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coatings density
相关语句
  涂层密度
     The as-deposited coatings density was 3.204 g/cm~3, its micro-hardness and elastic modulus were HV4459.2 and 471GPa respectively. The CVD SiC coatings showed that superior polishiability and its surface roughness was 0.429nm after optically polishing.
     在该制备工艺条件下沉积的SiC涂层密度为3.204g/cm3,显微硬度为HV4459.2,弹性模量为471GPa,涂层具有优异的光学加工性能,光学加工后表面粗糙度为0.429nm,能满足光学应用的要求。
短句来源
     Both coatings density is decreasing firstly and then increasing with the increase of graphite content before di-pping and after dipping for 72 h. And density values are about equal at 5% content of graphite flake.
     浸泡前和浸泡72h后,涂层密度随石墨含量的增加均呈现先下降后增大的趋势,而且,两者在石墨含量为5%处的密度几乎相等。
短句来源
  相似匹配句对
     and the crystallinity and density of the coatings have been improved correspondingly.
     随前驱液pH值增加,涂层开裂趋势减弱,结晶趋势增强,致密度有所提高。
短句来源
     Study on the influence of current density on microhardness of MAO coatings
     电流密度对铝合金微弧氧化陶瓷膜显微硬度影响的研究
     s,with unknown density f(x).
     s,f(x)为其未知的密度函数,我们讨论了f(x)的估计的相合性。
短句来源
     RELIEF COATINGS
     浮雕涂料
短句来源
     Density of utility.
     效用密度。
短句来源
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Dense pyrolytic carbon layer (PYC) is the key component of the composite coating of TRISO coated fuel particle in high temperature gas cooled reactor. This paper describes that the coating technology of using a gas mixture of propylene (C 3H 6) and acetylene (C 2H 2) in fluidized bed coating furnace was developed in order to eliminate the thermal effects of propylene decomposition. The influence of coating process parameters (deposition temperature, acetylene concentration) on...

Dense pyrolytic carbon layer (PYC) is the key component of the composite coating of TRISO coated fuel particle in high temperature gas cooled reactor. This paper describes that the coating technology of using a gas mixture of propylene (C 3H 6) and acetylene (C 2H 2) in fluidized bed coating furnace was developed in order to eliminate the thermal effects of propylene decomposition. The influence of coating process parameters (deposition temperature, acetylene concentration) on coating density, deposition rate and deposition efficience are discussed. The optimum coating conditions have been obtained. The dense PYC layers fulfilling the design specification has been fabricated in a fluidized bed coating furnace.

致密热解碳层是高温气冷堆包覆燃料颗粒的关键组成。该文介绍了在流化床包覆炉中采用丙烯(C3H6)和乙炔(C2H2)的混合气体作为反应体系的包覆工艺,以消除只用丙烯作为包覆气体时产生的热效应。讨论了包覆工艺参数(沉积温度、乙炔浓度等)对致密热解碳层的密度、沉积速率和碳利用率的影响,确定了制备致密热解碳层的最佳工艺条件。研究的结果在生产规模流化床包覆炉中得到了验证和实际应用。

The process of using a new powder chemical coating (transpositional coating) to produce Nickel coated SiC particulates has been studied. After the treatment of SiC particulates by active solution the Nickel coatings is very smooth and well knit. The paper has also studied the effects of the temperature of chemical coating, surface active agent and CH 3COOH on the coating. The results show that with the higher temperature there would be the higher deposite rate and the lower coating...

The process of using a new powder chemical coating (transpositional coating) to produce Nickel coated SiC particulates has been studied. After the treatment of SiC particulates by active solution the Nickel coatings is very smooth and well knit. The paper has also studied the effects of the temperature of chemical coating, surface active agent and CH 3COOH on the coating. The results show that with the higher temperature there would be the higher deposite rate and the lower coating density. Suitable surface active agent and CH 3COOH have positive effects on coating. Fix relationship among the coatings thickness, the particle granularity and the coefficient of surface and shape has been studied.

应用自行设计的新型化学涂层工艺 (置换法 ) ,对粉末表面进行预处理后 ,采用自配亲水性溶液对被涂颗粒(SiC)进行表面预处理 ,改善了涂层金属与颗粒基体的结合状况 ,与未经亲水性处理的普通置换法相比 ,新型化学涂层工艺得到了较光滑、致密的Ni涂SiC粉末 .实验进一步分析了涂层反应温度、表面活性剂、涂层助剂 (乙酸 )等因素对涂层效果的影响 ,结果表明 :随着涂层反应温度的升高 ,涂层沉积速率明显加快 ,但涂层致密度降低 ;适量的表面活性剂与涂层助剂对涂层效果有积极的作用 .试验选定涂层反应温度 90℃、适量聚乙二醇和乙酸的工艺条件进行涂层研究 ,对涂层含量、涂层厚度进行了控制与计算 ,得到了粉末厚度、涂层粒度、粉末表面形状因子之间的定量关系 .对涂层反应的热动力学原理进行了分析研究

The effects of coating constituent, coating density, coating layer thickness and temperature on sorption capacity of coating for absorbing the products decomposed from polystyrene have been studied systematically. It has been found that the effect of attapulgite clay on sorption capacity is the largest among the coating constituents. The sorption capacity of the coating with 2% attapulgite clay is elevated to 81%. The relationship between casting porosity and coating...

The effects of coating constituent, coating density, coating layer thickness and temperature on sorption capacity of coating for absorbing the products decomposed from polystyrene have been studied systematically. It has been found that the effect of attapulgite clay on sorption capacity is the largest among the coating constituents. The sorption capacity of the coating with 2% attapulgite clay is elevated to 81%. The relationship between casting porosity and coating sorption capacity has been researched. It has been pointed out that higher sorption capacity of coating for absorbing the products decomposed from polystyrene is helpful to decrease the casting porosity. The results also show that the sorption capacity of the self -developed HW 1 coating with higher sorption capacity for absorbing the products decomposed from polystyrene is as good as that of Ashland coating made in America.

研究了涂料组成、密度、涂层厚度、温度等对涂料吸着性的影响。研究发现 ,涂料组成中以凹凸棒土对涂料吸着性的影响最大 ,涂料中加入 2 %凹凸棒土可以使涂料的吸着性提高 81%。探讨了涂层的吸着性与铝铸件孔隙率之间的关系 ,认为对于铝合金消失模铸造 ,涂料吸着液态聚苯乙烯的能力越强 ,越有利于减少铝铸件的孔隙率。试验结果表明 ,自制的HW 1涂料可与美国Ashland涂料相媲美 ,有较强的吸着液态聚苯乙烯液的能力

 
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