Strength vs. Hardness vs. Toughness - Engineering Stack Exchange
Feb 12, 2019 · for this question: "What is the difference between strength, hardness and toughness in materials?" i have searched and have found these following definitions Strength …
At what temperature do I risk altering the structure of steel?
If I have structural or tool steel that has been treated to some standard (ASTM, SAE, ISO -- e.g., for hardness) but I don't know the details of the treatment, is there a "safe" temperature below …
mechanical engineering - How do I determine what hardness to …
Jan 14, 2020 · The steel tire could easily be any hardness you want. It would be poor judgement to mess with the rolling element bearing hardness. The heat-treatment has been developed …
Shore durometer type D to brinells - Engineering Stack Exchange
Sep 9, 2020 · 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 …
What is the significance of brittle materials and why do we use …
Apr 6, 2022 · We have studied that cast iron which is a brittle material is used in automobile cylinder block, head, housing flywheel etc. If it is a brittle material then why it is used there? …
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. …
materials - Durometer and Shore - Engineering Stack Exchange
Sep 9, 2020 · Can someone help me understand durometer and shore hardness testing with relation to rubber hardness? My understanding is durometer measures hardness, shore is a …
Difference between Stiffness (K) and Modulus of Elasticity (E)?
Dec 30, 2021 · In Solid Mechanics, We can relate these K=AE/L. I am confused in these. Both resist deformations when load is applied on it. Is K constant like E is constant. Another thing …
How do you plot a relation between hardness and strain
Dec 13, 2022 · How do I plot the relation between hardness of a material and compressive strain knowing the stress-strain curve and indentation size in Brinell's hardness test
mechanical engineering - Not a good idea to rub two of the same ...
Feb 1, 2016 · I've read that it's not a good idea to rub two surfaces of the same material against each other, e.g., plastic against plastic, metal against metal. Plastic against metal is preferred. …