The discussion revolves around calculating Young's Modulus of Elasticity for various materials using provided stress-strain data and graphs. Participants explore the implications of non-linear stress-strain relationships and the challenges of deriving a consistent modulus from the data.
Participants do not reach a consensus on how to interpret the stress-strain data or the appropriate method for calculating Young's Modulus. Multiple competing views on the nature of the stress-strain relationship and the graphical representation remain unresolved.
Participants highlight the potential for non-linear behavior in stress-strain curves and the implications for calculating a consistent Young's Modulus across different materials. There are also discussions about the necessity of including specific data points in graphical representations.
joe465 said:Still having problems finding which materials they are. Material Y young's modulus is 270 GPa and looking at the stress strain graph it has a UTS of 700 MPa. I can't find a material which matches this, please help. Chromium has a Young's Modulus of 279 GPa but i can't find the UTS anywhere.