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使用X射线衍射仪测定出不同氢含量的Ti-30Mo合金的Debye特征温度值以及晶格常数的变化,结果表明随着氢含量的增加,Debye特征温度相应地减小而晶格常数增加,证实了氢含量的增加会导致金属原子间键合力的减弱,从而造成金属脆化。

关键词: Debye温度 , lattice parameter , lattice decohesion theory , Ti alloy

Ti-(Cu, Ni)-Sn合金形成金属玻璃的成分优化及其相关联的共晶反应

采用“3D法”, 系统地研究了Ti-(Cu1-xNix)-Sn(0.20≤x≤0.30, 原子分数, 下同) 四元合金的玻璃形成能力对成分变化的依赖性. 确定玻璃形成能力最佳的合金为Ti38Cu37.8Ni16.2Sn8,Cu模吸铸形成金属玻璃棒材的临界直径接近1 mm.该金属玻璃的过冷液态温度...

关键词: 非晶态合金 , metallic glass , eutectic reaction , Ti alloy

Ti Based Metal Matrix Composites Produced by Powder Metallurgy Routes

Z.G.Liu , B.Gabbitas , D.L.Zhang , J.Liang , W.Gao

材料科学技术（英文）

The production and microstructural characterization of two types of ceramic particulate reinforced Ti matrix composites (TMCs): Ti-6Al-4V/10~vol. pct TiB and Ti(Al,O)/58 vol. pct Al2O3 were studied. The Ti-6Al-4V/10 vol. pct TiB composite with refined microstructure has been produced using a combina...

关键词: Ti alloy , null , null , null

Microstructure Dependent Fatigue Cracking Resistance Ti–6.5Al–3.5Mo–1.5Zr–0.3Si Alloy

Z.M. Song

材料科学技术（英文）

Fatigue cracking behavior from a notch was investigated at room temperature for Ti–6.5Al–3.5Mo–1.5Zr–0.3Si (TC11) alloys with four different microstructures obtained at different cooling rates from the β transus temperature. It was found that the alloy with lamellar structures consisting of α/β...

关键词: Ti alloy

PHASE TRANSFORMATIONS IN Ti-10V-2Fe-3Al NEAR β-ALLOY DURING AGING

ZHANG Shaoqing TAO Chunhu Institute of Aeronautical Materials , Beijing , China Institute of Aeronautical Materials , Beijing , Post Box No.81 , Beijing , China

金属学报(英文版)

The phase transformations in Ti-10V-2Fe-3AI alloy during aging have been studied by means of X-ray diffraction and TEM techniques.The morphology and distribution of precipi- tated phases were examined.The lattice parameters of α and β phases as a function of the ag- ing time is obtained,the hardness...

关键词: Ti alloy , null

ELECTROCHEMICAL BEHAVIOUR OF PHASES IN TITANIUM ALLOYS

LIU Ping Institute of Aeronautical Material , Beijing , ChinaXU Changgan Beijing University of Aeronautics and Astronautics , Beijing , China XU Changgan , Associate Professor , Group 102 , Beijing University of Aeronautics and Astronautics , 37 Xueyuan Road , Beijing 100083 , China

金属学报(英文版)

The electrochemical behaviour,which is presented by means of anodic polarization curves.of the component phases in Ti and Ti alloys in aqueous solutions of fluorhydrie acid,chhnhydric acid and amber acid has been investigated.The results indicate that the electrochemical behaviour of the allloys dep...

关键词: Ti alloy , null , null

PHYSICAL MODELLING OF ISOTHERMAL DIE FORGING PROCESS OF Ti-ALLOY STRUCTURAL AIR-FRAME PART WITH E TYPE CROSS-SECTION AND VARYING THICKNESS RIB

Z. K. Yao , H. Z. Cuo , M. Wang , F. Lan and P. F. Feng (Northwestern Polytechnical University , Xi' an 710072 , China)

金属学报(英文版)

Isothermal flashless die forging process of Ti - alloy structural air - frame part with varying thickness rib has been modelled in this paper.The results of present study show that a upside - down trapezoid rib would be formed and buckling would occure as blank is reduced,if the thickness of bille...

关键词: Ti alloy , null , null

Nd-RICH PHASE PARTICLES IN AS-FORGED Ti-5Al-4Sn-2Zr-1Mo-0.25Si-1Nd ALLOY

G.P.Li , D.Li , Y.Y.Liu , S.X. Guan and Q.J.Wang (Department of Titanium Alloys , Institute of Metal Research , The Chinese Academy of Sciences , Shenyang 110015 , China)

金属学报(英文版)

TEM examination proves that the second phase particle within the as-forged Ti-55alloy consists of either bright or dark "matrix" (nano-Nd3Sn) and some small dark blocks (SnO) dispersed in the "matrix". The HREM observation shows that the nanoNd3Sn phase is roughly spherical and about 3-15nm in diam...

关键词: Ti alloy , null , null

EFFECT OF HYDROGEN ON DEBYE TEMPERATURE AND LATTICE PARAMETER OF Ti-30Mo ALLOY

YU Bingxi GAO Shujun Institute of Metal Research , Academia Sinica , Shenyang , China

金属学报(英文版)

The variations of Debye temperature and lattice parameter of Ti-30Mo alloy with different hydrogen contents were measured by means of X-ray diffraction.It was found that as the hydrogen content increases,the Debye temperature decreases,but the lattice parameter of the aUoy increases.The above result...

关键词: Debye temperature , null , null , null

IMPROVING THE SURFACE PROPERTY OF TC4 ALLOY BY LASER NITRIDING AND ITS MECHANISM

Y.L. Yang

金属学报(英文版)

The mixing technology of laser and heated nitrogen was applied to improve the surface hardness of titanium alloy (TC4). The samples were nitrided with laser power density of 6.5×105W·cm-2, the scanning speed various from 100 to 500mm·min-1. The nitrogen gas was pre-heated to 300℃ to accelerate the n...

关键词: laser nitridation , 表面硬度 , 钛合金 , X射线衍射

材料期刊网

氢对Ti合金的Debye温度和晶格常数的影响

Ti-(Cu, Ni)-Sn合金形成金属玻璃的成分优化及其相关联的共晶反应

Ti Based Metal Matrix Composites Produced by Powder Metallurgy Routes

Microstructure Dependent Fatigue Cracking Resistance Ti–6.5Al–3.5Mo–1.5Zr–0.3Si Alloy

PHASE TRANSFORMATIONS IN Ti-10V-2Fe-3Al NEAR β-ALLOY DURING AGING

ELECTROCHEMICAL BEHAVIOUR OF PHASES IN TITANIUM ALLOYS

PHYSICAL MODELLING OF ISOTHERMAL DIE FORGING PROCESS OF Ti-ALLOY STRUCTURAL AIR-FRAME PART WITH E TYPE CROSS-SECTION AND VARYING THICKNESS RIB

Nd-RICH PHASE PARTICLES IN AS-FORGED Ti-5Al-4Sn-2Zr-1Mo-0.25Si-1Nd ALLOY

EFFECT OF HYDROGEN ON DEBYE TEMPERATURE AND LATTICE PARAMETER OF Ti-30Mo ALLOY

IMPROVING THE SURFACE PROPERTY OF TC4 ALLOY BY LASER NITRIDING AND ITS MECHANISM

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