医用X射线管旋转阳极过渡层材料及其组成的研究.pdfVIP

学兔兔 第25卷 第6期 粉宋；兰}金工业 Vo1．25，No．6，p36·39 2015年 12月 POW DER METALLURGY INDUSTRY Dec．2015 DOI：10．13228／j．boyuan．issn1006—6543 医用X射线管旋转阳极过渡层材料及其组成的研究 肖李鹏，吕建刚 (中国工程物理研究院机械制造工艺研究所，四川绵阳621900) 摘 要：传统的x射线管旋转阳极是采用CVD法生产，原材料利用率低，产品性能差。采用粉末冶金法可以 大幅度提升产品性能，但是由于钨钼粉末压制性能差异极大，导致钨钼结合强度不高，在压制烧结甚至在装管 后使用的过程中都有钨铝分层的现象发生。研究了如何采用合适的过渡层材料，提升钨钼的结合强度，以提 高射线管的工作性能。 关键词：过渡层；压制性能；压坯强度；结合强度 文献标志码：A 文章编号：1006．6543．(2015)06．0036．04 Research of transition layer materials and its constitution used for medical X—ray tube rotating—anode target XIAO Li—peng，LU Jian—gang (Institute ofMachinery Manufacturing Technology,ChinaAcademy ofEngineering Physics，Mianyang 621900， China) Abstract：The conventional X--ray tube rotming-·anode target is usually produced by CVD technology,in which the utilization rate of raw materials is less and the product performance is poor Although the product perform ance can be greatly improved by powder metallurgy method，the great difference in compaction properties between tungsten powder and molybdenum powder results in a bad bonding s~ength，and leads subsequently to separate layers be— tween tungsten and molybdenum during pressing，sintering and even X—ray working．A transition layer was used to increase the bonding strength between tungsten and molybdenum，thus improve the working performance of X·ray tube． Key words：transition layer；compaction property；green strength；bonding strength 医用X射线管旋转阳极(钼基钨靶