Mechanics of Materials: Lesson 13 - Stress Strain Diagram Example Problem

Top 15 Items Every Engineering Student Should Have!

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[diegoguatemala]

you are saving my life right now! Thank you Dr. Hanson, you saved me for statics, dynamics and now for solids, I could not be happier and grateful! This really inspires! I am a third year transfer student and so far it is very hard this new college life, no friends and all that. Studying alone is hard, but when I see your videos, I feel company and support! thanks so much!

[felixfalk]

Passing by to say, Thank You very much for this godsent solids course.
Since I started studying engineering (like 7 years ago), I couldnt get into solids because of the teacher overcomplicating it(to get an idea, it was way easier to learn the whole course in English than learning a single topic by my teacher in Spanish), and after 3 weeks binge watching your videos and even starting to love the subject itself, not only have I passed the test, I finally can now finish my engineering degree.

Again Thank You very much and lets hope for the best in these hard times

Sincerely, Felix

[crismoreno]

Your the only guy doing these videos your channel is underrated! This is all really great stuff! Dont give up in doing these videos people will see the value you bring them!

[mertfenerbahcepro]

E : 4:50
Modulus resilience: 6:15
Modulus of toughness: 8:10
New length: 14:45

[theironmuttonchops]

You're a great teacher, I'm currently studying for my FE Exam and you're a heap of help!

FYI: I don't wanna be that guy but at 7:30 you made a typo, it should be 20 kPa not 20 MPa, triple fail!

[moisesvasquez]

Thank you and Howdy from a Texas A&M mechanical engineering student

[sinamaihami]

Thank you sir just don't forget to continue on the Dynamic videos we need your help and we love you for all the work and appreciate it.

[ViktoriaReads]

I got the modulus of resilience as being ur = (1/2) base * height = 20*10^3 as we are calculating the area under a triangle

[jackbryan]

Hey boss man! Your correction note says 20MPa instead of 20kPa (double fail haha). Thanks for all the helpful content!

[conorbobonner]

I weirdly like that he keeps the mistakes in the final cut. Shows that even a PhD can mess up one of the simple steps sometimes, it gets everybody from time to time

[marcdheere]

I believe that MPa should be written with a clear capital "M" and not with smoothed enlarged "m". I very much liked your explanation of the tiny zone with the upper and lower proportional limits; Rare that this is told. :-)

[singleturbosupra]

Would you do or have you done videos about fatique? I can understand fairly well the basics of fatique but am having some trouble understanding the more in-depth concepts of it.

I love calculating stresses and strengths of parts and wish to do it in my engineering career, I already have a solid understanding of static stresses, but fatique I'd like to understand more.

[cemkarakaya]

Hi Jeff, i wonder why continuous yielding doesnt occur on high carbon steel or high alloy steel? Do you have any information about it? i have an exam in two days, if you help, i would be greateful to you

[dymytryruban]

The addition of chromium doesn"t really increase hardness but improves hardenability.

[bradvincent]

at 16:42, x should equal .0084. In the video an extra zero was added. Excellent video though, thank you!

[Shadowgangster]

first on saturday night im lonely and feel very depressed

[changjunyang]

did anyone notice that the cylinder height changed from 2'' to 250mm and radius changed from .5'' to 3mm at 14:24