摘要
利用大功率电子束物理气相沉积（EB-PVD）技术制备了Ti和Ti-48at%Al交替蒸发沉积形成的金属/金属间化合物型多层材料薄箔。研究了靶基距、微观结构参数及试样在制备材料的选取位置对其性能的影响,考察了Ti/Ti-Al微叠层材料在不同温度下的拉伸性能,结果表明材料的室温脆性得到了明显改善,高温下由于金属间化合物层的反常强化作用,使材料在500～800℃之间的性能较为理想。
A multi-layered metal/intermetallic thin sheet consisting of Ti and Ti-48at% Al has been prepared using a high powerful electron beam physical vapor depositing technology. The effects of target-substrate distance, microstructural parameters and the selecting position of samples on the mechanical properties were explored. Then the tensile properties of Ti/Ti-Al microlaminates at different temperature was studied and evaluated. The test results shows that the room-temperature brittleness have been improved and the properties at the range of 500 ～ 800℃ are favourable by the abnormal strengthening effect of intermetallic layers.
出处
《航空材料学报》
EI
CAS
CSCD
2008年第1期5-8,共4页
Journal of Aeronautical Materials
基金
新世纪优秀人才支持计划资助项目(NCET2004)
