查询词典 aluminide

The results show that the high temperature oxidation and sulfuration resistance of samples with aluminide coatings are improved remarkably.

结果表明，沉积铝化物微晶涂层后Q235钢的抗氧化和硫化性能均大幅度提高。

The samples with aluminide coatings for oxidation were put in air at 600 ℃ for 200 h, and those for sulfuration were put in flowing 99.98% SO2 at 600℃ for 50 h, and then SEM, EDS and XRD analyses were performed to understand the oxidation and sulfuration mechanisms of the coatings.

将沉积铝化物微晶涂层的Q235钢分别在600 ℃空气中氧化200 h和600 ℃ 99.98% SO2气氛中硫化50 h，然后进行SEM、EDS和XRD分析。

The oxidation life time of aluminide coatings at high temperatures is difficult to measure experimentally.

对铝化物涂层高温氧化寿命进行实验检测，是一项十分费时且耗能的工作。

The cyclic oxidation of four different steels without and with aluminide coatings under the condition of quenching in sea water has been studied.

对 4种不同级别的钢在 6 0 0℃～ 80 0℃氧化和海水淬冷交替作用下的循环腐蚀行为进行了研究。

Relation between phase transformation and properties of the Al-rich titanium aluminide intermetallics can be studied.

以了解富铝钛铝介金属间的相变态机构与其性质的关系。

In this paper the as-cast microstructure, the rules of phase precipitation, the change of microstructure and minor phase content and the degeneration of aluminide coating after thermal exposure at temperature range from 850℃ to 1100℃ for 1000-3000 hours have been studied in comparison between two kinds of low chromium-high tungsten cast nickel-base superalloys.

本文对比地研究了两种低铬-高钨系列的铸造镍基高温合金的铸态显微组织，在850～1100℃范围内热暴露1000～3000小时后的相析出规律，显微组织和微量相的变化及铝化物涂层的蜕化。

After prolonged exposure, the aluminide layer composed of PeAl2 and PeAl.

长时间扩散后，铝化层将由FeAl2与FeAl相所组成。

In the further P/M processing,gamma titanium aluminide compact with fine and homogeneous microstructure has been obtained by HIP,although elongation of the compact is poor.

在随后的粉末冶金技术研究中，运用热等静压技术得到了组织细小、均匀的粉末TiA l系金属间化合物，但材料的伸长率很低。

At 900℃, alloy M41 and K3 display similar isothermal oxidation rates which are lower than the oxidation rates of their aluminide coatings. At 1050℃, alloy M41 has a lower isothermal oxidation rate and better scale adherence than K3, and the oxidation rates of the two alloys are higher than that of their aluminide coatings.

900℃下M41和K3合金的氧化增重近似，都比气相渗铝涂层的小，氧化膜均无明显脱落。1050℃下M41合金的氧化增重小于K3合金，氧化膜脱落较轻，K3合金氧化膜脱落严重；该温度下两合金的氧化增重都大于渗铝涂层。

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。

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。