Talk:French Bronze
Latest comment: 4 years ago by Rod57 in topic This article is about two topics
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Citation requests - June 2010
editThe entire article, of course, requires references. However the lead section in particular sounds to my ear as if it is very subtly tinged with advertising, and it makes several claims which, based on basic knowledge of metallurgy, seem highly improbable. Specifically:
- That French Bronze is 99.97% pure zinc. First, there is nothing all that special about this purity. Electrolytically refined zinc (the most common type for about 90 years) is frequently much purer than that. Secondly, if this is true, it doesn't match the name or photographs. Calling something "bronze" implies a material that has some degree of coppery colouration, and the photographs show such a metal. But 99.97% pure zinc is a typical silver-grey metal. Not only not at all coppery coloured, but not especially attractive and doesn't take much of a polish.
- While there are many different types of bronze, in many countries there is a minimum percentage of copper that an alloy can contain and be legally called "bronze". France is one such country ...
- The suggestion that pure metals are stronger and more durable is complete nonsense, the exact opposite of the truth. Greater strength and durability is the main reason we use alloys! Pure zinc in fact has a Moh's hardness of only 2.5, which is very soft, softer even than pure copper. In comparison, brasses range from about Moh's hardness 4 up to 6, depending on the exact composition and hardening processes.
- I have found other references on the net -- not authoritative, unfortunately, or I would just make the change -- which suggest that French bronze is actually 95% copper with the rest a variable proportion of tin and zinc.
This article is about two topics
editThis article is about two topics : the high-copper solid bronze, and the faux-bronze coating/finish used to imitate bronze. Is the usual meaning dependent on context, time or place ? I only mention this because the two meanings make it hard to do a {{short description}} for this article. - Rod57 (talk) 18:33, 4 August 2020 (UTC)