All Questions
8
questions
0
votes
1
answer
33
views
DLC wear resistance
I read that a thickness of one micrometer of DLC coating (which, if I understood correctly, shows similar properties to diamond), increases the lifespan of an item plated with it from a week to more ...
1
vote
1
answer
52
views
Potential Problems of Excessively Hard Shaft
Will there be any issues if we make the shaft too hard?
Hardness being a surface property may prevent surface scratches and wear, could it lead to any problems in general?
- 88
0
votes
2
answers
145
views
What are the practical solutions to manufacturing this mechanical piece?
My Custom Piece (Measures are in mm)
I'm designing a custom mechanism that needs this piece to be able to function, but when i started thinking about how to manufacture it, I started getting confused ...
- 3
0
votes
1
answer
765
views
How do I properly scale down a force for scale-down model testing?
I am designing structural frame for a shipping container that would have 8000 lbs of weight stacked on top of it. Of course, i don't access to real size container. I have built a model whose scale is ...
- 1
1
vote
1
answer
164
views
Stress strain curve [duplicate]
According to uniaxial stress strain curve, specimen fails at a certain stress value since necking begins.
My question is that, same stress value appears before necking especially around yield point ...
- 61
0
votes
0
answers
28
views
What bending test and torsion test standard are recommend for a surfboard?
I wish to find a bending and torsion test standard for a surfboard (non-prismatic) that is roughly 2000mm long. The closest I've found for bending test is probably those ones that are designed for ...
- 1
0
votes
2
answers
383
views
How to perform 3 point bending test by using force instead of displacement in ABAQUS?
I know you can apply displacement to a rigid body (cylindrical rod) to perform a 3 point bending test in ABAQUS. Is it possible to apply force to the rod (e.g. rod with super high young's modulus so ...
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1
vote
1
answer
185
views
Can isotropic materials become anisotropic under elastic deformation?
Are there solid materials that begin as isotropic materials (i.e. isotropic elastic parameters) in their natural (i.e. unstressed) state, but that become anisotropic under sufficient stress/strain? ...
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