On the influence of thickness non-uniformity on mechanical behaviour under small punch load
The Small punch (SP) test is an alternative method to determine the mechanical properties of various materials, including metallic and non-metallic. It uses a relatively small amount of material as a test sample and causes minimum damage to the components during sample extraction, giving it advantag...
| Main Authors: | , , , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
IOP Publishing
2025
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| Subjects: | |
| Online Access: | https://umpir.ump.edu.my/id/eprint/45777/ |
| _version_ | 1848827508540047360 |
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| author | Pandit, Sarthok Chandra Nasrul Azuan, Alang Ferdous, I. U. Juliawati, Alias Mohd Firdaus, Hassan Norhaida, Ab Razak |
| author_facet | Pandit, Sarthok Chandra Nasrul Azuan, Alang Ferdous, I. U. Juliawati, Alias Mohd Firdaus, Hassan Norhaida, Ab Razak |
| author_sort | Pandit, Sarthok Chandra |
| building | UMP Institutional Repository |
| collection | Online Access |
| description | The Small punch (SP) test is an alternative method to determine the mechanical properties of various materials, including metallic and non-metallic. It uses a relatively small amount of material as a test sample and causes minimum damage to the components during sample extraction, giving it advantages over conventional test methods. However, preparing SP samples with accurate and uniform thickness is challenging. This issue leads to inconsistency in the mechanical properties data obtained from the SP test. The present study numerically investigates the effect of non-uniform sample thickness on the displacement-force data of alloy steel under small punch load at room temperature. The thickness of the sample varies in both radial and through-thickness directions to simulate real material conditions during the laboratory sample preparation stage. This variation in thickness is modelled in Finite Element (FE) Abaqus v6.14 software, considering axis-symmetric conditions. Appropriate load, boundary conditions, and mesh design are assigned to the model. It is found that the non-uniformity of the sample in through-thickness direction affects the displacement-force behaviour of the material. Furthermore, the stress and strain distribution are also affected. The displacement-force response, however, remains constant under the effect of radial non-uniformity. Based on the study, it can be concluded that sample preparation is a critical stage which requires exceptional attention to obtain reliable results in the SP test. |
| first_indexed | 2025-11-15T04:01:50Z |
| format | Conference or Workshop Item |
| id | ump-45777 |
| institution | Universiti Malaysia Pahang |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T04:01:50Z |
| publishDate | 2025 |
| publisher | IOP Publishing |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | ump-457772025-09-30T07:54:11Z https://umpir.ump.edu.my/id/eprint/45777/ On the influence of thickness non-uniformity on mechanical behaviour under small punch load Pandit, Sarthok Chandra Nasrul Azuan, Alang Ferdous, I. U. Juliawati, Alias Mohd Firdaus, Hassan Norhaida, Ab Razak TJ Mechanical engineering and machinery The Small punch (SP) test is an alternative method to determine the mechanical properties of various materials, including metallic and non-metallic. It uses a relatively small amount of material as a test sample and causes minimum damage to the components during sample extraction, giving it advantages over conventional test methods. However, preparing SP samples with accurate and uniform thickness is challenging. This issue leads to inconsistency in the mechanical properties data obtained from the SP test. The present study numerically investigates the effect of non-uniform sample thickness on the displacement-force data of alloy steel under small punch load at room temperature. The thickness of the sample varies in both radial and through-thickness directions to simulate real material conditions during the laboratory sample preparation stage. This variation in thickness is modelled in Finite Element (FE) Abaqus v6.14 software, considering axis-symmetric conditions. Appropriate load, boundary conditions, and mesh design are assigned to the model. It is found that the non-uniformity of the sample in through-thickness direction affects the displacement-force behaviour of the material. Furthermore, the stress and strain distribution are also affected. The displacement-force response, however, remains constant under the effect of radial non-uniformity. Based on the study, it can be concluded that sample preparation is a critical stage which requires exceptional attention to obtain reliable results in the SP test. IOP Publishing 2025 Conference or Workshop Item PeerReviewed pdf en cc_by_4 https://umpir.ump.edu.my/id/eprint/45777/1/On%20the%20influence%20of%20thickness%20non-uniformity%20on%20mechanical%20behaviour.pdf Pandit, Sarthok Chandra and Nasrul Azuan, Alang and Ferdous, I. U. and Juliawati, Alias and Mohd Firdaus, Hassan and Norhaida, Ab Razak (2025) On the influence of thickness non-uniformity on mechanical behaviour under small punch load. In: Journal of Physics: Conference Series. 3rd International Postgraduate Conference on Mechanical Engineering 2024, IPCME 2024 , 3 October 2024 , Virtual, Online. pp. 1-11., 2933 (012005). ISSN 1742-6588 (print); 1742-6596 (online) (Published) https://doi.org/10.1088/1742-6596/2933/1/012005 |
| spellingShingle | TJ Mechanical engineering and machinery Pandit, Sarthok Chandra Nasrul Azuan, Alang Ferdous, I. U. Juliawati, Alias Mohd Firdaus, Hassan Norhaida, Ab Razak On the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| title | On the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| title_full | On the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| title_fullStr | On the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| title_full_unstemmed | On the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| title_short | On the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| title_sort | on the influence of thickness non-uniformity on mechanical behaviour under small punch load |
| topic | TJ Mechanical engineering and machinery |
| url | https://umpir.ump.edu.my/id/eprint/45777/ https://umpir.ump.edu.my/id/eprint/45777/ |