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  2. Hardness comparison - Wikipedia

    en.wikipedia.org/wiki/Hardness_comparison

    ISO 18265: "Metallic materials — Conversion of hardness values" (2013) ASTM E140-12B(2019)e1: "Standard Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness" (2019)

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

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

    This page was last edited on 16 November 2024, at 12:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. Cooper Spur ski area - Wikipedia

    en.wikipedia.org/wiki/Cooper_Spur_ski_area

    Cooper Spur ski area is a ski area located on northeast Mount Hood, Oregon, United States. The resort has one double chair ski lift serving ten runs , and a vertical drop of 110 meters (350 ft). There are 6.5 kilometres (4.0 mi) of cross-country skiing trails. [ 1 ]

  5. High-voltage cable - Wikipedia

    en.wikipedia.org/wiki/High-voltage_cable

    High voltage is defined as any voltage over 1000 volts. [3] Those of 2 to 33 kV are usually called medium voltage cables, those over 50 kV high voltage cables.. Modern HV cables have a simple design consisting of a few parts: the conductor, the conductor shield, the insulation, the insulation shield, the metallic shield, and the jacket.

  6. Submarine power cable - Wikipedia

    en.wikipedia.org/wiki/Submarine_power_cable

    The conductor is made from copper or aluminum wires, the latter material having a small but increasing market share. Conductor sizes ≤ 1200 mm 2 are most common, but sizes ≥ 2400 mm 2 have been made occasionally.

  7. Ultra-high vacuum - Wikipedia

    en.wikipedia.org/wiki/Ultra-high_vacuum

    Lead: Soldering is performed using lead-free solder. Occasionally pure lead is used as a gasket material between flat surfaces in lieu of a copper/knife edge system. Indium: Indium is sometimes used as a deformable gasket material for vacuum seals, especially in cryogenic apparatus, but its low melting point prevents use in baked systems. In a ...

  8. Aerial bundled cable - Wikipedia

    en.wikipedia.org/wiki/Aerial_bundled_cable

    In the Dandenong Ranges area Victoria 2014. Medium voltage (11-22 kV) ABC is being replaced with underground cable due to high failure rates of HV ABC, with life expectancy of just 10 years, when original life was expected to be approx 30 years. Due to degraded cable, cost of repairs & maintenance and bushfire risk.

  9. List of thermal conductivities - Wikipedia

    en.wikipedia.org/wiki/List_of_thermal_conductivities

    Some more recent measurements about ecolgite at high pressures and elevated temperatures (up to 14GPa and 1000K) have been reported by Chao Wang and others in a 2014 article about omphacite, jadeite and diopside which is free on the internet [71] Ethylene glycol: TPRC 0.2549 0.2563 0.2576 0.2590 0.2603 0.2616 0.2630 0.2643 List [32] CRC 0.2645 ...