Process performance and capability study on the combination of surface enhancement tool-based processes
Surface enhancement process is commonly used in the manufacturing industry to improve the material property. It induces beneficial compressive residual stresses into the material and improve its fatigue life. There are many types of surface enhancement process with different deformation mechan...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
Nanyang Technological University
2022
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| Online Access: | https://hdl.handle.net/10356/158523 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Surface enhancement process is commonly used in the manufacturing industry to improve the
material property. It induces beneficial compressive residual stresses into the material and
improve its fatigue life. There are many types of surface enhancement process with different
deformation mechanism, such as robotic hammer peening and deep cold rolling. Each process
has its advantages and disadvantages. Currently, there is a gap of study on the performance of
combination between robotic hammer peening and deep cold rolling processes. This study aims
to analyse the capability of the combined surface enhancement process between robotic
hammer peening and deep cold rolling and evaluated based on surface roughness, surface
hardness and residual stress profile. This study of combined process aims to achieve a greater
improvement in material property by leveraging the benefits of each single surface
enhancement process
The results showed that by combining the aforementioned surface enhancement processes were
able to show a greater improvement in material property, and the sequence of the processes is
important. The advantages and disadvantages of each combination of surface enhancement
process are identified and evaluated. |
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