摘要
为了制造效率更高,输出功率更大,同时散热更少的飞机引擎,需要燃料的燃烧温度也越来越高,因此航空发动机的生产商和涡轮发动机的制造者对材料和部件提出了新的要求。在较高的温度时,为了维持材料的机械性能和提高合金部件的控制能力,需要继续改进原有的高温合金或者开发新一代高温合金,同时制造者也在建立更加严格的规格界限和质量控制规程。本文主要描述具有高流速离子源的辉光放电质谱仪,这种仪器的分析速度快,灵敏度高,非常适合于高温合金的分析。仪器除了可以做搜索分析和基材的杂质元素含量的检测之外,其直接进样的方法可以更好地检测出各种元素在产品高温受热之后的分布情况,以及痕量元素在保护层和界面的纵向分布。
In pursuing the goals of greater efficiency,higher power output and reduced emissions,aircraft engine producers and manufacturers of power turbines are putting new demands on materials and components as the need pushing combustion temperatures higher and higher.Additional advancements of the well-established high temperature superalloys or developing more advanced generations is essential in order to maintain the mechanical strength of these materials while increasing the ability to operate the components made from them at higher temperatures.As these performance improvements lead to new requirements for the next generation of materials,manufacturers are establishing more strict specifications limits and quality control procedures.In this study,we demonstrate that the new generation of glow-discharge mass spectrometry instruments based on the fast-flow ion source are very valuable analytical tools for rapid and highly sensitive measurements of complex superalloys.Besides survey analysis and bulk impurity determinations,this new direct sampling approach is extremely well-suited for mapping of elemental distributions in production heats as well as for depth resolved analysis of trace elements in protective coatings and interfaces.
出处
《冶金分析》
CAS
CSCD
北大核心
2011年第11期18-23,共6页
Metallurgical Analysis
关键词
辉光放电质谱法
高温合金
搜索分析
基材的杂质
直接进样
痕量和超痕量元素
glow discharge mass spectrometry
high temperature superalloys
survey analysis
bulk impurity
direct sampling
trace and ultra-trace elements
