Asymmetric cast-rolling of 1050 aluminum alloy strip under multi-energy field
Technological parameters of asymmetric cast-rolling under multi-energy field were investigated on horizontal twin roll caster (d400 mm×500 mm), and their effects on structures and properties of 1050 strips were analyzed by comparing with traditional cast-rolling. Results show that when length of cas...
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Published in | Transactions of Nonferrous Metals Society of China Vol. 24; no. 9; pp. 2815 - 2823 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Elsevier Ltd
01.09.2014
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Subjects | |
Online Access | Get full text |
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Summary: | Technological parameters of asymmetric cast-rolling under multi-energy field were investigated on horizontal twin roll caster (d400 mm×500 mm), and their effects on structures and properties of 1050 strips were analyzed by comparing with traditional cast-rolling. Results show that when length of cast-rolling area is 70 mm, melt temperature of head box is 670 °C, cast rolling speed is 1.3 m/min, exciting current is 10 A, center frequency is (13±1) Hz, ultrasonic power is 200 W and ultrasonic frequency is (20±0.2) kHz, the 1050 strip with the best microstructure can be prepared successfully; its center segregated layer disappears; the average grain size is reduced by about 40%; the crystal grains are distributed evenly; micro segregation decreases obviously; the precipitated phases are distributed along the grain boundaries evenly; and the tensile strength, yield strength, elongation and micro-hardness of cast-rolled strip are improved by 22.6%, 23.66%, 38.75% and 9.90%, respectively. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 1003-6326 |
DOI: | 10.1016/S1003-6326(14)63413-0 |