논문 상세보기
pp.511-518
An investigation is performed to clarify the manufacturing conditions of pure magnesium and AZ31 magnesium alloy thin plate using the melt drag method. By the melt drag method, suitable for magnesium molten metal, pure magnesium can be produced as a continuous thin plate with a thickness of 1.4 mm to 2.4 mm in the range of 5 m/min to 20 m/min of roll speed, and the width of the thin plate to the nozzle outlet width. AZ31 magnesium alloy is able to produce a continuous sheet of thickness in the range of 5 m/min to 30 m/min in roll circumferential speed, with a thickness of 0.6 mm to 1.6 mm and a width of the sheet matching the nozzle outlet width. In the magnesium melt drag method, the faster the circumferential speed of the roll, the shorter the contact time between the molten metal and the roll, and it is found that the thickness of the produced thin plate becomes thinner. The effect of the circumferential roll speed on the thickness of the thin plate is evident in the low roll circumferential region, where the circumferential speed is 30 m/min or less. The AZ31 thin plate manufactured by the melt drag method has a finer grain size as the thickness of the thin plate decreases, but it is currently judged that this is not the effect of cooling by the roll.
1.서 론
2. 실험 방법
2.1. 실험장치와 용해방법
2.2. 실험 장치
2.3. 보호 가스
2.4. 실험 진행
3. 결과 및 고찰
3.1. 용탕온도와 롤 직전의 용탕온도(순수 마그네슘)
3.2. 롤 속도와 박판두께 (순수 마그네슘)
3.3. 롤 속도와 박판두께(AZ31 마그네슘 합금)
3.4. 단면조직 관찰(AZ31 마그네슘 합금)
4.결 론
References
