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• # GJS-600-3 - Wohler's fatigue curve

Discussion in 'Calculations' started by Kaka_89, Dec 5, 2014.

1. ### Kaka_89Member

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Of course, i know that curves will be change with surface finishing, temperature itp.. If you can, please post this Wohler Curve which you talking about, i will be grateful. If you don't knoiw how post image, please insert the direct link to file on web.

Thanks,
kaka_90

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3. ### PierArgWell-Known Member

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I will try to post the image from my personal pc later.

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5. ### PierArgWell-Known Member

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Great!!!!!!!!!!!!!!!! It works

I'm not so dumb as I thought

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7. ### PierArgWell-Known Member

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These graphs are for GJS 600 and they are the standard curves:

- Wohler standard specimen Ã˜7.5 mm
- 50% safe accuracy
- polished surfaces
- Temperature 20 Â°C

8. ### PierArgWell-Known Member

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In the graph the terms means:

- FLESSIONE = BENDING
- TORSIONE = TORSION (this was easy to understand )
- SFORZO NORMALE = AXIAL LOAD

Please let me know if I was clear

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10. ### Kaka_89Member

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Thanks everybody for help. PierArg your fatigue curve is ok, but i must recalculate my problem couple of times then i have a guarante that it is good. T-Harv, i saw that webpage a month ago, but it is not graphs that the interested me. I found a book called "Analitycal Strenght Assessment" - it is FKM (Deutchland) publishing house - there is a method to make a Wohler curve for any materials. I only must study this prolem. Anyway, thanks everybody for your invaluable help.

Pozdrawiam
KKA

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