A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties
In order to accurately and effectively obtain the contact performance of the mating surface under the material surface topography characteristics, a numerical simulation method of rough surface based on the real topography characteristics and a multi-scale hierarchical algorithm of contact performan...
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MDPI AG
2021-05-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/14/11/2914 |
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| author | Yunlong Wang Xiaokai Mu Cong Yue Wei Sun Chong Liu Qingchao Sun |
| author_facet | Yunlong Wang Xiaokai Mu Cong Yue Wei Sun Chong Liu Qingchao Sun |
| author_sort | Yunlong Wang |
| collection | DOAJ |
| description | In order to accurately and effectively obtain the contact performance of the mating surface under the material surface topography characteristics, a numerical simulation method of rough surface based on the real topography characteristics and a multi-scale hierarchical algorithm of contact performance is studied in this paper. Firstly, the surface topography information of materials processed by different methods was obtained and characterized by a measuring equipment; Secondly, a non-Gaussian model considering kurtosis and skewness was established by Johnson transform based on Gaussian theory, and a rough surface digital simulation method based on real surface topography was formed; Thirdly, a multi-scale hierarchical algorithm is given to calculate the contact performance of different mating surfaces; Finally, taking the aeroengine rotor as the object, the non-Gaussian simulation method was used to simulate the mating surfaces with different topographies, and the multi-scale hierarchical algorithm was used to calculate the contact performance of different mating surfaces. Analysis results showed that the normal contact stiffness and elastic–plastic contact area between the mating surfaces of assembly 1 and assembly 2 are quite different, which further verifies the feasibility of the method. The contents of this paper allow to perform the fast and effective calculation of the mechanical properties of the mating surface, and provide a certain analysis basis for improving the surface microtopography characteristics of materials and the product performance. |
| first_indexed | 2024-03-10T10:55:36Z |
| format | Article |
| id | doaj.art-693f70db799847af9f7370203d6f528c |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-10T10:55:36Z |
| publishDate | 2021-05-01 |
| publisher | MDPI AG |
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| series | Materials |
| spelling | doaj.art-693f70db799847af9f7370203d6f528c2023-11-21T21:51:59ZengMDPI AGMaterials1996-19442021-05-011411291410.3390/ma14112914A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical PropertiesYunlong Wang0Xiaokai Mu1Cong Yue2Wei Sun3Chong Liu4Qingchao Sun5School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, ChinaSchool of Mechanical Engineering, Dalian University of Technology, Dalian 116024, ChinaLogistics Engineering College, Shanghai Maritime University, Shanghai 201306, ChinaSchool of Mechanical Engineering, Dalian University of Technology, Dalian 116024, ChinaSchool of Mechanical Engineering, Dalian University of Technology, Dalian 116024, ChinaSchool of Mechanical Engineering, Dalian University of Technology, Dalian 116024, ChinaIn order to accurately and effectively obtain the contact performance of the mating surface under the material surface topography characteristics, a numerical simulation method of rough surface based on the real topography characteristics and a multi-scale hierarchical algorithm of contact performance is studied in this paper. Firstly, the surface topography information of materials processed by different methods was obtained and characterized by a measuring equipment; Secondly, a non-Gaussian model considering kurtosis and skewness was established by Johnson transform based on Gaussian theory, and a rough surface digital simulation method based on real surface topography was formed; Thirdly, a multi-scale hierarchical algorithm is given to calculate the contact performance of different mating surfaces; Finally, taking the aeroengine rotor as the object, the non-Gaussian simulation method was used to simulate the mating surfaces with different topographies, and the multi-scale hierarchical algorithm was used to calculate the contact performance of different mating surfaces. Analysis results showed that the normal contact stiffness and elastic–plastic contact area between the mating surfaces of assembly 1 and assembly 2 are quite different, which further verifies the feasibility of the method. The contents of this paper allow to perform the fast and effective calculation of the mechanical properties of the mating surface, and provide a certain analysis basis for improving the surface microtopography characteristics of materials and the product performance.https://www.mdpi.com/1996-1944/14/11/2914precision systemmaterial surfacetopography characteristicsrough surface simulationmechanical properties |
| spellingShingle | Yunlong Wang Xiaokai Mu Cong Yue Wei Sun Chong Liu Qingchao Sun A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties Materials precision system material surface topography characteristics rough surface simulation mechanical properties |
| title | A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties |
| title_full | A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties |
| title_fullStr | A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties |
| title_full_unstemmed | A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties |
| title_short | A High Precision Modeling Technology of Material Surface Microtopography and Its Influence on Interface Mechanical Properties |
| title_sort | high precision modeling technology of material surface microtopography and its influence on interface mechanical properties |
| topic | precision system material surface topography characteristics rough surface simulation mechanical properties |
| url | https://www.mdpi.com/1996-1944/14/11/2914 |
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