Technological residual stresses during grinding of high-strength steels
| Autor: | E. P. Shalunov, P. M. Salov, D. P. Salova |
|---|---|
| Rok vydání: | 2020 |
| Předmět: | |
| Zdroj: | IOP Conference Series: Materials Science and Engineering. 709:033018 |
| ISSN: | 1757-899X 1757-8981 |
| DOI: | 10.1088/1757-899x/709/3/033018 |
| Popis: | The quality of parts made of high-strength steels is largely determined by the ability to perceive alternating cyclic loads. This ability depends on the sign and the level of technological stresses generated largely in the final operations. Residual stresses are the result of the combined effect of stresses from forces, temperatures, and structural transformations. A significant part of specialists in this field believe that the dominant factor in their formation is heat. Thermoplastic deformations and phase-structural transformations occur under the influence of cutting heat. There are tensile stresses that reduce the cyclic strength of parts. The aim of the work is to develop recommendations for providing on the surfaces of parts made of high-strength steels favorable residual stresses. For its implementation, a deep study of the known mechanisms of the formation of residual stresses is carried out, the process of chip formation during cutting with a cutter with a negative front angle is considered in depth, the role of the modified temperature, smoothing effect is revealed. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|