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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
finishing.com -- The Home Page of the Finishing Industry


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SN Curve for 1045 Steel




Q. I am searching for the SN curves of 1045 steel at room temperature. Please help me.

Thanks,

Roozbeh Mansoori
- Esfahan, Iran
2002


A. I don't know if you have found the answer to your inquiry or not by now. Anyhow, here is one link where you can find a copy of such S-N curve: www.me.iastate.edu/me515_comer/Lecture/lecture11.pdf

N. Merah
- Dhahran, KSA


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Ed. note: Sorry, that link is now broken, but thanks to archive.org it's available at:
web.archive.org/web/20060902115523/www.me.iastate.edu/me515_comer/Lecture/lecture11.pdf



"Metal Fatigue in Engineering"

on AbeBooks

or Amazon

(affil links)

Q. Hello, my final year thesis is about improvement of fatigue strength of 1045 steel by induction hardening,I'm using a Rotating Bending Machine, sir I'm facing a problem actually, I've mounted the untreated specimen first on the machine, weight of 200 Kg is set, more than 3000000 (thirty lack) cycles it has borne and still no broken, sir actually we are operating the machine first time ever.sir we have to stop the machine at off timings, is it right to discontinue the test.
please guide me in this regard, I'm very worried about my project sir, and I've to submit it within the month.

regards,

[name deleted for privacy by Editor]
STUDENT - LAHORE, PAKISTAN
2007


A. The fatigue does not bother about whether you apply the loadings continuously or discontinuously. if you apply the loadings for some number of cycles and then stop the machine the life of the component would have been reduced by the number of cycles that you used it for.

Abrar [surname deleted for privacy by Editor]
- Islamabad, Pakistan
February 11, 2010




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