NDLI: Effect of Sand Concentration in the Medium and Travel Distance and Speed on the Slurry Wear Response of a Zinc-Based Alloy Alumina Particle Composite

Content Provider	Springer Nature Link
Author	Prasad, B.K. Jha, A.K. Modi, O.P. Yegneswaran, A.H.
Copyright Year	2004
Abstract	Slurry wear characteristics of a zinc-based alloy composite containing 10 wt.% alumina particles have been analyzed by sample rotation technique in this study. The slurry comprised 0.4 g sodium chloride and 0.5 cm$^{3}$ concentrated sulphuric acid dissolved in one litre of water plus varying concentration (up to 60 wt.%) of sand particles. The traversal distance was varied in the range of 15–500 km while test speeds were maintained at 4.71 and 7.02 m/s. It was observed that the wear response of the composite was influenced by parameters such as traversal speed and distance and the content of the sand particles in the environment. Wear rate reduced with increasing speed when tests were conducted in the liquid-only medium while the trend tended to reverse in the presence of the suspended sand particles in the medium. Further, the wear rate increased initially with distance, attained a peak and decreased thereafter at longer traversal distances. Testing the samples in the environment without sand led to higher wear rate when compared with the ones in the media containing sand. Further, within the liquid plus sand media, intermediate sand content (in the test environment) caused maximum wear rate. In this case, the maximum sand content exhibited minimum wear rate. The wear behaviour of the composite under varying conditions has further been substantiated through the characteristic features of the affected surfaces and subsurface regions. Operating wear mechanisms have been observed to be corrosion assisted erosion and abrasion. The predominance of one mechanism over the other(s) actually controlled the wear response of the composite in specific conditions of wear.
Starting Page	301
Ending Page	309
Page Count	9
File Format	PDF
ISSN	10238883
Journal	Tribology Letters
Volume Number	17
Issue Number	2
e-ISSN	15732711
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2004-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Physical Chemistry Mechanics Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Mechanics of Materials Mechanical Engineering Surfaces and Interfaces

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