Thermodynamic analysis of the behavior of denitrogenation during titanium hydride powder dehydrogenation 氢化钛粉脱氢过程伴随脱氮行为的热力学分析【化】氢氰酸,氰化氢
The pulp of titanium hydride powder was coated on the cleaned steel substrate, then heated in vacuum for desorption of hydrogen and sintered at high temperature in argon atmosphere for forming Ti-Fe alloy coating. 将氢化钛粉浆液涂敷在经净化处理的钢基体上,经真空加热脱氢,充氩高温烧结制备出钛铁合金涂层。
And the titanium hydride forms and moves. 三是形成的钛氢化合物的生成和迁移。
The Formation and Decomposition of Titanium Hydride 氢化钛的制备及其分解
Thermal decomposition properties of titanium hydride and Al alloy foam with low porosity and small pore diameter 氢化钛热分解特性与小孔径低孔隙率泡沫铝合金
A new technique of producing unsaturated titanium hydride powder was studied. During the course of hydrogenation, by means of controlling the temperature, hydrogen pressure and time, the unsaturated titanium hydride powder is produced successfully. 本文研究了氢化法制备不饱和氢化钛粉的工艺,通过氢化过程中温度、氢压力、氢化时间等因素的控制,制备出了满足粉末冶金用的不饱和氢化钛粉末。
Investigation on titanium nitride synthesis by direct reaction of titanium hydride 氢化钛直接反应合成氮化钛的研究
The results in the titanium nitride synthesis by direct reaction of titanium hydride powder under certain low pressure condition and the potential advantages were given in the paper. 本文概述了用氢化钛粉在一定的低压条件下直接反应合成氮化钛的研究结果并论述了其潜在优势。
Research on the Kinetics Isotope Effects of Titanium Hydride and Titanium Deuteride Desorbed 氢/氘化钛热解吸的动力学同位素效应
Thermal Decomposition Kinetics of Titanium Hydride and Aluminium Alloy Melt Foaming Process 氢化钛热分解反应动力学与铝合金熔体泡沫化过程研究
The processes of permeation and diffusion of hydrogen in Ti and Ti alloys can be described into three styles: the hydrogen permeating into Ti matrix and dissolved from and titanium hydride diffuses into Ti matrix under a hydrogen pressure; 氢在钛中的扩散渗透进程分为3种模式,一是渗入钛基体中的氢与钛氢化合物自身分解的氢在氢压的推动作用下在钛基体内扩散;
Determining orientation relationship of titanium hydride in titanium alloy by means of EBSD EBSD测定钛合金中氢化物的取向关系
Preparation of Unsaturated Titanium Hydride Powder by Hydrogenation Process 氢化法制备不饱和氢化钛粉末不对称氢化反应
Mechanical alloying of titanium hydride and aluminum poder mixtures 氢化钛-铝混合粉机械合金化研究
If unsaturated titanium hydride powder can be using in the process instead of Ti powder or saturated titanium hydride powder, not only the cost of products can be greatly reduced, but also the production cycle can be shortened. 以不饱和氢化钛粉代替钛粉或饱和氢化钛粉进行粉末冶金钛合金的生产,不但能缩短生产周期,而且能进一步降低生产成本。
The TPD spectrum of titanium hydride is separated and simulated into individual peaks by utilizing these theories in combination with differential spectrum technique and a set of thermal decomposition kinetics equations are acquired. 利用这些理论,结合定温预分解差谱技术,解叠了氢化钛的程序升温热分解谱线,首次求得了氢化钛热分解反应动力学参数和动力学方程组。
According to these equations, the relationship between decomposition quantity and time for titanium hydride at the temperature of 940K is obtained, which well coincides with the Al alloy melt foaming process. 据此方程组,计算得到了在940K时,氢化钛的热分解量对时间的关系线,它与铝合金熔体泡沫化过程相吻合。
The rate constants of titanium hydride desorbing hydrogen and titanium deuteride desorbing deuterium on different temperature are determined and the activation energy value obtained by this method are 27.1 ± 0.4 kJ/ mol and 42.3 ± 1.9 kJ/ mol respectively. 应用反应速率分析方法计算了各自在不同温度下的反应速率常数,得到氢化钛和氘化钛热解吸的表观活化能分别为27.1±0.4和42.3±1.9kJ/mol。