Strength vs. Hardness vs. Toughness - Engineering Stack Exchange
Feb 12, 2019 · 3 for this question: "What is the difference between strength, hardness and toughness in materials?" i have searched and have found these following definitions Strength …
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 …
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 …
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? …
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
Outline of Various Heat Treatment Processes - Engineering Stack …
Oct 10, 2021 · Your first statement is misleading or wrong; Hardness=brittleness. At the same hardness there can be a wide range of "brittleness" = lack of toughness in steels. The old …
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 …
mechanical engineering - Potential Problems of Excessively Hard …
Apr 5, 2023 · Will there be any issues if we make the shaft too hard? Hardness being a surface property may prevent surface scratches and wear, could it lead to any problems in general?
Is copper wool (rather than traditional brass wool) good for …
Feb 13, 2024 · Hardness (low-carbon steel, of steel-strand-cored metal wool) = 3 (source: google) Explanation: So long as the metal hardness of the wool or metal bristled brush that you are …