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I have a 6" x 6" x 1/4" piece of carbon filled teflon that is slightly curved (I think it must have come off an roll of enormous diameter) that I need to flatten. The carbon fill is carbon black, not …

RTV silicone can be used (and is kind of the go to for electronics) but costs more than super glue (sometimes much more) and has a much longer cure time. However, it is also thicker so can be applied …

Stainless steel is not the greatest heat conductor so you might actually want to weld on be a reason to weld on a tip of a different material (i.e. solid copper but stainless plated). Another alternat …

I imagine you could just cut it in half and look at the boundary under a microscope or loupe. Compare against a known sample that is hot-dipped and one that was cold-dipped. I imagine it should be fai …

No. If silicone conformal coatings are anything to go by, they are not rated for submersion. One of the reasons you don't want air pockets on a silicone conformal coating is that water will collect th …

Glass is not a good insulator. A pane of glass is a bad insulator. You can easily feel how cold a simple pane of glass gets on a winter day such as the windows on a car. The glass used in in fibrous g …

Nothing fancy. Just mild steel. Assuming you go with at least 1"/25mm diameter for ergonomic purposes, go with a wall thickness of 3/16"/5mm which already should be overkill. At 6ft/2m long and 1"/25m …

For harder or stronger materials you want a soft binder so the wheel wears away quickly so that it constantly exposes fresh cutting grit. … A harder binder is used for cutting lower tensile strength materials since the grit dulls more slowly so you don't need toe expose fresh grit as quickly. …

Ductility specifically refers to the condition of yielding (i.e. permanent deformation). Whereas stiffness does not necessarily refer to yield and may refer to elastic deformation. Something that is s …

Use an expanding mandrel, but you probably can't make one). What you could make is what you would describe as conical shaft collars. It grips, is self-centering, and handles variation in bobbin hole d …

Have you heard of double shot moulding? In this process, the white is a separate molding that is actually embedded behind the black key. This would not show wear and might narrow down your material ch …

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4924890/ indicates that at least some methods used are: Chemical etching or oxidation and at the same time states that for 6, 20, 60, and 200 μm. CNC diam …

This metric of how much material is positioned away from the bending axis is called the second moment of inertia and is used in with the strength of materials numbers in the strength calculation. …

It is stated here that you get about 1mm of tire wear every 3600 miles. https://www.blackcircles.com/helpcentre/tyres/how-many-miles-per-1mm-of-tread-depth You're unlikely to find any coating more dur …

I believe it has less to do with strength and more to do with stiffness. A rod of aluminum of the same length and weight as a a steel rod will be just as strong (force required to break) but have thre …