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surface roughness

ahmed.hussein's picture

Surface roughness evolution during early stages of mechanical cyclic loading

The effect of crystal size and initial dislocation density on surface roughness evolution in FCC single crystals during the early number of cycles of mechanical cyclic loading is investigated using three dimensional discrete dislocation dynamics simulations. Crystals having size less than 2 μm show early development of surface slip localization, while larger ones show a more uniform distribution of surface steps. The surface roughness is found to increase with increasing number of loading cycles with larger crystals showing a high roughening rate compared to smaller crystals.

Borad M Barkachary's picture

How 2D Finite element metal cutting simulation will help to find out surface rouness??

Hi all Metal cutting experts...

I have done done 2D finite element metal cutting simulation and validated with experimental force value. as we know.. from 2D FEM simulation, we can get only force data, stress-strain, temperature and somehow chip morphology. Can anyone kindly tell me how will this 2D simulation help me to link with surface roughness of the machined surface.

I will be  very gratefull to you all....

 

thanks in advance...

regards...
Borad
India

profilometer's picture

Profilometer software for NDT surface roughness inspection

Novacam 3D Profilometer Software

The Novacam three dimensional software programs are used with all Novacam Profliometers. The program permits the consumer to define how big the region, or line to be measured, along with the lateral resolution from the measurement.

Novacam's high end Data Acquisition Profilometer Software programs are incorporated with all of MicroCam non-contact profilometers.

NANOVEA's picture

Fiberglass Roughness & Flatness With 3D Profilometry

Although there are many uses for Fiberglass reinforcement, in most applications it is crucial that they are as strong as possible. Fiberglass composites have one of the highest strength to weight ratios available and in some cases, pound for pound it is stronger than steel. It is also important to have as little of exposed surface area as possible. Increased surface can make them more vulnerable to chemical attack and possibly material expansion.

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