Questions tagged [materials]
Use for questions about designing, manufacturing or synthesizing engineered materials or about the properties of specific materials. Questions concerning common construction materials, such as wood, steel or masonry do not need to use this tag; use the more specific tag instead.
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Electrical Charges
I have been doing some research on different textile materials and electrical charges. If I wanted to change a negatively charged material to a positive one, would that be possible? Thinking I could ...
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Is there any elemental pieces template (blank) which together forms a corrugated box of desired size, or is there anything similar to it?
We run a corrugated box business. I have known elements in chemistry; I was thinking, whether similar to them, there are any elemental corrugated box templates (dieline; keyline) which together form a ...
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How do I electrically charge a sheet of plastic strongly enough that it firmly sticks to the wall?
electrostatic whiteboards
I have a bunch of these special dry erase sheets. Someone gave them to me as a gift about a year ago; I see they are still available for purchase on the Internet — you can ...
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How to attach plates (my design) to the stator core of the machine more efficiently and precisely?
I am working on an electrical engineering project. However, I have come across a specific mechanical engineering problem. I have attached an image to describe what I want to do. I have primarily a ...
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Determine moment and shear stress door
Determine shear stress and moment of bolt:
Internal Height of Door = 198.2 cm
Internal Width of Door = 89.9 cm
Thickness Door = 3.9 cm
Weight Door = 45.76 kg or448.9 N
Elasticity = 9.8 GPa or N/mm2
...
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Is there any special coating or paint that will strongly bond to an automobile tire's tread and can be driven on?
I would like to know if there is any special coating or special paint that can be applied to the tread of an automobile tire, strongly bonding to it, and which is strong enough and durable enough to ...
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ASTM B209 does not list Aluminium Alloy 1070
This is my first post.
We manufacture products using various grades or alloys of Aluminium sheet, one of our common alloys is 1070. In referencing the ASTM B209/209M-21a standard I do not see 1070 ...
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What kind of sensor is ideal for measuring the eccentricity of a threaded shaft?
I am supposed to come up with an eccentricity measurement system for surfaces. What kind of sensor/configuration is most ideal for such an application(in the generic sense).
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Helicoil-Screw Torque Spec
My project incorporates the use of various metals and plastics to include ABS, G10, aluminum, titanium, and brass, and we drill and helicoil all mounting screw holes. I'm having a bit of difficulty ...
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Does yield point of steel depend on thickness?
I have two different plates of different thickness and I need to calculate yield point. Does yield point of steel plate changes with changing of plate thickness?
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Electricity generation from sand particles in airstream hitting surface [closed]
I read an experiment which demonstrated that metal filings fired at a surface using air blasts charges the particles, surface and airstream. I understand this is triboelectricity, resulting from ...
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How could we aproach development of touchscreen with morphing surface or morphing keyboard?
There is this technology of braille e-readers. It is relatively simple and reliable but it never had much commercial success probably because small customer base.
In past a company called Tactus tried ...
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What is this filter from an aluminium extrusion facility filtering?
i work for a subcontractor tasked with cleaning these parts from an aluminium extrusion facility.
essentially we have tried all sorts of different methods when cleaning them and i am just trying to ...
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Why do some tensile test samples fail before the expected final elongation
We tested several 1020 steel samples during my class' lab session last semester. during the test, one of the samples failed early, breaking at a strain of around 0.3 or 0.2, while the other samples ...
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What is the best cutoff wheel material to cut titanium?
I want to thin titanium rods about 1/2in thick quickly. I've heard silicon carbide and diamond tipped masonry wheels are good. Which is better, less prone to wear/replacement, fastest cutting time?
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