
Why use a 'dogbone' shape for tensile testing specimens?
2016年1月25日 · Why is that the shape of the tension test specimen a dogbone-like shape? I know that it is so that the deformation is confined to the narrow center region and to reduce …
My dogbone bamboo sample's grips keep breaking
2018年6月22日 · I used an Instron 5581 Tensile Testing machine to test the tension of several bamboo samples that were sanded into dogbone shapes. They kept breaking at the grips and …
Why tensile test specimen is enlarged at its ends?
2021年9月16日 · The tensile test specimen used for tension test has an enlarged cross sectional area at the ends. The sources I'm referring to, suggest that this is the case so that the failure …
Convert Load Deformation (Extension) Data to Stress-Strain Curve
I am trying to manipulate some data that were obtained from a three point load experiment on a porcine tibia. I would like to obtain a stress-strain curve for the various specimens; however, …
mechanical engineering - How are surface roughness specimens …
2022年11月22日 · I'm wondering how surface roughness specimens that are used to calibrate surface roughness machines are created. Specifically those in the 125-200 µin range. Is this …
Doubt related to S-N curve - Engineering Stack Exchange
2023年3月20日 · S-N curve is drawn from the results of fatigue test and fatigue test is conducted under completely reversed bending stress condition on a standard specimen. Is there any …
Vacuum cleaner hose length & diameter vs air resistance
I have 1600 Watt vacuum cleaner, I need to use 32 ft of hose (10 meters), I have a choice here, whether I buy a hose with diameter 3 inches (75 mm) or 2 inch (50 mm) or 1 inch (25 mm). …
Will this straw feeder work? - Engineering Stack Exchange
2017年8月4日 · Mechanisms like this can work, although I think in this case you would be better with one roller mounted directly under the hopper. As it is the two cutouts don't line up untill …
Newest 'robotics' Questions - Engineering Stack Exchange
2017年5月22日 · Q&A for professionals and students of engineering
deformable object squeezing - Engineering Stack Exchange
2021年1月21日 · I have the problem following. There is a deformable sphere with radius r. It goes inside a constriction channel with d*d cross section. Assuming that the sphere volume is …