2015-Sustainable Industrial Processing Summit
SIPS 2015 Volume 6: Coatings, Cement, Rare Earth & Ferro-alloys
| Editors: | Kongoli F, Yildirim H, Hainer S, Hofmann K, Proske T, Graubner C.A., Albert B |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2015 |
| Pages: | 200 pages |
| ISBN: | 978-1-987820-29-4 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Improving Wear Properties of High Chromium Cast Iron by Manganese Alloying
Hadji Ali1; Bouhamla Khedidja1;1BADJI MOKHTAR UNIVERSITY ANNABA ALGERIA, Annaba, Algeria;
Type of Paper: Regular
Id Paper: 7
Topic: 12
Abstract:
High chromium cast irons are widely needed by several industrial areas where the environment is dominated by wear. They are used in mining, cement, steel-making plants and many others. Their microstructure consists of netted eutectic carbides embedded in an austenitic or martensitic matrix. The wear behaviour is mainly controlled by the carbides shape and also matrix type. Several scientific works try to improve the wear behaviour and to optimize the life service of this cast iron by using varied techniques. In this work we intend to study the effect of manganese content on the microstructure properties and wear behaviour of a 15% chromium white cast iron used for mill ball production. The present work treats the wear behaviour, after heat treatment, of a manganese alloyed high chromium cast iron. A set of specimens were melted in an induction oven by varying the manganese content in the range 0-3%.
Heat treated samples are analysed by optical microscopy, MEB, DSC and DRX and wear tested by abrasion and friction. Increasing the manganese addition gave a structural evolution and a wear resistance improvement. The best wear behaviour is obtained with samples containing 3% Mn.