激光处理区的硬度由于晶粒细小和强化相的存在而得到提高。
An increase in microhardness of the laser treated zone after laser melting may be attributed to fine precipitates formed in melted zone and to the transformation of retained austenite.
结果表明,镍基单晶基体相和强化相均表现出明显的率相关性。
The effects of strain rate on the matrix and precipitate phases of Ni-base superalloy have been analyzed using the theory.
讨论了弥散强化铜合金强化相的选择原则,以及此合金的应用前景。
Selected principles of strengthening phase of dispersion strengthening Cu alloy and its application prospect were discussed.
对所有患者均进行双螺旋CT扫描,分别获取血管相和肝脏最大强化相影像。
Helical CT scan images were obtained in the vascular phase and the maximal hepatic enhancement phase.
在相同的体积分数下,随着涂层中弥散强化相尺寸的减小,涂层的耐磨性提高。
With the same additive volume, the abrasive resistance of the coating increases as the size of the dispersion strengthening phase decreases.
透射电镜观察表明,焊接接头各微区的显微硬度变化主要与时效强化相的析出行为有关。
TEM observation revealed that the changes in micro-hardness of micro-areas across the weld are mainly related with the precipitate evolution during the aging process.
同时开裂倾向还受激光工艺参数、涂层合金粉的配比以及强化相的形状、大小等因素的影响。
At the same time, the cracking trend is affected by the laser cladding process parameters, the alloy powders content, and the shape and size of the reinforced phases.
区,使得在随后的时效过程中形成高密度的强化相,减少自然时效的不利影响,提高合金的硬度。
Pre-aging increases the density and volume of precipitates after artificial aging, which decreases the disadvantage of the nature aging and improves the hardness of auto sheets.
结果表明,该缺陷与强化相析出有关,金相与电镜观察证明,该区域是析出质点富集区经氧化形成的。
The metalurgraphic and electron microscopic inspection found that the black spot defects are formed by the oxidation of particle enriched zone.
大众文化是同传统的精英文化相区别的,其娱乐、消闲、商业性的功能大大强化,而认识教育和审美的功能相对弱化。
The culture of masses is different from that of traditional elite, and its function of entertainment, pastime and commerce is greatly strengthened.
采用甚高频等离子体增强化学气相沉积技术制备了不同衬底温度的微晶硅薄膜。
A series of microcrystalline silicon thin films were fabricated by very high frequency plasma-enhanced chemical vapor deposition at different substrate temperatures (T_s).
第二相强化奥氏体不锈钢在腐蚀性较强、耐磨性较弱的环境中耐腐蚀磨损性能较好。
On the other hand, when the environment was strong erode and faint abrasion, the second phrase strengthening austenite stainless steel have well corrosion wear characteristics.
复合材料常温和高温的拉伸断裂模式与基体相的形变强化特性有关。
The rupture mode of the composite at room and elevated temperature depends upon the work-hardening characteristics of the nickel alloy matrix.
指出增加变形速率使近缝区金属强化机制为位错强化、一定数量的岛状第二相强化和细晶粒强化。
It has been indicated that the strengthening mechanism of the weld metal is the dislocation, a number of second island phases and fine grain size.
这种粒状组织,与针状铁相相比,对合金性能的影响要小得多,甚至可以起到强化组织的作用。
This kind of granular structure is less harmful to the properties of the alloy than the needle like iron phase, and even can be functional to strengthen structure.
在微合金化钢的强化机理中,第二相,主要是碳氮化物的析出强化是最重要的影响因素。
Among the strengthening mechanisms, precipitation strengthening of the second-phase, mostly carbonide and nitrides, was the brief mechanism indeed.
本文对虾青素的氧载体强化氧传递双液相发酵进行了研究。
Two-phase fermentation system with the addition of oxygen vector was applied to enhance oxygen transfer.
认为固溶强化和第二相强化是加入合金元素强化镁合金的主要方式。
It is thought that solution strengthening and second phase strengthening are two main ways for improving mechanical properties of magnesium alloy.
有效的结晶增长、结晶形态与缩聚反应的解耦合是强化固相缩聚技术的科学基础。
Enough research of crystallization and crystalline form is the base to improve the technology of ssp process.
结论结核瘤动态增强CT扫描在强化值、时间一密度曲线及强化形态均有一定特征,可与周围型肺癌及炎性肿块相鉴别。
Conclusion: Tuberculoma can be differentiated from peripheral pulmonary carcinoma or inflammatory mass by the characteristic of maximum enhanced ct value, enhanced pattern and time-attenuation curves.
狭缝两相流传热装置结构紧凑,具有显著的强化效果,是一种既经济又有效的强化传热方法。
Two-phase flow boiling heat transfer in narrow channels is an economical and effective forced heat transfer method for its compact structure.
从基体组织和沉淀相质点等方面分析了时效强化铝合金机械性能的变化规律。
From base structures and precipitated phase particles and other aspects, this paper analyses the changing laws of age-hardening aluminium alloys 'mechanical properties.
采用甚高频等离子体增强化学气相沉积技术成功地制备了不同硅烷浓度和辉光功率条件下的微晶硅电池。
Microcrystalline silicon solar cells with the variation of silane concentration (SC) and discharge power were fabricated by very high frequency plasma-enhanced chemical vapor deposition.
传统等离子体增强化学气相沉积(PECVD)技术,工艺成熟,制备的薄膜质量高,较适合大规模工业化生产。
For the high technical maturity and the high deposition quality, traditional plasma enhanced chemical vapour deposition (PECVD) technology was wide applied in the large-scale industrial production.
两汉以降,相权的弱化与君权的强化是一个总体的历史趋势。
Since the two han Dynasty, the increasingly weakening premier power and enhancing counterpart had been a general historical trend.
依此较好地解释了相分析结果与电磁性能间的不一致,并提出了强化2223相形成的措施。
Thus, the irregularity between the results of phase analysis and electric, magnetic properties can be explained, and the measures of consolidating 2223 phase can be determined.
方法观察完整时相,分析初始强化形式及与二维图像、CDFI的关系。
Methods The whole manifestation phases were observed to analyze the early enhancement forms and the relationship of the images with B-mode image and CDFI.
研究结果表明:用射频等离子体增强化学气相沉积法,可以在PET上沉积厚度为纳米至微米级的非晶碳氢膜。
The results show: the amorphous hydrogenated carbon film can be fabricated on PET surface by plasma-enhanced chemical vapor deposition.
等离子增强化学气相沉积(PECVD)是低温沉积硅膜的主要方法。
Plasma enhanced chemical vapor deposition (PECVD) is one of the matured and simple manipulated among the thin film deposition methods at low temperature.
等离子增强化学气相沉积(PECVD)是低温沉积硅膜的主要方法。
Plasma enhanced chemical vapor deposition (PECVD) is one of the matured and simple manipulated among the thin film deposition methods at low temperature.
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