enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Superhard material - Wikipedia

   en.wikipedia.org/wiki/Superhard_material

   If a material contains highly directional bonds, the shear modulus will increase and give a low Poisson ratio. A material is also considered hard if it resists plastic deformation. If a material has short covalent bonds, atomic dislocations that lead to plastic deformation are less likely to occur than in materials with longer, delocalized bonds.

3. Hardnesses of the elements (data page) - Wikipedia

   en.wikipedia.org/wiki/Hardnesses_of_the_elements...

   Unsourced material may be challenged and removed. Find sources: "Hardnesses of the elements" data page – news · newspapers · books · scholar · JSTOR ( June 2022 ) ( Learn how and when to remove this message )

4. 7068 aluminium alloy - Wikipedia

   en.wikipedia.org/wiki/7068_aluminium_alloy

   7068 alloy is a 7000 series aluminium-zinc alloy registered with the US Aluminium Association and produced to AMS 4331 (chemical composition and mechanical properties) and AMS 2772 (heat treatment). 7068 alloy ‘A’ and ‘B’ tensile data and fatigue properties have been ratified for inclusion in MIL Handbook 5 / MMPDS.

5. Titanium ring - Wikipedia

   en.wikipedia.org/wiki/Titanium_ring

   Titanium rings are jewelry rings or bands which have been primarily constructed from titanium. The actual compositions of titanium can vary, such as "commercial pure" (99.2% titanium) or "aircraft grade" (primarily, 90% titanium, 6% aluminum, 4% vanadium), and titanium rings are often crafted in combination with other materials, such as gemstones and traditional jewelry metals.

6. Jewellery - Wikipedia

   en.wikipedia.org/wiki/Jewellery

   Conversely, the jewellery industry in the early 20th century launched a campaign to popularise wedding rings for men, which caught on, as well as engagement rings for men, which did not, go so far as to create a false history and claim that the practice had medieval roots. By the mid-1940s, 85% of weddings in the U.S. featured a double-ring ...

7. Nature's strongest material comes from sea snails - AOL

   www.aol.com/news/2015-02-18-natures-strongest...

   Limpet teeth have beaten out the previous record-holder for the strongest biological material found in nature: spider silk. Researchers found the limpets' teeth contain goethite, which is a hard ...