论文部分内容阅读
应用一种短流程制备技术生产Cu-2.3Fe-0.03P合金带材。合金经过在线热轧淬火以及80%变形量的冷加工后,展示了优良的再结晶抗软化性能。分别利用硬度计及双电桥法测量计算合金的硬度和电导率,利用光学显微镜和透射显微镜观察样品的显微组织。成品Cu-2.3Fe-0.03P合金的主要强化方式为加工硬化,尺寸大约为25 nm的Fe粒子起到稳定冷轧组织的作用。大变形量冷轧会使得合金电导率下降,特别是预时效的样品其电导率下降更多,其主要原因为冷轧过程中小于5 nm的微细粒子容易重新回溶到基体中。实验获得了电导率为66%IACS和硬度为HV 134的Cu-Fe-P合金。
Production of Cu-2.3Fe-0.03P Alloy Strip by a Short Process Technology. After the alloy has been hot-rolled on-line and cold-worked at 80% deformation, excellent recrystallization softening resistance has been demonstrated. The hardness and electrical conductivity of the alloy were measured and measured by durometer and double bridge method respectively. The microstructure of the sample was observed by optical microscope and transmission microscope. The main strengthening mode of the finished Cu-2.3Fe-0.03P alloy is work-hardening, and the Fe particles with the size of about 25 nm can stabilize the cold-rolled microstructure. Large deformation of the cold rolled alloy conductivity will decline, especially pre-aging samples of its conductivity decreased more than the main reason for the cold rolling process is less than 5 nm fine particles easily re-dissolved into the matrix. Experiments have been made of a Cu-Fe-P alloy with a conductivity of 66% IACS and a hardness of HV 134.