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Gelcasting of titanium hydride to fabricate low-cost titaniumQing Ye1,Zhi-Meng Guo1,2,Jian-Ling Bai1,Bo-Xin Lu1,Jun-Pin Lin2,Jun-Jie Hao1,Ji Luo1,Hui-Ping Shao11. Institute for Advanced Materials...="ChDivSummary">In this work, low-cost titanium was fabricated by gelcasting of titanium hydride powder. The effects of morphology and grain composition of powder raw material and solid loading......
by-product, WANG et al[7-8] bring the nano-titanium powder into NaAlH4 by mechanically ball-milling to get the Ti hydride powder doped NaAlH4 composite, which exhibits good hydrogenation/dehydrogenation.... [5] ZIDAN R A, TAKARA S, HEE A G., JENSEN C M. Hydrogen cycling behavior of zirconium and titanium-zirconium-doped sodium aluminum hydride [J]. J Alloys Compd, 1999, 285: 119-122. [6] GROSS K J......
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words: titanium aluminide alloys; hydrogen; hydride; delayed cracking 1 Introduction Titanium aluminide alloys based on Ti3Al and TiAl have received sufficient attention showing that they may... min; (d) 2 min7 Conclusions There are two kids of hydrogen solubility in titanium aluminides, one is the overall solubility at high temperature in the matrix without hydride, and the other......
Decomposition behavior of titanium hydride treated by surface oxidationHong-Jie Luo1,2,Hao Lin1,Pei-Hong Chen1,2,Guang-Chun Yao1,21. School of Materials and Metallurgy, Northeastern University摘 要:Titanium hydride attracts more attention as foaming agent in the fabrication of cellular metal materials.In order to meet most aluminum casting alloy’s melting......
Effect of Decomposition Kinetics of Titanium Hydride on the Al Alloy Melt Foaming ProcessDonghui Yang1,2,Jianqing Chen1,Hui Wang3,Jinghua Jiang1,Aibin Ma1,Z.P.Lu31. College of Mechanics and Materials... the titanium hydride decomposition is one of the key factors to influence the Al alloy melt foaming process.In this study,a set of decomposition kinetic equations of titanium hydride was acquired by separating......
Kinetics and mechanism of titanium hydride powder and aluminum melt reactionAli Rasooli1,Mehdi Divandari1,Hamid Reza Shahverdi2,Mohammad Ali Boutorabi11. School of Metallurgy and Materials... reaches zero. The main factors that control the rate of reaction in the first and second regions are the penetration of hydrogen atoms in the titanium lattice and the chemical reaction between molten......
precipitates within α phase. The third is that the lamellar δ hydrides eutectoid generates in a manner of β→δ+α within β phase. Key words: TA15 titanium alloy; microstructure; twin; hydride 钛是20世纪50年代发展起来的一种重...孪晶及衍射谱 Fig.4 Hydride twin and diffraction pattern of TA15 titanium alloy at hydrogen content of 0.410%: (a) Dark-field image; (b) Diffraction pattern 2.3 钛合金中生成的氢化物 氢在钛合金中间隙......
First-principles study on structural stability of 3d transition metal alloying magnesium hydride ZHOU Dian-wu(周惦武), PENG Ping(彭 平), LIU Jin-shui(刘金水), CHEN Lü(陈 律), HU Yan-jun(胡艳军... on the density functional theory was used to investigate the energy and electronic structure of magnesium hydride (MgH2) alloyed by 3d transition metal elements. Through calculations of the negative heat......
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