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A Modified Method for Hardness Determination from Nanoindentation Experiments with Imperfect Indenters
المؤلفون المشاركون
Guo, Wei Chao
Xu, Heng
Gao, Xin Qin
Hou, X. L.
Li, Yan
المصدر
Advances in Materials Science and Engineering
العدد
المجلد 2016، العدد 2016 (31 ديسمبر/كانون الأول 2016)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2016-01-27
دولة النشر
مصر
عدد الصفحات
8
الملخص EN
Nanoindentation is an effective nondestructive method for small scale determination of mechanical properties of materials.
However, indentation response of metallic materials is very sensitive to indenter tip roundness, size effects, loading rate, and so forth.
This study will analyze the effect of indenter shape imperfections on hardness determination.
For this purpose, experimental investigations and finite element simulations are carried out.
At first, it is found that hardness values determined with Oliver and Pharr’s method are affected by errors caused by imperfect indenter tip: errors increase for imperfect indenters with larger tip radii.
Afterwards, several commonly used methods accounting at different extents for tip radius variations are compared.
However, most of those methods are found not to be accurate for shallow indentation.
For this reason, a novel hardness determination method based on geometrical relations of the imperfect indenter tip is developed.
Results show that the new approach is very effective even in the case of shallow indentation.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Guo, Wei Chao& Xu, Heng& Gao, Xin Qin& Hou, X. L.& Li, Yan. 2016. A Modified Method for Hardness Determination from Nanoindentation Experiments with Imperfect Indenters. Advances in Materials Science and Engineering،Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1096470
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Guo, Wei Chao…[et al.]. A Modified Method for Hardness Determination from Nanoindentation Experiments with Imperfect Indenters. Advances in Materials Science and Engineering No. 2016 (2016), pp.1-8.
https://search.emarefa.net/detail/BIM-1096470
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Guo, Wei Chao& Xu, Heng& Gao, Xin Qin& Hou, X. L.& Li, Yan. A Modified Method for Hardness Determination from Nanoindentation Experiments with Imperfect Indenters. Advances in Materials Science and Engineering. 2016. Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1096470
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1096470
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