半固态金属浆料制备技术的研究进展.pdfVIP

学兔兔 半固态金属浆料制备技术的研究进展 毛卫民 (北京科技大学铸造研究所，北京1 00083) 摘要：总结了3O余年来半固态金属浆料制备技术的研究和应用现状，分别介绍了压室浆料制 备技术、单螺旋机械搅拌浆料制备技术、双螺旋机械搅拌浆料制备技术、低过热度倾斜板浇 注浆料制备技术、低过热度浇注和弱机械搅拌浆料制备技术、连续流变转换浆料制备技术、低 过热度浇注和弱电磁搅拌浆料制备技术、蛇形通道浇注浆料制备技术、熔体分散混合浆料制备 技术、转桶搅拌浆料制备技术、波浪倾斜板浇注浆料制备技术、旋转倾斜圆筒浆料制备技术、 超声振动浆料制备技术、熔体处理和双向电磁搅拌浆料制备技术、低于液相线温度浆料制备技 术、偏旋热焓平衡浆料制备技术、气泡搅拌浆料制备技术及其发展前景。 关键词：半固态；浆料制备；合金 中图分类号：TG146．2 文献标识码：A 文章编号：1673—3320(2010)02—0001—07· An Overview Advanced Metal Slurry Preparation Technologies Mao Weimin (Foundry Institute，University of Science and Technology Beijing，Beijing 1 00083，China) Abstract：The present state of slurry preparation technologies and their application were overviewed． The semi—solid slurry preparation in injection sleeve，or by a single screw,or by two screws，the new rheocasting process，the semi—solid rheocast process，the continuous rheoconversion process，the low superheat pouring and weak electromagnetic sti~ing process，the serpentine channel pouring process，the melt spreading and mixing technique process，the rotating barrel stirring process，the wavelike sloping plate process，the low superheat pouring with a shear field process，the ultrasonic vibration process， the melt treatment and reversible electromagnetic stirring process，the sub—liquidus casting process，the swirled enthalpy equilibration device process，the gas induced semi—solid process，were described，and the main characteristics and know—how of these slurry preparation technologies were also depicted and their prospect was analyzed． Key words：semi-solid；slurry preparation；alloy 半固态金属的流变压铸是美国MIT的Flemings 变铸造工艺存在的主要问题是触变铸造生产的铸件 等早期研究的工艺，它将制备出