Tufftride-treated plain carbon steels were found to behave satisfactorily as journal bearing materials under conditions of mixed lubrication. Wear took place by ploughing and severe plastic deformation of the surface. Subsurface cracks when developed gave rise to flake-like wear debris. Ferrographic analysis of wear debris aided in the prediction and analysis of failure in these bearings. © 1988.

Addepalli Ramamohana Rao

CARBON STEEL - WEAR

Lubrication

FERROGRAPHIC ANALYSIS

MIXED LUBRICATION CONDITIONS

SUBSURFACE CRACKS

TUFFTRIDE-TREATED PLAIN CARBON STEELS

WEAR DEBRIS

Bearings

IIT Madras is a public technical and research university located in Chennai, Tamil Nadu. Founded in 1959, it is recognised as an Institute of National Importance.

IIT Madras has been ranked as the top engineering institute in India for four years in a row by the National Institutional Ranking Framework of the MHRD

It currently offers undergraduate, postgraduate and research degrees across 16 disciplines in Engineering, Sciences, Humanities and Management. About 596 faculty belonging to science and engineering departments and centres of the Institute are engaged in teaching, research and industrial consultancy.

IIT Madras

Performance studies on Tufftrided plain carbon steel journal bearings under mixed lubrication conditions

Tribology International

Sursulf and Tufftride treatments were employed on typical plain carbon steels and grey iron. The treated materials were tested under mixed lubrication conditions in a bearing test rig. Friction and wear characteristics were established and the results compared with those obtained from conventional bearing materials, namely brass and bronze. The results show conclusively that the treated ferrous materials perform satisfactorily in relation to the untreated and conventional bearing materials, sometimes even showing improved performance. Among the test situations investigated, on the basis of friction, wear and economic considerations, Sursulf-treated like pairs appear to be the best. © 1992.

Wear

Performance studies on treated steels as substitutes for conventional bearing materials

Proper coating selection for improved galling performance of forming tool steel

Focus on Pigments

Germany: Degussa – isophorone

Metal Science and Heat Treatment

Wear resistance of nitride films

Friction and wear tests on metallic bearing materials for oil-lubricated bearings

Journal of Lubrication Technology

Wear In Lubricated Journal Bearings

Journal	Tribology International
ISSN	0301679X
Open Access	No