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- Strength vs. Hardness vs. Toughness - Engineering Stack Exchange
Hardness is the measure of a material resistance to scratching, like it's hard to drill a hole into, or hard to sand Or diamond that can cut many surfaces but is hard to cut Toughness is the ability of material to resist cracking or breaking under stress Strength is the ability of material to withstand great tension or compression or other
- At what temperature do I risk altering the structure of steel?
The second consideration is the tempering temperature This only applies to steels which have been heat treated, generally cutting tools, dies, springs and certain other very high strength hardness parts The tempering range can vary between 180 and 300 C or up to 600C for high speed steels
- Shore durometer type D to brinells - Engineering Stack Exchange
I saw a video where a person was measuring hardness of a material with Shore durometer type D and was comparing it to steel The screen on durometer showed 96 5 HD and I was just wondering, how much
- What is the most corrosion resistant 55HRC stainless steel?
55 HRC is a very high hardness, even for steels Ideally the corrosion resistance of the steel would have to match AISI 316L or be even better Qenched stainless steel can go to 55HRC Even to 65 HRC But this is at the price of a high Carbone content Carbone react with free Chromium and makes it unavailable for corrosion resistance
- materials - Durometer and Shore - Engineering Stack Exchange
The basic method for hardness measurement is using an indender and a standard force on a material surface and then measuring either the depth or the area of the imprint However, is happening with almost all hardness scales is that you cannot obtain meaningful results for all types of materials, for a given force and a specific indender
- What is the significance of brittle materials and why do we use them?
"Hardness is the question of how difficult it is to make an impression indention on a substance Brittleness is the question of how easy it is to break For example, Granite is a stone which is very hard but not brittle--it is hard to carve and also hard to break A plank of wood is not as hard as stone but is not very brittle
- Why are the processes called Precipitation Hardening and Solid . . .
Hardness and strength commonly have a positive correlation as the mechanisms which increase a material's hardness typically also increase the material's strength Toughness typically has a negative correlation to hardness Toughness is a measure of a material's ability to resist fracture under load
- Surface Finish and Strength - Engineering Stack Exchange
Hardness, as indicated by @kamran, will generally be impacted by compressive surface finishing techniques applied, making it harder in the process Stated in @kamran's answer as well, roughening will increase hardness since most roughening methods generally apply some compressive force to steel surfaces
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