Effect of Magnesium Content on Machinability of Cu-Zn-Bi-Sb Alloy
| Autor: | Nan Zhou, Kai Hong Zheng, Chun Lei Gan, Hai Yan Wang |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
Materials science
Magnesium Mechanical Engineering Machinability Alloy Metallurgy Intermetallic chemistry.chemical_element engineering.material Condensed Matter Physics Microstructure Brass chemistry Mechanics of Materials visual_art engineering visual_art.visual_art_medium General Materials Science |
| Zdroj: | Materials Science Forum. 850:544-548 |
| ISSN: | 1662-9752 |
| DOI: | 10.4028/www.scientific.net/msf.850.544 |
| Popis: | In order to develop high-performance lead-free brasses, the effect of magnesium content on the machinability of lead-free brass alloys was carefully studied in the present work. The ingots of the Cu-Zn-Bi-Sb alloy were fabricated in terms of different magnesium contents of 1.0, 2.0, 3.0 and 4.0 wt%. The difference in the machinability of the Cu-Zn-Bi-Sb alloy ingots was discussed in terms of their microstructure, mechanical properties and chip morphologies. X-ray diffraction analysis indicated that α phase (0~38 Zn by atom %), β phase (45~49 Zn by atom %), CuMgSb and CuMgZn existed in the Cu-Zn-Bi-Sb alloys with the different magnesium contents. With increasing the content of magnesium, the machinability of the present lead-free brass alloys was markedly improved, which is mainly attributed to the formation of intermetallic compounds such as CuMgSb and CuMgZn. |
| Databáze: | OpenAIRE |
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