查询词典 aluminide

Simple aluminide coating was damaged completely and lost its protective effect.

目前高温防护涂层主要分为三类，扩散型铝化物涂层、MCrAlY 型包覆涂层和热障涂层[1]。

The stablity of second phases in iron aluminide matrices is analyzed based on the thermodynamic data of binary alloy, which offers the possibility to fortell the chemical reaction in the composite system, and shows that Al〓O〓 is most stable in Fe〓Al matrices.

复合材料强韧化是Fe〓Al合金发展的方向，利用二元化合物热力学数据，提出预测第二相稳定性的计算方法，认为Fe〓Al基合金中，Al〓O〓是最稳定的第二相。

Based on progress and tendency of high-temperature coating recently, Evolution and character of high-temperature coatings on aluminide, McrAlX and thermal barrier coating was commented, as well, progress and tendency of their structure.

该文在综合高温涂层的发展历程和研究、应用现状的基础上，简单评述了铝化物、McrAlX、热障涂层各自的发展及性能特点，以及这些涂层结构的研究发展状况；讨论了活性元素、晶界效应和涂层结构对高温涂层性能的影响机制；介绍了几种常用制备方法：扩散渗镀、PS、EB-PVD、磁控溅射的特点和应用情况。

NiAl aluminide intermetallic compound (.beta.-NiAl) has high strength and good oxidation resistance than Ni-base alloy. However, for the .beta.-NiAl used in high temperature, the oxide scale is gradually formed on the surface of .beta.

NiAl介金属化合物比起其他Ni基超合金具有高强度及较佳的抗氧化性等的优点，但NiAl在较高温度下使用时其表面会有氧化膜的产生及氧化膜剥落的情形。

NiAl aluminide intermetallic compound (.beta.-NiAl) has high strength and good oxidation resistance than Ni-base alloy. However, for the .beta.-NiAl used in high temperature, the oxide scale is gradually formed on the surface of .beta.

中文摘要 NiAl介金属化合物比起其他Ni基超合金具有高强度及较佳的抗氧化性等的优点，但NiAl在较高温度下使用时其表面会有氧化膜的产生及氧化膜剥落的情形。

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。

Because there are many kinds of matrixes in titanium matrix composite, we select some typical ones as investigated subject in many titanium alloys or titanium aluminide intermetallics, and then simulate the distribution of thermal residual stresses under the appropriate composites fabrication and heat treatment parameter. We not only hope to seek better titanium matrix, but also discover the relationship between the material properties and the thermal residual stresses, and then provide some theoretical guidance for the selection of the matrix in titanium matrix composites.

鉴于当前钛基复合材料中钛基体的多样性，我们将在各种类型的钛合金和钛铝金属间化合物中，挑选出较为典型的作为研究对象，利用本文得到的较为理想的复合材料加工和热处理工艺参数，逐一模拟它们的残余热应力，找到残余热应力分布较为理想的钛基体，并且，希望能够寻找到材料性能与热残余应力的相互关系，为钛基复合材料基体的选择提供一定的理论指导。

Aluminum oxide;Nickel aluminide;Functional gradient composite material;Oxidation resistance;Hydrothermal method;Hydrothermal anodic oxidation

中文关键字氧化铝；镍铝介金属；功能梯度复合材料；抗氧化性；水热法；水热阳极氧化法

Ion implantation of 3×10〓/cm〓 Y can slightly shorten the initiation stage, but has no obvious effects on the long period hot corrosion behavior of alloy M41. After corroded for 100 hours at 900 ℃, the gas aluminide coating of alloy M41 didn't initiate accelerated hot corrosion, but the coating has been seriously destroyed.

表面注入剂量为3×10〓／cm〓的Y略微缩短M41合金热腐蚀的孕育期，但对长时间的热腐蚀影响不大。M41合金气相渗铝涂层热腐蚀100h后，没出现加速热腐蚀，但涂层破坏严重。

TiAl ; cyclic oxidation ; surface modification ; aluminide coating ; pack cementation

TiAl ；循环氧化；表面改性；铝化物涂层；包埋渗

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。