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  2. Tin - Wikipedia

    en.wikipedia.org/wiki/Tin

    Tin is a post-transition metal in group 14 of the periodic table of elements. It is obtained chiefly from the mineral cassiterite, which contains stannic oxide, SnO 2. Tin shows a chemical similarity to both of its neighbors in group 14, germanium and lead, and has two main oxidation states, +2 and the slightly more stable

  3. Titanium nitride - Wikipedia

    en.wikipedia.org/wiki/Titanium_nitride

    Titanium nitride (TiN; sometimes known as tinite) is an extremely hard ceramic material, often used as a physical vapor deposition (PVD) coating on titanium alloys, steel, carbide, and aluminium components to improve the substrate's surface properties.

  4. Tin sources and trade during antiquity - Wikipedia

    en.wikipedia.org/wiki/Tin_sources_and_trade...

    Tin is an essential metal in the creation of tin-bronzes, and its acquisition was an important part of ancient cultures from the Bronze Age onward. Its use began in the Middle East and the Balkans around 3000 BC.

  5. Coinage metals - Wikipedia

    en.wikipedia.org/wiki/Coinage_metals

    Tin: Portuguese Malacca 1521–1557 bastardo; Malaysia tin hat money; Great Britain farthing and halfpenny 1684–1692; Thailand satangs from the 1940s. Zinc: Twelfth century Indian coins were made of zinc. Vietnamese cash coins of the 1800s were made of zinc, as was the Vietnamese Tonkin 1/600 piastre of 1905.

  6. Tin mining - Wikipedia

    en.wikipedia.org/wiki/Tin_mining

    Tin foil was once a common wrapping material for foods and drugs; replaced in the early 20th century by the use of aluminium foil, which is now commonly referred to as tin foil, hence one use of the slang term "tinnie" or "tinny" for a small aluminium open boat, a small pipe for use of a drug such as cannabis, or for a can of beer. Today, the ...

  7. Titanium - Wikipedia

    en.wikipedia.org/wiki/Titanium

    Titanium nitride (TiN) is a refractory solid exhibiting extreme hardness, thermal/electrical conductivity, and a high melting point. [46] TiN has a hardness equivalent to sapphire and carborundum (9.0 on the Mohs scale ), [ 47 ] and is often used to coat cutting tools, such as drill bits . [ 48 ]

  8. After squandering NYC’s trust, Anthony Weiner is determined ...

    www.aol.com/squandering-nyc-trust-anthony-weiner...

    I was really good at my job.” Anthony Weiner and The Post’s Kirsten Fleming talked about his potential political comeback at Cozy Soup and Burger. Paul Martinka

  9. Titanium alloys - Wikipedia

    en.wikipedia.org/wiki/Titanium_alloys

    contains 5% aluminium and 2.5% tin. It is also known as Ti-5Al-2.5Sn. This alloy is used in airframes and jet engines due to its good weldability, stability and strength at elevated temperatures. [27] Rail cross-section was used to advertise Titanium alloy as early as 1913 Grade 7 contains 0.12 to 0.25% palladium. This grade is similar to Grade 2.