Investigations on the Metastable Phase Transformations and Cold Deformation Behaviors of the Hydrogenated Titanium Alloys 置氢钛合金亚稳相变及其室温变形行为的研究
Studies on the Synthesis and Raman Spectra of the Lanthanide-Transition Metal Oxides and Metastable Phase, of α-SiO_2 镧系稀土过渡族金属氧化物和α-石英亚稳相的合成与Raman谱的研究
The formation mechanism of anomalous eutectics in the metastable phase alloy is preliminarily studied, the results indicate that α-Fe phase first form dendrite frames in the eutectic melt, then metastable phases ( Fe3B) nucleate and grow in the interval of the frames. 初步探讨了亚稳相合金形成摘要时,非规则共晶组织的形成机制:Q一Fe相首先形成枝晶骨架,然后Fe3B相在枝晶间的液相中形核,发生祸合生长。
The impetus of exsolution is the difference in chemical potential between the metastable phase and the equilibrium phases. 出溶作用的推动力是上凸区域介稳相与平衡相之间的化学位差。
Electric Charge Influence on the Metastable Phase Nucleation 电荷对亚稳态相成核的影响
Effect of Modifiers on Metastable Phase Diagram of Al-Si Alloys 微量元素对Al-Si体系亚稳相图的影响
Metastable phase in rapidly solidified ni_3al alloy 急冷凝固Ni3Al合金中的亚稳相
The key role of templates in the process of large-scale growth of ordered metastable phase and that of selectivity growth from their isomers with approximately equal free energy have been emphasized. 阐述了模板的动力学控制作用对大尺度有序结构特别是亚稳相的生长,对自由能相差很小的异构体的选择生长所具有的重要作用。
Studies on the Preparation of Nano Amorphous and Intermediate Metastable Phase of α-Quartz-Graphite and Their High Pressure Synthesis and Phase Transition α-石英&石墨的纳米非晶和中间亚稳相的制备及其高压合成和相变的研究
On the basis of the work about metastable phase in alloy melts, the characteristics for it are analyzed further as follows. Firstly, the three temperature zones in the melts are brought forward. 在过去关于亚稳相工作的基础上,进一步分析了亚稳相的特征:第1,提出了熔体的三个温区;
Also, the influence of metastable phase transformation on microstructure has been studied in Al-Zn alloy containing low Cu. 此外还研究了低Cu的Al-Zn合金中亚稳相转变对组织形貌的影响。
The lattice structure of a new metastable phase in Fe-12.6 at% B alloy produced by splat-melting has been determined by X-ray diffraction and electron diffraction. 本文利用X射线粉末照相法及透射电子显微镜选区电子衍射法,唯一地确定了作者在液态急冷Fe-12.6at%B合金中发现的新亚稳相具有六角点阵。
Application of Supersaturated Air Supply Two meta-stable structurs were metastable phase at the transformation from fcc structure to bcc. 过饱和送风的实践此两亚稳结构为由fcc过饱和固溶体到bcc析出相的结构变迁提供了过渡。
Holographic Study of Growth Kinetics for the Metastable Phase of DKDP Crystal 亚稳相DKDP晶体生长动力学的全息研究
The activation energy of the metastable phase growth is more lower than that of the stable phase. 亚稳相晶体(101)面生长活化能比稳定相低的多。
In commercial iron-carbon alloys a series of stable and metastable phase trans-formations usually occur under a high shock pressure. 在冲击高压下,工业用铁碳合金中的稳定和亚稳定相会发生一系列变化。
The reason of disappearance of metastable phase and reduction of the mean grain size is the addition of Zr element other than Co element. 添加Zr元素抑制了亚稳相的析出以及细化了晶粒尺寸。
For Al-Si-Cu-Mg alloy, obvious interval during the transition from the GP zones to metastable phase in DSC curve is the main reason of the appearance of double aging peaks. AlSiCuMg合金时效过程中GP区(尤其是GPⅡ区)向亚稳相的转变存在明显的时间间隔是造成合金时效强化过程出现双峰现象的主要原因。
The metastable phase diagram of the salt-water system presents solubility relation in the system during isothermal evaporation. 水盐体系介稳相图描述水盐体系在等温蒸发过程中所呈现的水盐溶解度关系。
Calculation on Valence Electron Structures of Metastable Phase in Al-Cu Alloy Al-Cu合金亚稳相的价电子结构分析
The melts with any composition possess similar features such as metastable phase and phase transition. 对任意组分的熔体均有相似的亚稳相特征和相变特征。
Preparation and Structure Study of a New Metastable Phase Mn 一种新的亚稳态Mn的制备和结构研究
It is mainly related with the chemical effect of the film and presumably associated with the formation of metastable phase of nitride. 其主要原因是TiN膜层的化学效应和亚稳相氮化物的形成。
The hexagonal metastable phase formed in an amorphous Ni-P Alloy during crystallization(ⅲ) hexagonal polytype 非晶Ni-P合金晶化过程中生成的六角亚稳相(Ⅲ)六角多型体
Mass transport process within boundary layer of the metastable phase growth of DKDP crystal and its growth rate have been investigated by holographic phase-contrast interferometric microphotography and laser diffraction metering technique. 用全息相衬干涉显微术和激光衍射术研究了亚稳相DKDP晶体生长速率和边界层的质量输运过程,并与稳定相进行了比较。
Crystallization temperature of amorphous alloy and precipitation temperature of the metastable phase Fe 3B decrease with increasing pressure at the present pressure condition. At certain temperature and pressure, the Fe 3B alloy will transform into a stable phase Fe 2B and its transition temperature changs with pressure. 压力使非晶(Fe0.99,Mo0.01)78Si9B13合金的晶化温度和亚稳Fe3B相的析出温度下降,在一定的压力和温度下,亚稳Fe3B相将向稳定Fe2B相转变,其转变温度随压力而变化。
Based on the classical nucleation theory and the time-dependent nucleation theory, the thermodynamics and the kinetics for the competitive nucleation between the metastable and stable phases have been calculated, and hence a critical condition of forming the metastable phase was proposed. 借助经典形核理论和瞬态形核理论,讨论了Fe-B共晶合金中亚稳相与平衡相之间竞争形核的热力学和动力学体条件,给出了过冷Fe-B共晶合金中形成亚稳相的临界条件。
Viscosity, metastable phase, phase transition and phase diagram of melts ⅱ. A discontinuous structure change in melts 熔体的粘度,亚稳相,相变和相图Ⅱ.熔体中的不连续结构相变
When metastable phase is formed, more latent heat of crystal makes size of α-Fe phase increased further. 当亚稳相形成时,组织中的α&Fe相尺寸发生粗化,这是由于超过冷状态形核比一般过冷形核放出的结晶潜热多的缘故。
Therefore, a controllable solidification technique is urgently wanted to prepare bulk Fe-Ga magnetostrictive alloys which could achieve high texture and the metastable phase formed in rapid solidification. 因此,寻求一种可生长大体积、可良好取向和可得到快速凝固亚稳结构的凝固控制技术就成为制备高性能Fe-Ga类磁致伸缩材料的关键问题之一。