Publicação
Tribological characterization of bi-functional abrasive composite
| Resumo: | Abrasive grinding wheels play a key role in industrial machining operations involving material removal and surface finishing, particularly in applications requiring high precision and strict surface quality. However, heat generation during grinding remains a challenge, as friction and cutting at the wheel–workpiece interface increase local temperatures, degrading workpiece properties and accelerating wheel wear, thereby reducing process efficiency [1,2]. This work proposes the concept of a bi-functional grinding wheel with alternating hard (higher density) and soft (lower density) zones. Denser zones provide wear resistance and structural cohesion, while softer (porous) zones preferentially wear, texturing the wheel surface. This design is expected to generate functional surface textures, improve coolant penetration, and enhance thermal stability while reducing the need for tool reconditioning. To support this concept, specimens were produced to investigate the tribological behavior of composites with mixed densities. |
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| Autores principais: | Capela, Paulina Araújo |
| Outros Autores: | Costa, Sharlane Maria; Correia, Márcia; Gomes, José; Teixeira, José Carlos; Pereira, Mário; Soares, Delfim |
| Assunto: | grinding wheel structure heat dissipation |
| Ano: | 2026 |
| País: | Portugal |
| Tipo de documento: | outro |
| Tipo de acesso: | acesso restrito |
| Instituição associada: | Universidade do Minho |
| Idioma: | inglês |
| Origem: | RepositóriUM - Universidade do Minho |
| Resumo: | Abrasive grinding wheels play a key role in industrial machining operations involving material removal and surface finishing, particularly in applications requiring high precision and strict surface quality. However, heat generation during grinding remains a challenge, as friction and cutting at the wheel–workpiece interface increase local temperatures, degrading workpiece properties and accelerating wheel wear, thereby reducing process efficiency [1,2]. This work proposes the concept of a bi-functional grinding wheel with alternating hard (higher density) and soft (lower density) zones. Denser zones provide wear resistance and structural cohesion, while softer (porous) zones preferentially wear, texturing the wheel surface. This design is expected to generate functional surface textures, improve coolant penetration, and enhance thermal stability while reducing the need for tool reconditioning. To support this concept, specimens were produced to investigate the tribological behavior of composites with mixed densities. |
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