Spark Plasma Sintering Preparation of Tungsten Carbide-Reinforced Iron-Based Composite Materials: Wear Resistance Performance and Mechanism
Xiaoyi Zeng, Renquan Wang, Ying Liu · 2024
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Description
Xiaoyi Zeng, Renquan Wang, and Ying Liu test how the shape of hard particles affects the wear resistance of iron-based materials. The team used spark plasma sintering, a fast hot-pressing method, to embed tungsten carbide particles in iron. Some particles were round and others jagged, and the mix was varied to find the best recipe.
Adding jagged particles changed how the surface rubbed, wore, and failed. As their share rose, the wear rate first fell, then rose, then fell again. A ten percent share gave the lowest wear, while twenty percent gave the worst. Microscope views showed the wear style shifting from surface oxidation toward gritty abrasion as jagged content grew, with cracks appearing at high loads. Small amounts of the particles hardened the iron by forming new carbide phases, which protected it. Too many roughened the surface and undid the gain.
Catalog record
| CREATOR | Xiaoyi Zeng, Renquan Wang, Ying Liu |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 29 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |