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Ti-Si-N纳米多层膜的研究进展韩瑞路,阎红娟北方工业大学机械与材料工程学院摘 要:TiN存在高温氧化不良,固有脆性等缺点.将硅混合到TiN网络中,形成Ti-Si-N纳米多层膜,此纳米多层膜的硬度有了显著的提高.Ti-Si-N纳米多层膜是一类有着广阔应用前景的新材料,它在涂料,航空航天工业,电子器件等众多领域都有着广泛的应用.尤其在硬质合金刀具领域,较高的硬度,较好的耐磨性和韧性能够延长刀具的使用寿命.Ti-Si-N纳米多层膜制备方法有物理气相沉积和化学气相沉积两大类.物理气相沉积法是原材料在腔体的一端蒸发,然后沉积在腔体另一端较冷的基体上的方法.化学气相沉积在高温下发生化学反应,使钛,硅,氮原子发生重新组合,在基体表面生成Ti-Si-N纳米多层膜.与物理气相沉积方法相比,化学气相沉积方法需要的温度......
High Corrosion-Resistance Double-Layer Ni-P Coating on Steels () 摘要:Double-layer Ni-P alloy coating with a thickness about 20 μm and different Ni-P layers was prepared by electroless deposition... spray tests showed that the double-layer coating exhibits better corrosion resistance. The time of the emergence of the first red rust spot on the coating surface can reach 384 hours, and the gray......
coating treatment CHEN Yu-gang(陈玉刚), ZHU Qing-yu(朱清玉), ZHAI Jing-yu(翟敬宇) School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China Central South University Press..., the experimental results of the fatigue behavior of compressor blade specimen subjected to resonance and the effects of a damping hard coating on relieving the fatigue progress are presented. The crack......
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Multilayer ceramic coating for impeding corrosion of sintered NdFeB magnets K. M. Deen1,A. Ahmad2,A. Ali2 (1.Department of Metallurgy and Materials Engineering CEET,University of the Punjab... that makes them susceptible to corrosion in active environments. The cur-rent paper evaluated the anticorrosion characteristics of multilayer titanium nitride ceramic coating applied through cathodic arc......
Studies on Properties and Structure of Electroless Plating Tin Coating XU Rui-dong1,ZHU Xiao-yun1,GUO Zhong-cheng1 (1.The Centre of New Materials and Surface Engineering Research & Development, Kunming University of Science and Technology, Kunming 650093) 摘要:The composition and structure of electroless tin coating were analyzed by SEM and X-ray diffraction. In the meantime, porosity......
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Microstructure and Behaviors of Nano Composite Coating QIAN Shi-qiang1,LI Pei-yao1,LI Man-ping1,ZHOU Xi-ying1,LI Wei-hong2 (1.Shanghai University of Engineering and Science, Shanghai, China... and microstructure are observed by means of S-2700 scanning electron microscopy (SEM). And the mechanical behaviors of nano composite coating are analyzed. The results show that microstructure of nano......
纳米Ti-Si-N薄膜的高温热稳定性 徐可为1,马大衍1,马胜利1 (1.西安交通大学金属材料强度国家重点实验室) 摘要:用直流等离子体增强化学气相沉积(PCVD)方法在不锈钢基体上制备了Ti-Si-N硬质纳米复合薄膜,研究了Si含量对薄膜硬度的影响及高温退火对薄膜晶粒尺寸及其硬度的影响.结果表明:薄膜的硬度随着Si含量的增加有先增大后减小的趋势,最大硬度可达70 GPa以上.薄膜表现出了较高的热稳定性能,对于晶粒尺寸在4 nm以下的薄膜,Ti-Si-N薄膜的纳米结构和硬度可以维持在1000℃以上.沉积态薄膜的晶粒尺寸是影响薄膜再结晶温度的主要因素.薄膜的高热稳定性是由于沉积过程中发生的自发调幅分解形成了纳米复合结构,偏析使得纳米晶晶界具有强的热力学稳定性. 关键词:无机非金属材料; 纳米薄膜; PCVD; 硬度; 热稳定性; [全文内容正在添加中] ......
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