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检索条件:关键词=Oxidation  

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离子束增强沉积Si,Al,Y复合薄膜对304不锈钢抗氧化性的影响

李化龙 , 黄元伟 , 柳襄怀 , 张允书

腐蚀学报(英文)

用离子束增强沉积方法,在304不锈钢表面上制备了Si,Y—Si,Al,Y-Al薄膜,研究了它们在950℃、1050℃空气中的氧化,并采用EPMA及SEM等技术分别对氧化产物进行了分析。对离子束增强沉积薄膜样品的抗氧化性、SiO2膜的形成过程及Y的作用进行讨论。

关键词: 离子束增强沉积 , Al , Si , Y , Oxidation

Cu-30Ni-20Cr纳米复合镀层的高温氧化行为

黄忠平 , 彭晓 , 王福会

金属学报

用复合电沉积的方法制备出新型的Cu-30Ni-20Cr纳米复合镀层,该镀层的组织结构与Cu-Ni-Cr三元合金不同,是由Cu-Ni基固溶体(晶粒尺寸为~60nm)和纳米Cr颗粒(平均尺寸~28nm)组成。与相同的工艺条件下制备的Cu-40Ni合金镀层相比,Cu-30Ni-20Cr纳米复合镀层在800...

关键词: 电沉积 , Cu-Ni-Cr nanocomposite film , Oxidation , null

微量 Ge 对大气下液态锡抗氧化性能的影响

贡国良 , 冼爱平

金属学报

本文用观察液态锡表面氧化行为和撇取表面氧化渣的方法研究了微量元素 Ge 对液态 Sn在 大气和250 ℃条件下表面抗氧化性能的影响,并与纯锡的氧化行为进行对比;配合 X 射线光电子能谱仪(XPS)、扫描电子显微镜(SEM) 研究了合金表面元素的含量、价态,及合金氧化后的表面形貌。结果表明当微量元素 ...

关键词: , Oxidation

NiAl-20at%Fe合金的高温氧化与热腐蚀行为

王淑荷 , 郭建亭 , 赖万慧 , 谭明晖 , 李辉 , 孙超

中国腐蚀与防护学报

NiAl-20at%Fe合金的高温氧化与热腐蚀行为王淑荷,郭建亭,赖万慧,谭明晖李辉,孙超(中国科学院金属研究所沈阳110015)1引言NIAI金属间化合物具有熔点高、密度低、热传导性好和抗高温氧化能力优异等特点,是一种很有前途的航空航天耐热结构材料;但由于其室温塑性差,超过500oC时的高温强度低...

关键词: null , NiAl , Ni-Al-Fe , Oxidation , Hot corrosion

Analysis of Oxidation and Surface Characteristics in Hot Strip Rolling

Zhengyi JIANG , Weihua SUN , Jianning TANG , Dongbin WEI , Kiet A.TIEU

材料科学技术(英文)

Deformation characteristics of the oxide scale in hot strip mill have not been quantified before and the principle of the effect of oxide scale deformation in the roll bite on strip surface roughness has not yet been revealed. In this paper, analysis of the thin secondary oxide scale formed in hot m...

关键词: Oxidation , null , null , null

Evaluation of Oxidation of Ti-Al and Ti-Al-Cr Coatings Arc-ion Plated on Ti-60 High-temperature Titanium Alloy

Wei Yan

材料科学技术(英文)

High-temperature titanium alloy for aeroengine compressor applications suffers from high-temperature oxidation and environmental corrosion, which prohibits long-term service of this kind alloy at temperatures above 600°C. In an attempt to tackle this problem, Ti-48Al (at. pct) and Ti-48Al-12Cr (at. ...

关键词: Oxidation

Ti_3Al量金属间合金渗铝涂层及其高温氧化行为

沈嘉年 , 周龙江 , 李铁藩 , 江竹海 , 滕玉国

腐蚀学报(英文)

本工作研究了两种Ti_3Al(α_2基)金属间合金(Ti22Al-2Mn,Ti26Al-4Nb)粉末包装渗铝涂层及其900℃恒温与循环氧化行为。通过渗铝处理,在合金表面可获得与基体结合良好的TiAl_3涂层,以NH_4F作活化剂,经800℃,2h渗铝后,含Mn合金上的渗铝层界面平直,厚度均匀,约3μ...

关键词: Ti_3Al金属间合金 , TiAl_3 Coating , Oxidation

Influence of Water Vapor on the Isothermal Oxidation Behavior of Thermal Barrier Coatings

Chungen ZHOU , Jingsheng YU , Shengkai GONG , Huibin XU

材料科学技术(英文)

The oxidation of specimens with thermal barrier coating (TBC) consisted of nickel-base superalloy, low-pressure plasma sprayed Ni-28Cr-6Al-0.4Y (wt pct) bond coating and electron beam physical vapor deposited 7.5 wt pct yttria stabilized zirconia (YSZ) top coating was studied at 1050℃ respectively i...

关键词: Oxidation , null , null

Oxidation of Hastelloy-XR Alloy for Corrosion-Resistant Glass-Coating

Rong TU , Takashi GOTO

材料科学技术(英文)

The oxidation behavior of Hastelloy-XR alloy was investigated to obtain the optimum surface condition for corrosion-resistant glass-coatings. The surface morphology of oxide scales changed significantly with variation of temperature and oxygen partial pressure. The oxidation kinetics was mainly para...

关键词: Oxidation , null , null

High-temperature Oxidation Behavior of Zircaloy-4 and Zirlo in Steam Ambient

Hyung Hoon Kim Jun Ho Kim Jin Young Moon Ho Seong Lee Jeong Joo Kim Young Suck Chai

材料科学技术(英文)

The oxidation characteristics for Zircaloy-4 and Zirlo in the temperature range of 700−1200°C under steam supply condition were investigated by using a modified thermo-gravimetric analyzer. The specimens were oxidized for 3600 s at each temperature and then quenched in a furnace. The oxidation rate ...

关键词: Zircaloy-4 , Zirlo , Oxidation

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