roughness相关论文
在纤端光强为高斯分布且发送光束在反射面发生镜面反射及漫反射的前提下,通过理论分析建立了反射式强度调制光纤传感器的光强调制......
为了去除超光滑玻璃表面的纳米级颗粒, 利用白光干涉仪和原子力显微镜对普通湿法清洗和氢氟酸(HF)清洗后的超光滑抛光样件进行检测......
研究了在1-on-1情况下，采用不同激光能量对HfO2薄膜进行预处理后，薄膜的光学特性、损伤阈值以及损伤形貌变化的机理。实验采用阈值能......
利用钎焊工艺实现氧化铝敷铜陶瓷基板与铝箔的连接，成功制备出了具备良好导热性能的新型铝/氧化铝复合陶瓷基板。采用机械抛光、化......
太赫兹目标散射特性是表征目标对太赫兹波散射能力的一个重要指标。搭建了束宽约100 mm的带有屏蔽舱的2.52 THz目标散射测量系统。......
杂散光是影响显微系统成像质量的重要因素之一，在光学镜面加工及光学镜面清洁过程中会带来不同程度的镜面散射，这部分镜面散射所带来......
单晶硅分光晶体作为同步辐射光源光束线单色器中常用的部件, 由于它对加工精度的要求越来越高, 所以减小加工过程中产生的残余应变......
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研究X射线散射法在软X射线掠入射望远镜反射镜的表面粗糙度测量中的应用。首先, 在光滑表面近似和细光束条件下, 根据Harvey-Shack......
在光谱椭偏测量中，玻璃基底的背反射会给测量结果造成较大影响。针对平板显示器件玻璃基底表面氮化硅镀膜进行了椭偏测量和模型计算......
铝合金密度低、比强度高,是理想的新能源汽车车身材料,但表面氧化层的存在严重影响焊接质量。激光清洗是一种基于脉冲激光的热烧蚀......
太赫兹后向散射强度是描述目标对太赫兹散射能力的一个重要参数。首先通过测量校准目标验证了2.52 THz后向散射特性测量系统的可行......
采用波长为1064 nm的脉冲光纤激光器对FV520B合金钢表面的高温氧化色层进行清洗，以激光功率、脉冲频率、清洗次数和基体原始粗糙度......
本文提出了一种改进的外差共路干涉仪,用于表面粗糙度的测量,它对机械振动、温度变化等极不敏感,纵向分辨率为0.1nm,可用于表面粗......
为解决行波管螺旋线(TWT)测量中存在的效率低和结果不稳定的问题,发展了一种高效的光学检测方法,主要包括:选取基于双标准棒滚动的......
在不同氪(Kr)离子束参数下,研究了微波回旋共振离子源对旋转蓝宝石样片表面的刻蚀效果。采用四因素三水平正交实验,分析了Kr
......
研究了激光冲击强化前后TiAl合金显微硬度的分布变化情况，利用波长为1064 nm、脉宽为14 ns，能量范围为2～6 J的Nd:YAG激光器对合金进行......
The contact fatigue of aviation gears has become more prominent with greater demands for heavy-duty and high-power densi......
Joint roughness coefficient(JRC) is the key parameter for the empirical estimation of joint shear strength by using the ......
A novel hybrid instrument of contact and non-contact measurement with large range is developed, and both measure-ment sy......
The evolution of the overland flow velocity along the distance downslope on smooth and granular beds in different cases ......
为了更加直观有效地描述路面平整度,提出了一种路面平整度的模拟方法,即随机正弦波法.该方法将路面平整度表示成大量具有随机相位......
Firstly, this paper presents an orthogonal test of six factors and five levels, called the chemical mechanical polishing......
Chloride-based fast homoepitaxial growth of 4H-SiC epilayers was performed on 4° off-axis 4H-SiC substrates in a home-m......
Beyond 45 nm, due to the superior CMP performance requirements with the metal gate of aluminum in the advanced CMOS proc......
According to the actual working conditions of roller shell in the process of continuous roll casting, the Fourier heat ......
We experimentally demonstrate high optical quality factor silica microdisk resonators on a silicon chip with large wedge......
Corrosion is one of the main causes of deterioration in steel structures. Loss of thickness in flanges and web of corrod......
The interfacial effects on flow and heat transfer on micro/nano scale are discussed in this paper. Dif- ferent from bulk......
Grain size distribution of bed material is an important characteristic for studying evolution of natural river channel b......
Theoretical prediction research on thermal contact resistance is reviewed in this paper. In general, modeling or simulat......
Growth of cadmium sulfide (CdS) thin films on glass substrates was carried out by atmospheric pressure metal-organic che......
采用纳米压痕法中的Suresh模型和Lee模型研究不同基底温度对直流磁控溅射制备的Ti薄膜中残余应力大小及分布的影响。将压痕法计算......
The friction, wear and lubrication of carbon nitride coatings on silicon substrates are studied using a spherical diamon......
We report the growth of InSb layers directly on GaAs(001) substrates without any buffer layers by molecular beam epitaxy......
A revised flexible roller contact tire model (RFRC tire model) is proposed,which considers not only the geometric and fl......
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The design of the two-step gear reducer is a tedious and time-consuming process.For the purpose of improving the efficie......
Hot-rolled galvanized steel sheet is made from hot-rolled pickled sheet by continuous hot-dip galvanizing process.Withou......
Effect of oxide scale on corrosion behavior of HP-13Cr stainless steel during well completion proces
The well completion process in oil and gas industry,aiming to build effective exploitation,is divided into acidizing and......
China has become the maximum household appliances manufacturing base worldwide.It is a new challenge facing the steel in......
The market of stainless electric steel kettles is growing significantly, but the main mechanism for polishing kettles vi......
The electrochemical behaviours of titanium alloy Ti-10V-2Fe-3Al after electropolishing in a self-developed electrolyte i......
Titanium alloys are widely used in aeronautics that demand a good combination of high strength, good corrosion resistanc......
为实现医用钴铬合金在口腔修复中的应用,利用选区激光熔化(SLM)技术,研究开发了激光选区熔化成型工艺并进行了弯曲、拉伸、硬度以......
对水射流辅助激光复合多道切割Al2O3陶瓷工艺进行了实验研究,并探讨了在激光参数和水射流的其它参数一定的情况下,分析水射流速度......
An echelle diffraction grating based high-resolution spectrometer-on-chip on silicon oxynitride (SiON) waveguide platfor......
