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(Creata pagina con "A "gold" nib, however, cannot be entirely composed of gold (ie 24 carats), as mentioned this material is extremely malleable, <ref name = malleable gold>malleable (see [http:/...") |
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− | A "gold" nib, however, cannot be entirely composed of gold (ie 24 carats), as mentioned this material is extremely malleable, <ref name = | + | A "gold" nib, however, cannot be entirely composed of gold (ie 24 carats), as mentioned this material is extremely malleable, <ref name=malleabilita_oro>malleable (see [http://it.wikipedia.org/wiki/Malleabilit%C3%A0]) is meaning a very soft material, easy to deform without losing its mechanical properties, in essence the exact opposite of strength and flexibility, gold is one of the most malleable materials that exist.</ref> so it is generally strengthened by mixing it as with other metals to obtain 14 carat alloys, which are the most common, or 18 carat, used to give greater value to the pen, but generally less robust. The ancient pens are however for the most part equipped with 14 carat gold nibs, the 18 carats have been introduced only where, as in France, an object with a lower carat could not be qualified as gold for legal reasons. |
Versione delle 01:01, 17 dic 2018
A "gold" nib, however, cannot be entirely composed of gold (ie 24 carats), as mentioned this material is extremely malleable, [1] so it is generally strengthened by mixing it as with other metals to obtain 14 carat alloys, which are the most common, or 18 carat, used to give greater value to the pen, but generally less robust. The ancient pens are however for the most part equipped with 14 carat gold nibs, the 18 carats have been introduced only where, as in France, an object with a lower carat could not be qualified as gold for legal reasons.