Effect of RE on Microstructure and Properties of Nickel-based Self-fluxing Alloy Coating by Vacuum Fusion 稀土对镍基自熔合金真空熔结涂层组织和性能的影响
Effect of RE on Surface Coating of Carbon Steel by Mechanical Alloying 稀土对机械合金化制备碳钢表面铬合金层的影响
When the RE metal salt was2%, the coating had the best density and hardness. 当稀土金属盐加入量为2%时镀层密度最大、显微硬度最高。
The results show that, compared with the boronizing, the case of RE B Ti coating has higher microhardness and smoother hardness gradient; 和纯渗硼层相比,发现共渗层具有高的显微硬度和低的硬度梯度、高耐磨性和热疲劳性;
The effects of RE elements on the vanadizing coating of T10 steel during salt-bath vanadizing process were investigated. 研究了T10钢盐浴渗钒过程中,稀土元素对渗钒覆层的影响;
Effect of RE Seed Coating Formation on Growth and Morpho-structure of Maize RE种衣剂处理对玉米生长发育和形态结构的影响
The experimental results show that the elongation and area reduction of weld can improved by adding RE oxide in electrode coating material. 结果表明,稀土氧化物能提高熔敷金属的伸长率和断面收缩率;
Curves of cathodic polarization display that when SiC particles and rare earth ( RE) were added in the bath, cathodic depositing current density of the composites increases, and it is profitable for Ni-W-P coating to deposit in the cathode, forming Ni-W-P-SiC and RE-Ni-W-P-SiC composites. 阴极过程试验结果显示,当镀液中加入SiC微粒和稀土后,复合材料的阴极沉积电流密度增加,有利于Ni-W-P合金在阴极沉积,并形成Ni-W-P-SiC或RE-Ni-W-P-SiC复合材料。
Influence of RE on Constitutes, Structure and Wear Resistances of Fe Base Alloy Sprayed Coating 稀士对铁合金喷熔层的成分、组织及各种耐磨性的影响
On the contrary, RE causes disadvantageous effect on structure morphology and mechanical properties for the coating with SiO 2 composition 相反,对含SiO2组成的涂层组织形态和相应复合管力学性能产生不利影响
RE reduces the porosity and enhances the density of the coating with the addition to Zn-Al-Mg coating. Furthermore, it increases the self-sealing effect of the coating, thus to improve the stability of the corrosion products layer and to enhance the anti-corrosion property of Zn-Al-Mg coating. Zn-Al-Mg-RE涂层由于RE元素的添加,减小了涂层中的孔隙率、提高了涂层的致密度,从而加大了涂层的自封闭效果,提高了腐蚀产物层的稳定性,使Zn-Al-Mg涂层的耐蚀性进一步提高。
Adding RE in ceramic coating with stoichiometric composition can improve the microstructure and morphology of coating and, therefore, enhance the mechanical properties and heat shock resistance of metal-ceramic composite pipe. 试验得出稀土可改善正常配比陶瓷涂层的组织形态,减少涂层孔隙,提高金属&陶瓷涂层复合管的力学性能和抗热冲击性;
Because of RE being added to bath, the stability of bath, bonding force of coating and surface quality are improved. 含有稀土元素镀液的稳定性、镀层的结合力和表面质量有所改善;
Moreover, the hardness of the RE Ni W B PTFE Al_2O_3 composite coating increased and the wear rate decreased with increasing Al_2O_3 concentration in the plating bath. 此外,研究表明,镀液中Al2O3颗粒含量增加,RENiWBPTFEAl2O3复合镀层镀态硬度增加,磨损率降低。
Re sea rch of Sea-water Corrosion of Organic Coating 有机涂层的海水腐蚀性能研究
Influence of RE on SHS Ceramic Coating 稀土对SHS陶瓷涂层影响的研究
The WC+ Ni base self fluxing alloy coating was fabricated by plasma spraying and then re melted in furnace. Heat Fused Polyethylene Coating. 研究了等离子喷涂Ni基WC型自熔合金涂层炉熔处理前后的组织形态。
Influence of Scanning Speed and RE on Microstructure and Properties of Laser Cladding ( WC+ SiC)/ Ni Based Composite Coating 扫描速度和稀土元素对激光熔覆(WC+SiC)/Ni基复合涂层显微组织和性能的影响
Function of RE on Anti-Corrosion Property of High Velocity Arc Sprayed Zn-Al-Mg Coating 稀土元素对高速电弧喷涂Zn-Al-Mg涂层耐蚀性的作用
Effects of RE on High Temperature Oxidation-resistance of Hot-dipped Al Coating 稀土元素(RE)对热浸镀铝件抗氧化性能的影响
Influence of RE on Cohesive Force of Spray Coating from One-shot Self-felt Iron-Based Composite Powder 稀土对一次性自粘结铁基复合粉末喷涂涂层结合力的影响
It is known from the comparison with other three coatings that the oxidation resistance of electrodeposited RE Ni W P SiC PTFE composite coating is inferior to that of Ni W P SiC and RE Ni W P SiC coatings. 通过对三种镀层抗氧化性能的比较可知,RENiWPSiCPTFE镀层的抗氧化性不如NiWP、NiWPSiC及RENiWPSiC三种镀层好。
Studied on Technology and properties of Electroless Composite Plating Ni-P-( RE)-SiO_2 Coating 化学复合镀Ni-P-(RE)-SiO2的工艺及性能研究
The results show that the combined treatments can decrease the parabolic rate constant, effectively improve the property of water vapor oxidation resistance and be superior to deposited RE coating only. 结果表明,该处理方法可以减小氧化抛物线速度常数,有效改善抗氧化性能,较单一沉积稀土薄膜效果更为显著。
However, few researches have been conducted on the mechanism of coating formation, RE modification and effect of diffusion treatment on microstructure and properties of the hot-dipped aluminum coating. 但对镀层组织形成机理、RE改性及扩散处理对镀层组织和性能影响的研究鲜见报道。
The main reason is that the proper amount of RE in zinc bath can combine with harmful impurities and purify liquid zinc, and RE dispersion at grain boundary can refine grains, then the corrosion resistance of coating is improved. 主要原因是,锌浴中适量的RE可以与有害杂质化合,起到净化锌液的作用,且RE弥散在晶界处可以起到细化晶粒的作用,使镀层的抗腐蚀能力增强。
The effect of processing parameters on microstructure, composition, high temperature anti-oxidation and corrosion resistance before and after diffusion annealing was studied. The influence of RE on microstructure and properties of hot-dipped aluminum coating was investigated, as well. 本文在分析热浸镀铝镀层组成及结构的基础上,研究了工艺参数对镀层结构影响,以及扩散退火对镀层组织及耐蚀性和抗高温氧化性能的影响。