Which software for a stress-strain curve?

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SUMMARY

The discussion centers on the effective use of Excel for plotting stress-strain curves and calculating key parameters such as σ0.2, σmax, and σ0.5. Users initially struggled with precision in plotting and drawing additional lines using Octave, but consensus emerged that Excel can adequately perform these calculations when implemented correctly. The importance of understanding the parameters and their calculations was emphasized, leading to a renewed confidence in utilizing Excel for this purpose.

PREREQUISITES
  • Understanding of stress-strain curve parameters (σ0.2, σmax, σ0.5)
  • Proficiency in Microsoft Excel for data analysis and graphing
  • Basic knowledge of interpolation techniques
  • Familiarity with material testing concepts
NEXT STEPS
  • Learn advanced Excel techniques for data visualization and analysis
  • Research methods for calculating stress-strain parameters in Excel
  • Explore interpolation methods for discrete data sets
  • Investigate alternative software options for stress-strain curve analysis
USEFUL FOR

Engineers, material scientists, and students involved in material testing and analysis who seek to efficiently plot and analyze stress-strain curves using Excel.

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Hi everyone,

I'm trying to draw a stress-strain curve with data collected from the test itself. I have no problem plotting the points obtained, but I can't figure out how to graphically or at least with some kind of software aid, to get results (σ0.2, σmax, σ0.5, and so on).

I tryed with excel, but even though I can draw lines on the graphic by hand, it's not the most precise thing. Also with octave, but drawing aditional lines over the curve involves interpolation and it's lots of work for just a few lines.

Does somebody have an "easy" solution for this?

cheers!
 
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Excel is more than capable of calculating all of the parameters you have listed, it need only be properly implemented.

Do you understand what each of the parameters is, and how they are calculated?
 
Hello, and thank you for your reply.

Yes I understand the parameters, and even with the ones I'm not so sure about, I have a few textbooks to go to.

My question was mainly because of the hook's line (I don't know the actual name in english), and the other parallel lines I have to draw (with the same slope, but starting from a given percentage of deformation).

Now that you state it so firmly, I guess it really could be done with excel, but as it is a discrete set of data, it wouldn't be so "direct" to do the calculations.

I'll give it another try, maybe it's simpler than I thought.

Thanks again.
 
Yes excel is a great and powerful tool for us to work with. I would also use it for this calculations
 

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