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6082铝合金CCT图的测定及应用李红英1,赵延阔1,唐宜2,王晓峰1(1.湖南省长沙市中南大学材料科学与工程学院2.三一重工股份有限公司 泵送研究院,长沙 410100)摘 要:采用动态电阻法测得6082铝合金连续冷却过程的电阻-温度曲线,根据曲线斜率变化判断相变点及临界冷却速率,绘制出该合金的连续冷却转变曲线(CCT图),通过TEM对组织转变的观察验证了所测CCT图,模拟实际生产条件对CCT图进行应用研究.结果表明,动态电阻法测得的CCT图是可信的;随着冷却速率的增加,相变开始温度先降低,在达到某冷却速率时......
=473 K)或针状β′相(T=523 K)的影响.模型预测结果与实验结果吻合良好,验证了模型的有效性. 关键词: Al-Mg-Si合金；多重析出；电导率 中图分类号:TG249.9 文献标志码:A Effects of multiple precipitates on electrical conductivity of aged Al-Mg... & Engineering, Xi’an Jiaotong University, Xi’an 710049, China; 2. State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: The electrical......
Article ID: 1003-6326(2005)02-0229-04 Effects of B2O3-SiO2 doping on electrical properties of Ba0.65Sr0.35TiO3 ceramics ZHANG Tian-jin(章天金), JIANG Juan(江 娟), ZHANG Bai-shun(张柏顺), GU Hao... analysis the resistance and the relaxation time of the grain and the grain boundary can be calculated. Comparing the P-E hysteresis loop of undoped Ba0.65Sr0.35TiO3 ceramics with that of B2O3-SiO2 doped......
transmission poses higher requirement on the thermal stability of electrical conductor wires. Dilute Al-Sc-Zr alloys are considered as promising candidates due to the excellent heat resistance and high...Enhancement of strength and electrical conductivity for a dilute Al-Sc-Zr alloy via heat treatments and cold drawingLi Liu,Jian-Tang Jiang,Bo Zhang,Wen-Zhu Shao,Liang Zhen摘 要: J. Cent. South Univ. Technol. (2009) 16: 0025-0031
DOI: 10.1007/s11771-009-0004-8 High temperature plastic deformation behavior of non-oriented electrical steel
来源： 《中南大学学报(英文版)2009年第1期》——肖于德 李敏 王伟 周娟 吴光亮 彭跃明
中低牌号无取向电工钢轧制工艺研究李正荣1,李军1,刘勇2,罗击2,李卫平2,叶晓瑜-1(1.四川省攀枝花市攀钢集团研究院有限公司材料研究所2.攀钢集团热轧板厂,四川攀枝花 617000)摘 要:热轧轧制工艺对产品性能和轧制稳定性影响很大,对中低牌号无取向电工钢,当在两相区轧制时,热轧塑性明显降低,板形变坏,易出现边裂等情况.以50W1000为例,通过对其变形抗力进行研究,得出把两相区控制在F4与F5之间为最佳轧制工艺的结论.在此基础上制定了一套较为合理的热轧工艺制度.采用新的轧制工艺后,50W1000热轧精轧的......
process, despite using the same metals. The Ag/Ni metallization layer using foil Ni acted as an effective diffusion barrier and minimized electrical contact resistance(2.3 × 10-4 Ω cm2). A power loss...Electrical characteristics and detailed interfacial structures of Ag/Ni metallization on polycrystalline thermoelectric SnSeYeongseon Kim1,2,Younghwan Jin3,Giwan Yoon2,In Chung4,Hana Yoon1,Chung-Yul......
Effect of Rare Earth Element Ce on Microstructure and Properties of Aluminum Rod for Electrical Purpose Gao Xizhu1,Li Pengfei2,Wang Zaiyun1,Wang Yunli1 (1.Baotou Aluminum Co. Ltd, Baotou 014046, China;2.Inner Mongolia University of Technology, Huhhot 010062, China) Abstract:The effect of rare earth element Ce on microstructure, electrical conductivity and mechanical properties......
="ChDivSummary"><正>The changes of electrical conductivity(resistance) between Sn-3.0Ag-0.5Cu solder joints and printed circuit board(PCB) assembly during aging at 125℃were investigated by the four-point...Electrical conductivity changes of bulk tin and Sn-3.0Ag-0.5Cu in bulk and in joints during isothermal agingBin Liu~(1,2)) and Fu Guo~(2)) 1) Institute of Building Environment and Energy Efficiency......
Electrical and Corrosion Properties of Titanium Aluminum Nitride Thin Films Prepared by Plasma-Enhanced Atomic Layer DepositionEun-Young Yun1,Woo-Jae Lee1,Qi Min Wang2,Se-Hun Kwon11. School..., was used to prepare TiAlN films with a chemical composition of Ti0.25Al0.25N0.50. The addition of AlN to TiN resulted in an increased electrical resistivity of TiAlN films of 2800 μΩ cm, compared......
