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2. European standard on small punch testing of metallic materials;Bruchhausen,2018
3. EN 10371 Metallic materials – small punch test method. European Committee for Standardization (CEN); 2021.
4. ASTM F2183-02: standard test method for small punch testing of ultra-high molecular weight polyethylene used in surgical implants,2008
5. ASTM F2977-13: standard test method for small punch testing of polymeric biomaterials used in surgical implants. ASTM International; 2012.