The mechanism of Fe-based alloy coating for thermal fatigue damage resistance of wheel cast steel was analyzed by SEM. 用扫描电镜分析研究了铁基合金涂层对车轮铸钢材料抗热疲劳损伤机制的影响。
JDSU makes a coating for LCD screens that prevents heat damage to devices used in direct sunlight or heat. JDSU公司作出的液晶屏幕,防止热损伤,在阳光直射或热利用设备的涂料。
The gradient coating can decrease the damage of the residual thermal stress. 梯度涂层在一定程度上可降低残余热应力对涂层的破坏。
Influence of fire retardant coating damage on temperature distribution of steel members 防火涂料破损对钢构件温度分布的影响
Reasons and Preventive Measures for Pock Flaws on Coating Surface of Galvanized Steel Sheet EIS CHARACTERISTICS FOR DAMAGE PROCESSES OF COATING DEFECTS UNDER EFFECT OF HYDROGEN EVOLUTION 热镀锌钢板镀层表面麻点缺陷的产生原因及预防措施析氢对钢表面涂层缺陷破坏过程的交流阻抗谱特征
The negative ion element will become the gas source center and form an ejection in the process of evaporation of coating material, so decrease the damage threshold of the coatings. 并且提出负离子元素在膜料蒸发过程中形成气源中心,产生喷溅,从而使薄膜的损伤阈值降低。
Probe Into the Effect Mechanism of Certain Ni-Based Coating on Thermal Fatigue Damage Resistance of Wheel Cast Steel 镍基热喷涂层对列车车轮铸钢抗制动热疲劳损伤作用机制探讨
Study on microstructure of thermally sprayed coating against fretting damage of railway rolling stock axles 滚道切入磨削时的热损伤层与振纹列车车轴抗微动损伤热喷涂层组织结构研究
The effect of thin film construction on the damage, and the action of SiO2 protecting coating in increasing the laser damage threshold of ZrO2/ SiO2 film are analyzed. 分析了薄膜结构对薄膜受破坏的影响,以及SiO2保护膜在提高ZrO2/SiO2膜的抗激光强度中的作用。
Study on the Repaired Coating of Wheel-Seat to Against Fretting Damage 轮座修复涂层抗微动损伤行为研究
Whereas Chapter 3 implements the projection from the environmental potential distribution to the coating damage rates, and the residual weight of sacrificial anodes to protection current density by applying the numerical samples calculated from the BP neural network. 而在第三章中,根据神经网络的功能特点,应用BP神经网络学习由数值计算得到的样本,实现了由环境电位分布到防腐涂层损伤比率、牺牲阳极剩余重量以及保护电流的映射。
Small crystals and thin apatite layer were formed in SBF because of the lower S and Mg2+ ions which can affects the growing rate of apatite crystal by stabilizing amorphous Ca-P phases and the coating did not damage the porous structure of the samples. 较小的过饱和度和Mg~(2+)离子的结晶生长抑制作用使SBF中形成了结晶细小且比较薄的涂层,不破坏多孔钛的孔隙结构。
Although the porous silica antireflective ( AR) coating has high laser damage threshold after heat treatment, its transmission is correlated with environment relative humidity due to many Si-OH hydrophilic groups on the coating surface. 多孔SiO2膜层经热处理后,具有很高的激光破坏阈值,但是结构中有许多Si-OH亲水基团,导致光学透过率受环境相对湿度的影响很大。
Mechanism of Organic Coating Damage Induced by Ultraviolet Radiation and Its Prevention Measures 紫外线对有机涂层的破坏机理及应对措施
Strengthening Mechanism of Surface Fe-Based Alloy Coating for Thermal Fatigue Damage Improvement of Wheel Cast Steel 车轮铸钢铁基合金涂层改善热疲劳损伤的强化机制
Aluminum coating could react with the bond and damage the wet structure. Al镀层可与结合剂发生反应,还原出单质Pb和B2O,破坏了结合剂的玻璃结构;
Study on Organosilicone Composite Antireflective Coating with High Laser Damage Threshold for Ti-Sapphire 钛宝石强激光负载的有机硅复合凝胶增透膜研究
The interface damage always leads to the whole coating system damage. 界面的损伤会导致涂层体系的过早破坏。
However, after ultra precision machining, the existence of surface affected layer, sub-surface damage and surface residual stress directly reduces the intensity of optical components, long-term stability, image quality, coating quality, and laser induced damage threshold and other important performance indicators. 但微晶玻璃超精密加工后存在的表面加工变质层、亚表层损伤、表面残余应力直接降低了其强度、长期稳定性、成像质量、镀膜质量和抗激光损伤阈值等重要性能指标。
The corresponding technologies such as coating the screw thread after unloading hoop, installing uprighter to prevent wear and adopting hydraulic packer settled the leak of solution and coating damage well. 配套卸箍预涂技术、安装扶正器和水力座封,解决了丝扣的漏失和涂层的损坏问题。
Several methods of dealing optical coating to improve damage threshold were discussed. 介绍了多种可以提高薄膜损伤阈值的处理方法。
By taking into account of the interface damage, coating damage and substrate damage, scratch tests of single soft coating, single hard coating and automobile multiple coatings were simulated by FEA. 在考虑涂层/基体界面破坏、涂层和基体的损伤情况下,分别对单一涂层的软涂层、硬涂层以及汽车多层涂层进行了划痕试验的数值模拟。
Mainly because of lower energy proton irradiation in the shorter range of material, then the proton in the deposition of multilayer film materials the greater the concentration, the surface coating damage is more significant. 这主要是因为辐照能量越低质子在材料中的射程就越短,那么质子在多层膜材料中沉积的浓度也越大,对表面膜层的损伤则更为显著。
Analyzes the semiconductor laser facet catastrophic optical damage mechanisms and coating damage mechanisms, the process of COD and influence on device characteristics are established. 从半导体激光器的腔面损伤机理出发,分析半导体激光器光学灾变损伤(COD)机理和腔面膜损伤机理,确立COD的发生过程和对器件特性的影响。
The thesis mainly focuses on the concrete algorithm of citrus image segmentation, which is a very important link in subject research named automatic inspection system of citrus coating damage. 本文所研究的内容是柑橘图像分割的具体算法设计。它是课题柑橘表面破损自动检测系统中一个非常重要的环节。
The automatic inspection system of citrus coating damage adopts computer vision technology. Compared with manual selection, the inspection precision of computer vision technology has improved a lot. 柑橘表面破损自动检测系统采用的是计算机视觉技术,其检测的精度较人工挑选有很大提高。
The pressure of seawater could accelerate the deterioration process of organic coating, and it may lead to the damage of ships, oil platforms and submersible boats. 深海压力会加速有机涂层的失效,也是导致海洋船舶、石油平台、深潜器等损坏的原因之一。
The device and acoustic emission ( AE) testing equipment are integrated to simulate the process of coating damage under the condition of external load. 该装置通过与声发射检测设备的集成,模拟涂层在外加载荷的条件下的损伤过程。
Using Needle optimizing designs, considering the inner electric-field intensity distribute in the coatings, this thesis designed coating structures with higher laser damage threshold and lower film thick sensitivity. A new combined monitoring method is introduced in this thesis for optical thin film thickness real time monitoring. 采用Needle优化设计方法,考虑了高功率激光系统中光学薄膜内部电场强度分布,设计出损伤阈值较高、膜厚容差较大的膜系结构。
Solvent-based polyurethane coating caused damage to the environment. 目前用的聚氨酯涂料多是溶剂型的,这就对环境造成危害。