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Posts by deajohn5556
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<< back  Showing Messages 31-60 (of 179)  Next >>
Window for pressurized chamber made from laminated glass?
Under 2 atm pressure (30 psi) I calcualte a stress of 2700 psi fo...
Posted 10/25/10 12:30 PST
Beam Stress
You need to supply the length of the beam and then the calculatio...
Posted 09/03/10 19:43 PST
tapered beam deflection
I agree, this is a difficult solution because the inertia is vary...
Posted 06/11/10 08:30 PST
What is membrane stress?
Membrane stress is the tensile stress developed in the vessel.&nb...
Posted 06/10/10 13:03 PST
Properties of steels at high temperature
MIL HDBK 5 has properties up to 800C and stress train diagrams up...
Posted 06/08/10 09:44 PST
Formula for calculating the pull-out force of a screw from wood
Yes, sure, this is standard strength of materials theory.  I...
Posted 05/03/10 20:14 PST
Formula for calculating the pull-out force of a screw from wood
I would estimate the pullout force as   P = (PI)DtS/2 ...
Posted 04/30/10 20:10 PST
Split Washer design
IThere is no lateral load unless acted upon laterally. If up to m...
Posted 04/29/10 13:29 PST
How to do stress analysis, etc
If you are not taking a course, and are comfortable with equation...
Posted 04/29/10 13:25 PST
4 point bend test-determining the yield strength?
James If you have load vs. deflection, for most materials, when ...
Posted 02/28/10 13:48 PST
Corrosion in steels
When chromium is added to steel, from 12-18%, the steel is made s...
Posted 12/21/09 19:50 PST
Stainless Steel
Stainless steel contains 12%-18% chromium depending on type. ...
Posted 11/14/09 18:41 PST
Surface finish notation
I believe that would  be the surface roughness in microinche...
Posted 08/25/09 08:06 PST
What bolts are strongest?
Jay As gerdb notes, you torque the bolt head  (or nut) with...
Posted 07/19/09 19:20 PST
What bolts are strongest?
Jay   Yes, the higher the grade the higher the strength; g...
Posted 07/15/09 19:01 PST
to get the deflection of the membrane
In your first post you state central load and in your second you ...
Posted 07/02/09 06:33 PST
flexural modulus
The formula is correct for three point bend simple beam:  d ...
Posted 06/21/09 05:33 PST
Rp threads
I am unfamiliar witht that also, , but apparently it is designa...
Posted 01/07/09 12:25 PST
stress singularity
If you are looking at stresses at the internal corner of the I be...
Posted 11/26/08 09:21 PST
Qualifications to become a composites design engineer?
A degree in mechanical engineering woul d be a good choice. I wo...
Posted 11/06/08 11:27 PST
Pounds Force of a dropped weight???
If you did mass times acceleration, how did u calculate the accel...
Posted 10/27/08 15:59 PST
Pounds Force of a dropped weight???
The force depends on the deceleration as it hits which depends on...
Posted 10/27/08 10:55 PST
Did ASTM A167 cover 304SS material?
This note from ASTM should help clear this up. JohnNote 1; &...
Posted 09/15/08 11:36 PST
area of contact of a pipe laying on a flat metal
The value of B in the formula is the WIDTH of contact per unit le...
Posted 09/09/08 07:36 PST
area of contact of a pipe laying on a flat metal
If your plinth is flat you do not need to know its dimensions as ...
Posted 09/08/08 13:48 PST
area of contact of a pipe laying on a flat metal
You're welcome.  Make sure you keep the units straight;I am ...
Posted 09/06/08 08:40 PST
area of contact of a pipe laying on a flat metal
Is this a homework problem or are you an engineer?  If you a...
Posted 09/04/08 07:43 PST
area of contact of a pipe laying on a flat metal
Yes, you need a weight to detrmine contact arae; if you know the ...
Posted 09/03/08 04:17 PST
area of contact of a pipe laying on a flat metal
What material is the pipe and the sheet metal? Is it just sittiin...
Posted 09/02/08 09:07 PST
Deflection of a cylinder
This is a contact stress problem that is complex, formula is too ...
Posted 08/04/08 07:03 PST
<< back  Showing Messages 31-60 (of 179)  Next >>

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