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| Content Provider | Springer Nature Link |
|---|---|
| Author | Sorour, Ahmad A. Chromik, Richard R. Brochu, Mathieu |
| Copyright Year | 2013 |
| Abstract | The aim of this study was to study the microstructure and tribology of a Fe–Cr–B-based alloy coating deposited by a controlled short-circuit metal inert gas welding process onto a 1020 carbon steel substrate with varying input energies. Microstructure analysis showed that the as-deposited alloy consisted of (Cr,Fe)$_{2}$B particles embedded in a BCC solid solution matrix composed of Fe, Cr, Mn, and Si. The hardness of (Cr,Fe)$_{2}$B particles was 24 GPa. When the input energy increased during welding process, the deposition volume and dilution ratio were increased. As a result, (Cr,Fe)$_{2}$B particle volume fraction decreased from 44.6 to 37.2% and the bulk hardness decreased from 6.43 to 5.80 GPa. Dry sliding wear tests were carried out against a stainless steel counterface. The steady state coefficient of friction and the wear rate for the Fe–Cr–B-based alloy were independent of input energy. While the coefficient of friction for the Fe–Cr–B-based alloy was about 20% higher than for the 1030 carbon steel, the wear rate was about 90% lower. The dominant sliding wear mechanisms were adhesion and oxidation. Two-body abrasion wear test using alumina abrasives showed that the wear rate of the Fe–Cr–B-based alloy increased as the input energy increased and was about 90% lower than that of the 1030 carbon steel. The abrasive wear mechanism was microcutting. |
| Starting Page | 223 |
| Ending Page | 233 |
| Page Count | 11 |
| File Format | |
| ISSN | 21929262 |
| Journal | Metallography, Microstructure, and Analysis |
| Volume Number | 2 |
| Issue Number | 4 |
| e-ISSN | 21929270 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2013-06-19 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Fe–Cr–B alloy Metal matrix composite CSC-MIG welding Nanoindentation Electron microscopy Metallic Materials Characterization and Evaluation of Materials Structural Materials Surfaces and Interfaces, Thin Films Nanotechnology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Metals and Alloys |
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