Ductile Coulomb Mohr Criterion: Different Yielding Strengths in Compression vs. Tension

LECTURE 13:
Here materials with different yielding strengths in compression than in tension are introduced, and the Ductile Coulomb Mohr failure theory is derived from the maximum shearing stress concept and the geometry of the Mohr's circles associated with tensile and compressive yielding data. Ductile iron is spotlighted as one example of a material that can exhibit asymmetric tensile and compressive yielding strengths. An example is completed in which DCM theory is used to evaluate a factor of safety for the critical location on a ductile iron shaft subjected to bending and torsion due to a belt drive. The load line for this state of stress is plotted along with the DCM failure locus. The algebraic evaluation of the safety factor is verified against the geometry of the load line/failure locus plot.
Playlist for MEEN361 (Advanced Mechanics of Materials):
• MEEN 361: Advanced Mec...
Playlist for MEEN462 (Machine Element Design):
• MEEN 462: Machine Elem...
This lecture was presented on January 10, 2018. All retainable rights are claimed by Michael Swanbom.
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[@Joel-ov5pt]

Very well presented. It was easy to follow along with and made sense.

[@cogitateandabet]

I'm out of words, literally...thanks a ton prof.!!

[@TheBomPE]

Thanks for your support! I'm glad you enjoyed it!

[@SuperSaiyanz420]

22:30 Why not Syt/2 - Syc/2 based on the fact that the cordinate location for Syc is negative. Great content btw. It helps me at my workplace alot!

[@NaveenKumar-mr2lz]

Greetings from India, awesome explanation.

[@TheBomPE]

Greetings to India! I'm glad you found it helpful, and thanks for watching!

[@duncankariuki8731]

Thank you so much for such an elaborate explanation.

[@TheBomPE]

I'm glad you liked it! Thanks for watching!

[@علیروحیپور-ز7ز]

awesome explanation

[@indianfirst423]

Very nice explanation... Helps me in my professional life.

[@TheBomPE]

I'm glad I could help! Thank you for watching!

[@sk.so2]

Such a helpful video!!! A big appreciation....

[@TheBomPE]

Glad I could help! Thanks for watching!

[@aleemdawood7009]

Finally, I get sense, Great Thank.

[@TheBomPE]

I'm glad the video was helpful! In case you haven't seen them yet and might be interested, here are some of my playlists: ENGR122 (Statics & Engr Econ Intros): kzbin.info/aero/PL1IHA35xY5H52IKu6TVfFW-BDqAt_aZyg ENGR220 (Statics & Mech of Mat): kzbin.info/aero/PL1IHA35xY5H5sjfjibqn_XFFxk3-pFiaX MEMT203 (Dynamics): kzbin.info/aero/PL1IHA35xY5H6G64khh8fcNkjVJDGMqrHo MEEN361 (Adv. Mech of Mat): kzbin.info/aero/PL1IHA35xY5H5AJpRrM2lkF7Qu2WnbQLvS MEEN462 (Machine Design): kzbin.info/aero/PL1IHA35xY5H5KqySx6n09jaJLUukbvJvB (MEEN 361 & 462 are taught from Shigley's Mechanical Engineering Design) Thanks for watching!

[@izzetyarar9542]

Excellent video again thank you. But in example, why didnt we take shear stress into account at the critical point? doesnt it occur?

[@michaelswanbom6023]

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