lubricated sliding

Sliding wear behavior of the supersonic plasma sprayed WC–Co coating in oil containing sand

Experimental Investigation on Emission Characteristics of Catalytic Converter Using Different Wash Coat Material

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