hardness相关论文
目的:探讨渗透树脂对漂白后牙釉质表面结构、显微硬度及颜色的影响，为渗透树脂的临床应用提供参考。方法:选择128颗因正畸需要而拔......
采用超声辅助铸造技术成功制造了TiC纳米颗粒增强2219铝基复合材料,并对其进行锻造和T6热处理.本文研究了TiC/AA2219纳米复合材料......
针对Cu-W合金的强度和导热导电性偏低问题,对Cu48.61W51.15Cr0.24合金进行了高压时效处理,并对比了高压时效处理和常压时效处理后......
The microstructure, mechanical and micro/nano-tribological properties of the 60NiTi film annealed at different temperatu......
The indentation size effect (ISE) was studied by instrumented nanoindentation and Vickers hardness measurements on poly-......
The excellent properties of the multi-principal element alloys (e.g.,the CoCrNi medium-entropy alloy)make them a perfect......
Effects of multipass friction stir processing and Mg addition on the microstructure and tensile prop
The effects of multipass friction stir processing (FSP) and Mg powder addition on the different microstructure parts, in......
Al2O3/SiC composite ceramics were prepared from α-Al2O3 and SiC by a pressureless sinter method in this study. The effe......
采用真空电弧熔炼法制备了不同Zr含量的FeCoCrNiZrx (x=0.5,0.75,1)高熵合金.研究了Zr含量对合金组织、磁性能和电化学腐蚀性能的......
Effect of micro-alloying La on precipitation behavior,mechanical properties and electrical conductiv
The rapid industrial development calls for alloys that possess higher comprehensive properties.In this study,the effect ......
Phase evolution and mechanical properties of novel nanocrystalline Y2(TiZrHfMoV)2O7 high entropy pyr
High entropy pyrochlores(HEP)are potential candidates as dispersoids in the oxide dispersed strength-ened steels or allo......
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Effect of Axial Magnetic Field on the Microstructure and Mechanical Properties of CrN Films Deposite
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Four CrAlN coatings with various Al content were prepared by arc ion plating technology under different target currents.......
In this paper,electron backscatter diffraction and various other characterization and analysis techniques including X-ra......
Microstructure and Its Influence on the Mechanical Properties of Ni-28W-6Cr-Based Alloy-Welded Joint
Microstructure and mechanical properties of Ni-28W-6Cr alloy-welded joints produced by gas tungsten arc welding were inv......
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The Influence of Ultrasonic Frequency on the Properties of Ni-Co Coatings Prepared by Ultrasound-ass
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The evolution of hardness homogeneity in commercially pure titanium processed by equal channel angular pressing (ECAP) f......
To develop advanced high speed steel with high vanadium content, a kind of vanadium content 9% high speed steel in the f......
Transparent hydroxyapatite (HAp) ceramics with the grain size ranging 86-1 300 nm were successfully synthesized by spark......
The effects of adding rare-earth element Dy on the microstructure,hardness,and elastic modulus of Ti78-xNb22Dyx (x=0.7,2......
Diffusion bonding between Al and Cu was successfully performed by hot isostatic pressing (HIP). To improve the strength ......
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TiC-containing diamond-like carbon(TiC-DLC)nanocomposite coatings were deposited by a rectangular cathodic arc ion-plati......
In this paper,using the in-situ nano-indentation device(SPM/SEM hybrid system)to test the micro-mechanical properties of......
AlN particles reinforced Cu-base composites: preparation and properties ZHANG Yu,SONG Meihui*,LI Yan
In this work, AlN/Cu composites were prepared by means of powder metallurgy.The effect of AlN content and preparation pr......
Modification of rare earth B4C reinforced copper-based electrical contact material: Properties and p
The high-performance copper-based electrical contact materials were prepared via B4C modified by rare earth salt as rein......
Relationship between Hardness and Ferrite Morphology in VC Interphase Precipitation Strengthened Low
Interphase precipitation is the phenomenon that when steels containing strong carbide-forming elements are transformed f......
Effect of lanthan m on wear behavior of surface layer of M50NiL steel plasma nitrided with rare eart
The quenched M50NiL steel was plasma nitrided at 560℃ with and without rare earth (RE) addition. The effect of pure RE ......
TiB2/Aln multilayers which have constant TiB2 layer thickness (7 nm) and various AlN layer thicknesses ranging from 1.1 ......
Crystallization of Amorphous Sublayer and Enhancement of Mechanical Properties Caused by Varied Modu
TiB2/Al2O3 multilayers with constant modulation periods and various modulation ratios ranging from 1:1 to 11:1 were synt......
Ti-Ag-N/Ag multilayers were successfully deposited on medical titanium alloys (Ti-6Al-4V) substrate by multi-target magn......
Cement is the most used material in the world.Thanks to its low cost, it is he only material that can satisfy the growin......
本文利用高真空离子束辅助沉积系统(IBAD)在室温下制备了ZrB2、WNx和一系列ZrB2/W纳米多层膜,利用XRD、SEM、XP-2台阶仪、纳米力学......
Modern cold work dies are often coated with PVD hard coatings such as TiN, TiAlN, CrAlN, etc. in order to improve their ......
The contact stress distribution of backup rolls in a strip production line was analyzed by finite element method.Based o......
Pure tungsten shows the higher promise as plasma-facing material because of its low sputtering yield,high melting point ......
During the R&D of ITER,tungsten has been recognized as one of the most hopeful materials for PFMs.However,its intrinsic ......
