Production Process Of Atomized Bronze Powder

Production Process Of Atomized Bronze Powder

Bronze powder is an important raw material for the production and use of powder metallurgy products. Production of international industrial bronze powder began at 20 century. The production methods used at that time are restoring copper fire and electrolysis. After 1950s, there are new production methods for bronze powder: replacement precipitation and hydrometallurgy plan. Then the atomization wrinkle emerges.
In 1958, China began the trial of bronze powder ( FCu 663 ). It was about the production test of electrolytic bronze powder at that time. In the mid - 1960s, electrolytic bronze powder trial to be paying and put small formation production. The mid - 1970s, China has acknowledged a production line of the first electrolytic bronze powder. In the 1980s and 1990s, with the rapid development of China ' s national economy, the bronze powder was substantially deeper. In order to meet market demand, the number of substantial enterprises by tapping the budding of innovation and technological transformation, the bronze powder production - community. In the meantime, have obvious and developed more than l0 bronze powder manufacturers, National bronze powder production capacity of about 4000t, annual average production is about 1400t.
Alternative to electrolysis in the production of bronze powder, when the devaluation of the atomization milling form. Practice has proved that a single atomization production of bronze powder bulk density and pinched formability drawback in practical applications can not be replaced by electrolytic bronze powder. So, the use of water atomization, paired with the subsequent treatment process, approximative as redox developed to meet the environmental needs of low bulk density of bronze powder.
Industrialization atomized bronze powder production formula by gas atomization and water atomization line. Production practice proves that the production effect of water atomization gas atomization. The alike particle size and particle size composition of the water atomization and gas atomization bronze powder, the same follow - up treatment conditions, the bonfire effect and the finished product bulk density is different. Study its causes, water atomized powder particle shape irregular powder than aerosolization, and thence more valuable to speed up the coals ratio.
The inferno process has great influence on the production of high - performance and low loose density bronze powders. It is father that in holocaust process, the phlogiston time and charring temperatures have a great influence on the conflagration effect of metal powder. In individualizing, in the corresponding rapid oxidation time and embers temperature, flames is particularly affected the devouring effect. Scintillation course is divided into static and enterprising in two ways. Static phlogiston, the rapid oxidation proportion of the bronze powder is very harmonious, and liable to agglomeration; zippy coals is not, so the element effect is very good. Homologous as beneath in 5000C / 3h predication, static rapid oxidation of the bronze powder electric coals content is 7. 5 %. The bulk density is 3. 80g / cm3. Progressive inferno content of bronze powder oxygen is 18. 7 % and bulk density is 2. 32g / cm3.
AOR habit of production of bronze powder, due to the microscopic shape of irregular, low oxygen content, good formability, process performance and stability, and it could replace the electrolytic copper powder. Hurting for a higher friction material used in callous - based products and green strength copy products. Several well - known powder metallurgy and electric double enterprises have use the powders in goodly - scale. It is raise that the effect is very tip-top.
The antioxidant effect of AOR bronze powder is better than that of electrolytic copper powder. Subservient the corresponding conditions, the antioxidant effect of the AOR tactics bronze powder is 2 times than electrolytic copper powders. This is particularly important to manufacturers of diamond tools. Owing to these enterprises use a small amount bronze powder every time, since requiring a long shelf life of the powder. Source: http: / / www. mhcmp. com