Andrey Leonov

4 Questions 4 Answers 0 Followers

Questions related from Andrey Leonov

How to convert the fracture toughness to strength?

17 December 2018 2,736 32 View

Young's modulus of tetragonal and cubic zirconia?

For a tetragonal zirconia, is it 210 GPa? And for cubic?

25 November 2018 9,219 2 View

How to convert weight percent to volume for composites materials?

The composite material consists of two components, for example, of 90 wt.% zirconia (6.1 g/m3) and 10 wt.% alumina (3.99 g/m3). How to convert weight percent to volume?

16 November 2018 9,192 8 View

The correctness of the calculation of fracture toughness of ceramics via Vickers indentation method?

We use Vickers indentation method for estimation of the fracture toughness. We use the following formula, Fig. 1. The calculation requires the average length of cracks. If there is only one 8 μm...

31 October 2018 674 4 View