Astronuc thanks for your reply.
well i am looking for both values and the formulas. my university porf. have assigned me this research so i should write an article about it.
i need some information regarding following subject.
Calculating mechanical properties of certain material(solid , Liquid, Plasma) form Hooke's Law of elasticity.
σ = E¹ε + E²ε˙ + E³ε¨
Thanks