查询词典 cladded

Ni-Cr-B-Si alloy powder with adding rare earth was cladded by CO2 laser on the surface of 45 steel, then Ni-based coating which is combined in metallurgy with the matrix and has good performance was obtained.

为提高零件表面的耐磨性和耐蚀性，采用CO2激光器在45钢表面熔覆添加稀土的Ni-Cr-B-Si合金粉末，获得了与基体呈冶金结合的、性能良好的镍基涂层。

On the ground of the theories of heat transference and heat stress,residual heat stress equations were decuced according to the plasma cladded coating.And specific calculations were done with physical property factors.

在热传导及热应力的理论基础上，针对等离子熔覆的实际情况进行了残余热应力计算公式的理论推导，并代入实际物性参数进行了具体算例的计算工作。

Investigation on laser cladded nano-Y2O3 and cobalt based composite coating.

钢表面激光搭接熔覆镍基纳米WC/Co复合涂层的显微组织。

The corrosion characteristics in water, 5% HCl solution and 5% HNO3 solution of the coatings on 45 steel cladded by electrospark deposition with Cr, W, Mo and Ni anode was studied.

对正火45钢基体上的Cr、W、Mo和Ni电极电火花熔涂层在水、5vol%盐酸及硝酸水溶液中的腐蚀行为进行了研究。

The kindergarden is an introverted building with only few openings in the external walls cladded with blackened artificial stone.

这个幼儿园外墙由黑色人造石包裹，墙上少有开口，是一座内向性的建筑。

Displacements contour bands of Ti plates were investigated under different spacers, and pass rate of cladded plate reached 100% when spacer was 8 mm.

实验研究了不同间隙条件下复板运动过程的位移云图，并通过对实验结果进行比较与分析后，确定当间隙高度为8 mm时，爆炸焊接后复板上各点的最终位移都达到了8 mm，复合板结合率为100%。

The nickel-based alloy coating with addition of 1.5 % CeO2 was cladded on the surface of 20Cr2Ni4A steel substrate by a Nd : YAG laser with automatic powder feeding system.

采用Nd：YAG激光器通过同步送粉方式，在20Cr2Ni4A钢基材上制备了添加一定稀土氧化物CeO2的Ni基合金熔覆层。

The results show that from the interface to surface the microstructure of the cladded coating is composed of plane grains,tiny grains and fine dendritic grains. The two main compositions of Ni and Cr homogeneously distribute in the section.

结果表明，熔覆修复层的显微组织从界面往上依次由平面晶、细晶层和中部细小的树枝晶构成，主要元素Ni和Cr在截面内均匀分布，原有Cr层与熔覆层内的Cr元素呈连续状，构件修复区以外的铬层与基体的结合未受激光熔覆的影响。

The measurements clearly pointed the way to optical communication compact gallium-arsenide semiconductor lasers as the source, low-cost cladded glass fibers as the transmission medium, and silicon or germanium semiconductors for detection.

测试结果清楚地指出了光通信的道路--就是以紧凑的砷化镓半导体激光器为光源，廉价的包层光纤为传输媒质，硅或锗半导体为探测器。

The Corrosive wear properties of Ni60 +20%WC alloy coatings by laser cladded process have been measured and wear-corrosion surface morphologies in diffirent impact velocities and sulphuric-acid concentrations have been studied by SEM.

测定了Ni60＋20％WC合金激光熔敷层的腐蚀磨损性能，用扫描电镜研究了冲击速度和介质浓度对腐蚀磨损表面形貌的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。