CAJ | 학술논문

采用金相显微镜、涡流导电仪、拉伸试验机和扫描电镜研究连铸连轧过程中6201电工铝合金显微组织、导电性能和力学性能的演变规律。结果表明，随着连铸连轧道次的增加，6201铝合金显微组织晶粒被细化，电导率降低，抗拉强度提高，伸长率降低。经过15道次连续轧制后，6201铝合金电工圆铝杆的电导率为51.4％ IACS ，抗拉强度和伸长率分别为211 M Pa和14.2％，与6201铝合金连铸坯相比，其电导率下降了2.65％，抗拉强度提高了12.83％，伸长率下降了7.19％。
채용금상현미경、와류도전의、랍신시험궤화소묘전경연구련주련알과정중6201전공려합금현미조직、도전성능화역학성능적연변규률。결과표명，수착련주련알도차적증가，6201려합금현미조직정립피세화，전도솔강저，항랍강도제고，신장솔강저。경과15도차련속알제후，6201려합금전공원려간적전도솔위51.4％ IACS ，항랍강도화신장솔분별위211 M Pa화14.2％，여6201려합금련주배상비，기전도솔하강료2.65％，항랍강도제고료12.83％，신장솔하강료7.19％。
The evolution of microstructure and properties of 6201 electrical aluminum alloy during continuous casting and rolling was studied by optical microscopy ,eddy current conductive instrument ,tensile testing machine and scanning electrical microsco‐py .The results show that with the increase of deformation passes during continuous casting and rolling ,the grains of 6201 alumi‐num alloy are refined ,the electrical conductivity is decreased ,the tensile strength is improved and the elongation is decreased gradually .The electrical conductivity of 6201 electrical aluminum rod is 51.4% IACS ,the tensile strength and elongation are 211MPa and 14.2% ,respectively .The electrical conductivity is decreased by 2.65 % ,the tensile strength is increased by 12.83% and the elongation is decreased by 7.19% compared with those of continuous casting 6201 aluminum alloy billets .