Adding your own material

[SmileyFaceImoji]

Good day, in FEM workbench I would like to ask if it's possible to add my own material and it's material properties since some of the materials I wish to use are not available,
P. S Sorry to ask a dumb question

[david69]

may be there for a begining of answer
https://wiki.freecadweb.org/FEM_MaterialEditor

[NewJoker]

You can select one of the predefined materials and edit its physical properties. If you want to save your own material, click "use FreeCAD material editor" and there you can not only change the properties of predefined materials but also save them using new names.