What is bronze?
Time：2016-06-02 18:51:04 Source：江西保太集團(tuán)-江西保太有色金屬集團(tuán)有限公司 View Rate：11354
Summary：
Bronze is the earliest alloy used in history. It originally refers to copper-tin alloy. Because it is blue-gray, it is called bronze. In order to improve the process performance and mechanical properties of the alloy, most of the alloying elements such as lead, zinc and phosphorus are added to the bronze. Since tin is a scarce element, many tin-free tin-free bronzes are used in the industry, which are not only inexpensive but also have the special properties required. Wuxi bronze mainly includes aluminum bronze, beryllium bronze, manganese bronze, and silicon bronze. There are also ternary or quaternary bronzes with more complex ingredients. Copper alloys other than brass and white copper (copper-nickel alloy) are now called bronze.
Tin bronze has high mechanical properties, good corrosion resistance, friction reduction and good casting properties; low sensitivity to overheating and gas, good welding performance, no ferromagnetism, and low shrinkage coefficient. Tin bronze is more resistant to corrosion in the atmosphere, sea water, fresh water and steam than brass. Aluminum bronze has higher mechanical properties than tin bronze, wear resistance, corrosion resistance, cold resistance, heat resistance, no ferromagnetism, good fluidity, no segregation tendency, and can obtain dense castings. The addition of elements such as iron, nickel and manganese to aluminum bronze further improves the various properties of the alloy.
Bronze is also divided into two major categories of pressure processing and casting products.
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