I am using work of indentation approach to find out the values of hardness of Ti and Inconel alloys using nanoindentation load-depth curves. I can find the formula for total work. Whereas for plastic work we have to subtract elastic work from total work. Is this right to calculate the elastic work by considering the curve to form a triangle and calculate its area to get the work done. The formula will then be:
W_e= 1/2 (base)(height)
I cannot find this formulation in any research article. Using this formulation, there is a very huge difference in values of hardness calculated through total work and plastic work approach.
Thank you for the help in advance.
Regards,
Muhammad Hassaan Bin Tariq
Dear Muhammad Hassaan Bin Tariq,
I suggest you to have a look at the following paper-Michelle L. Oyena, Robert F. Cook, A practical guide for analysis of nanoindentation data, Journal of the mechanical behavior of biomedical materials 2 (2009) 396 – 407.
Best regards
Dr. Gedvidas Bikulcius
Dear Gedvidas,
Thank you for your response.
I have looked into the research paper. It has very good information on data analysis through nanoindentation but it does not have the information on work of indentation approach which I wanted to apply in my research. Can you kindly suggest such a paper or method if you know how to calculate?
Regards
hi
I dont know about nano-indentation much, but in general, the area under the curves and its different sections can easily be calculated using origin software.
Best Regards
Mumtaz Ali Thanks for your response. Helped a lot.
Regards
The following papers are directly related to your enquiry. If you require further info, let me know please.
1. Abdur-Rasheed Alao, “Elasticity, plasticity and analytical machinability prediction of lithium metasilicate/disilicate glass-ceramics,” Journal of the Mechanical Behavior of Biomedical Materials, 96, 9–19, (2019).
2. Abdur-Rasheed Alao, Ling Yin, “Assessment of elasticity, plasticity and resistance to machining-induced damage of porous pre-sintered zirconia using nanoindentation techniques,” Journal of Materials Science and Technology (IF: 6.155), 32, 402–410, (2016).
3. Abdur-Rasheed Alao, Ling Yin, “Nanoindentation characterization of the elasticity, plasticity and machinability of zirconia,” Materials Science and Engineering: A Structural Materials (IF: 4.652), 628, 181–187, (2015).
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