| BM | base material |
| BFM | brazing filler metal |
| DAZ | Diffusion-affected zone |
| SSP | solid solution phase |
| MZ | multiphase zone |
| HIT | indentation hardness |
| HM | Martens hardness |
| Er | reduced modulus of the indentation contact |
| ηIT | elastic part of indentation work |
| CIT | indentation creep |