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Bronze
Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloids (such as arsenic or silicon). These additions produce a range of alloys some of which are harder than copper alone or have other useful properties, such as strength, ductility, or machinability.
The archaeological period during which bronze was the hardest metal in widespread use is known as the Bronze Age. The beginning of the Bronze Age in western Eurasia is conventionally dated to the mid-4th millennium BCE (~3500 BCE), and to the early 2nd millennium BCE in China; elsewhere it gradually spread across regions. The Bronze Age was followed by the Iron Age, which started about 1300 BCE and reached most of Eurasia by about 500 BCE, although bronze continued to be much more widely used than it is in modern times.
Because historical artworks were often made of bronzes and brasses (alloys of copper and zinc) of different metallic compositions, modern museum and scholarly descriptions of older artworks increasingly use the generalized term "copper alloy" instead of the names of individual alloys. This is done (at least in part) to prevent database searches from failing merely because of errors or disagreements in the naming of historic copper alloys.
The word bronze (1730–1740) is borrowed from Middle French bronze (1511), itself borrowed from Italian bronzo 'bell metal, brass' (13th century, transcribed in Medieval Latin as bronzium) from either:
A Dictionary of the English Language (1746) offers: "a composition of copper and tin makes bell metal; and copper and brass; melted in equal quantities, produces what the French call bronze, used for figures and statues. Chambers".
Webster's Dictionary (1828) offers: "Tin united with copper in different proportions, forms bronze, bell metal, and speculum-metal. D.Olmsted"
Chambers Dictionary (1872) offers: "Bronze, bronz, n. an alloy of copper and tin, of a brown or burned colour ;"
The discovery of bronze enabled people to create metal objects that were harder and more durable than had previously been possible. Bronze tools, weapons, armor, and building materials such as decorative tiles were harder and more durable than their stone and copper ("Chalcolithic") predecessors.
Bronze
Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloids (such as arsenic or silicon). These additions produce a range of alloys some of which are harder than copper alone or have other useful properties, such as strength, ductility, or machinability.
The archaeological period during which bronze was the hardest metal in widespread use is known as the Bronze Age. The beginning of the Bronze Age in western Eurasia is conventionally dated to the mid-4th millennium BCE (~3500 BCE), and to the early 2nd millennium BCE in China; elsewhere it gradually spread across regions. The Bronze Age was followed by the Iron Age, which started about 1300 BCE and reached most of Eurasia by about 500 BCE, although bronze continued to be much more widely used than it is in modern times.
Because historical artworks were often made of bronzes and brasses (alloys of copper and zinc) of different metallic compositions, modern museum and scholarly descriptions of older artworks increasingly use the generalized term "copper alloy" instead of the names of individual alloys. This is done (at least in part) to prevent database searches from failing merely because of errors or disagreements in the naming of historic copper alloys.
The word bronze (1730–1740) is borrowed from Middle French bronze (1511), itself borrowed from Italian bronzo 'bell metal, brass' (13th century, transcribed in Medieval Latin as bronzium) from either:
A Dictionary of the English Language (1746) offers: "a composition of copper and tin makes bell metal; and copper and brass; melted in equal quantities, produces what the French call bronze, used for figures and statues. Chambers".
Webster's Dictionary (1828) offers: "Tin united with copper in different proportions, forms bronze, bell metal, and speculum-metal. D.Olmsted"
Chambers Dictionary (1872) offers: "Bronze, bronz, n. an alloy of copper and tin, of a brown or burned colour ;"
The discovery of bronze enabled people to create metal objects that were harder and more durable than had previously been possible. Bronze tools, weapons, armor, and building materials such as decorative tiles were harder and more durable than their stone and copper ("Chalcolithic") predecessors.
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