查询词典 superalloy

The high-temperature oxidation and degradation behavior were analyzed for the aluminide coating on Co-base superalloy , and the relationship between the oxidation and life has been deduced for the coating.

通过分析钴基超合金外扩散型铝化物涂层的高温氧化及退化行为，并采用近似方法推算，得出了这类涂层氧化和退化与时间的关系。

This study is to investigate the high temperature hot corrosion behavior of aluminide coating and platinum-aluminide coating on Ni-base superalloy MAR-M247. On the platinum-aluminide, aluminide and the base metal, respectively, by the salt spraying method.

本文研究MAR-M247镍基超合金表面经铝化涂层或白金铝化涂层处理后，其热腐蚀效应对腐蚀速率与显微组织之影响，并藉试片质量增加量的变化评估抗热腐蚀的能力。

ABSTRACT With a Ni-base single crystal superalloy, DD8, a series of SC samples solidified with various solid-liquid interface morphologies planar, cellular, dendritical cellular, coarsely dendritic and fine dendritic ctc.

选用镍基单晶高温合金DD8为研究对象，利用籽晶法控制单晶的三维晶体取向，在自制高温高梯度LMC定向凝固装置上制取不同界面形态的单晶试样，首次系。。。

The method for the physicochemical phase analysis of a directionally solidified Ni-based cast superalloy was studied.

系统研究了一种定向凝固镍基铸造高温合金的物理化学相分析方法。

Low cycle fatigue tests of a directionally solidified nickel base superalloy were conducted at elevated temperatures.

本文研究了一种定向凝固镍基高温合金的高温低周疲劳行为。

The single phase coating of coarse equiaxial grain NiAl has unfavourabie effect on fatigue life of the coating-superalloy.

结果表明：粗大等轴晶单相的NiAl层对疲劳寿命有不利的影响。

It is very detrimental to materials performance. From the viewpoint of the effects of PPB precipitation on the frature of hipped P/M Rene'95, the surface segregation and reaction in Rene'95 powder metallurgy superalloy were analyzed by modern surface techniques and by electron microscopy. The mechanisms of the formation and reduction of PPB precipitation are revealed.

本文从原始颗粒边界析出对热等静压压坯断裂的作用的角度出发，利用现代表面分析技术及电子显微分析技术研究了Rene′95雾化粉末表面的偏析、预处理粉末的表面反应和表面析出相的粗化规律以及热等静压压坯的界面反应和原始颗粒边界析出相，揭示了原始颗粒边界析出的形成机理和预处理方法改善原始颗粒边界析出的原因。

In the part of grinding surface integrity, the surface integrity of ground superalloy GH4169 such as grinding surface roughness, surface hardening, surface residual stress and metallographical microstructure have been studied.

确定了上述表面完整性指标与磨削参数之间的关系，并根据正交试验建立了磨削表面粗糙度、表面硬化和表面残余应力的经验公式。

This paper studied the grinding mechanism of this new type superalloy on the base of systematical analysis of variable characteristics of the grinding force, grinding temperature, topography of ground surface, residual stress distribution and hardness distribution of surface layer, as well as morphology of surface layer from a metallographical point.

摘 要：为解决定向凝固高温合金DZ4在磨削加工中极易发生的磨削烧伤问题，采用先进的测试方法，对磨削过程中磨削力、磨削温度、工件表面形貌、表面层残余应力分布、表面层显微硬度、表面层金相组织等变化规律进行了分析研究，揭示出该种新型高温合金材料磨削烧伤机理。

By means of optical and TEM microstructure analyses, room temperature and 900 ℃ tensile tests and X-ray diffraction phase and microchemical quantitative analyses, the structure and mechanical property changes of GH4199 superalloy after prolonged aging in the temperature range of 600℃ to 900℃ and time period of 100 h to 1000 h have been investigated.

采用金相和电镜微观组织观察、室温和高温拉伸试验、物理化学相分析等综合试验方法，对经600、700、800、900℃和100、200、500、1000h长期时效处理的GH4199合金进行测试和研究。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。