Abstract
The indentation behavior of carbon microspheres was examined. The indentation load was in the range of 50 μN to 500 μN for the carbon microspheres with a diameter of ∼5 μm, and 15 μN to 100 μN for the carbon microspheres with a diameter of 1 μm. For the same ratio of the maximum indentation depth to the diameter of the carbon microspheres, both the contact modulus and indentation hardness for the carbon microspheres with a diameter of ∼5 μm are larger than the corresponding values for the carbon microspheres with a diameter of ∼1 μm. The carbon microspheres of ∼5 μm in diameter exhibited a larger resistance to the mechanical deformation than the carbon microspheres of ∼1 μm in diameter. The plastic energy dissipated in the nanoindentation increases with the increase of the indentation depth (load) and is a power function of the indentation depth.
| Original language | English |
|---|---|
| Pages (from-to) | 687-691 |
| Number of pages | 5 |
| Journal | International Journal of Materials Research |
| Volume | 107 |
| Issue number | 8 |
| DOIs | |
| State | Published - Aug 2016 |
Bibliographical note
Publisher Copyright:© Carl Hanser Verlag GmbH & Co. KG.
Funding
The authors are grateful for the financial support from the KSEF (KSEF-148-502-15-341). YS is grateful for the support from Climbing Peak Discipline Project of Shanghai Dianji University (15DFXK02).
| Funders | Funder number |
|---|---|
| Climbing Peak Discipline Project of Shanghai Dianji University | 15DFXK02 |
Keywords
- Carbon microspheres
- Contact modulus
- Indentation hardness
ASJC Scopus subject areas
- Condensed Matter Physics
- Physical and Theoretical Chemistry
- Metals and Alloys
- Materials Chemistry