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Journal of Wuhan University of Technology(Materials Science) 2009年第1期24卷 106-110页

作者：吴红艳张平则 College of Math and Physics Nanjing University of Information Science and Technology College of Material and Technology Nanjing University of Aeronautics and Astronautics

Samples of surface chromising layer were prepared by the double glow plasma discharge technique. X-ray diffraction and X-ray photoelectron spectroscopy（XPS） analysis of dif-ferent elements confirmed the formation of chrome in the layer. Their tribological properties were investigated by pin-on-disk tribometer. Silicon nitride, GCr15, and nickel-based alloy were selected as counterface materials. Results indicated that the lowest friction coefficients and wear rate were ob-tained when substrate and chromising layer against nickel-based alloy, and tribological properties of chromising layer were better than those of substrate. The highest friction and wear rate were samples against silicon nitride alloys. In the case of three rubbing pairs, the unchangeable materials against different hardness counterfaces leaded to different wear mechanisms. Samples against silicon nitride exhibited abrasive mechanism, and when GCr15 and nickel-based alloy were used as counterface, transfer film and glaze layer formed on the contact surface, which played the main role in decreasing friction and wear.

关键词： XPS analysis surface alloying friction and wear counterface materials

friction and wear properties of in-situ synthesized Al_2O_3 reinforced aluminum composites

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Transactions of Nonferrous Metals Society of China 2014年第7期24卷 2352-2358页

作者：蒋小松王乃娟朱德贵西南交通大学材料科学与工程学院成都610031

Al-5%Si-AI2O3 composites were prepared by powder metallurgy and in-situ reactive synthesis technology. friction and wear properties of Al-5%Si-Al2O3 composites were studied using an M-2000 wear tester. The effects of load, sliding speed and long time continuous friction on friction and wear properties of Al-5%Si-Al2O3 composites were investigated, respectively. wear surface and wear mechanism of Al-5%Si-Al2O3 composites were studied by Quanta 200 FE-SEM. Results showed that with load increasing, wear loss and coefficient of friction increased. With sliding speed going up, the surface temperature of sample made the rate of the producing of oxidation layer increase, while wear loss and coefficient of friction decreased. With the sliding distance increasing, coefficient of friction increased because the adhesive wear mechanism occurred in the initial stage, then formation and destruction of the oxide layer on the surface of the sample tended to a dynamic equilibrium, the surface state of the sample was relatively stable and so did the coefficient of friction. The experiment shows that the main wear mechanism of Al-5%Si-Al2O3 composites includes abrasive wear, adhesive wear and oxidation wear.

关键词： Al-5%Si-Al2O3 composites friction and wear coefficient of friction load sliding speed

friction and wear behaviors of Nb-Ti-Si-Cr based ultrahigh temperature alloy and its Zr-Y jointly modified silicide coatings

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Transactions of Nonferrous Metals Society of China 2016年第7期26卷 1892-1901页

作者：李轩郭喜平乔彦强西北工业大学凝固技术国家重点实验室西安710072

Zr-Y jointly modified silicide coatings were prepared on an Nb-Ti-Si-Cr based ultrahigh temperature alloy by pack cementation process. The wear behaviors of both the base alloy and coatings were comparatively studied at room temperature and 800 ℃ using SiC balls as the counterpart. The Zr-Y jointly modified silicide coating is mainly composed of a thick （Nb,X）Si2 outer layer and a thin （Ti,Nb）5Si4 inner layer. The coatings possess much higher microhardness than the base alloy. The wear rates of both the base alloy and coatings increase with increasing the sliding loads. However, the coatings have much lower wear rates than the base alloy under the same sliding conditions. The coatings have superior anti-friction property, and can provide effective protection for the base alloy at both room temperature and 800 ℃ in air.

关键词： Nb-Ti-Si-Cr based alloy Zr-Y modified silicide coating friction and wear wear mechanism

friction and wear Property of Cu-Cr Alloy

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Journal of Rare Earths 2007年第S2期25卷 172-175页

作者：刘建华王玉辉高红张瑞军 State Key laboratory of Metastable Materials Science and Technology Yan Shan University

The friction and wear behaviors of the Cu-Cr alloy sliding against GCr15 steel at different loads and rotate speed conditions were evaluated, and the worn surface morphologies were observed on a scanning electron microscope. Results show that as loads and rotate speed increase, the wear loss weight increases, by comparison, the biggest friction coefficient of Cu-Cr alloy was obtained at load 100 N and rotate speed at 100 r·min-1 friction condition. Moreover, the dominant wear forms was plough wear.

关键词： Cu-Cr alloy friction and wear loads and speed rare earths

Study on dry friction and wear resistance of a WC-Co particle reinforced iron matrix composite material

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China Foundry 2013年第3期10卷 135-140页

作者： Zhang Peng Zeng Shaolian Zhang Zhiguo Li Wei Department of Materials Science and Engineering Jinan University Engineering Research Centre of wear Resistant Materials Jinan University

In order to select a suitable material for the rolling mill guide application, the dry sliding friction and wear resistance of a tungsten carbide combining cobalt (WC-Co) particle reinforced chromium cast iron composite material were studied. In particular, the wear resistance was discussed in detail. The results showed that the composite material demonstrates 25 times the wear resistance of high Cr cast iron, and 9 times the wear resistance of heat resistant steel. However, the average friction factor in the stable friction stage showed a relationship of μComposites/45#steel>μHigh chromium cast iron/45#steel>μHeat resistant steel/45 # steel. The wear resistance mechanism of the composite material was associated with the reinforcing particles, which protruded from the worn surface to bear the friction load when the matrix material surface was worn, thereby reducing the abrasive and adhesive wear. In addition, the matrix material possessed suitable hardness and toughness, providing a support to the reinforcements.

关键词： particle reinforcement composite material high Cr cast iron friction and wear

The friction and wear of Sleeve-ring Pair Lubricated by Active Lubricants in the Presence of Magnetic Field

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Journal of Wuhan University of Technology(Materials Science) 2004年第B10期19卷 69-71页

作者：周强 China Agricultural University

The effect of magnetic field on the tribological process of sleeve-ring pair lubricated by WRL lubricants was investigated by means of a NG-x wear tester and a PS5013 video microscope. The friction coefficient(f) and the wear weight(W) in lubricating test with WRL lubricant were decreased with the increase in the magnetic field vertical to the rubbing surface, and an almost zero wear lubricating situation was gained in a magnetic field of 1000A/m. The captured wear micro particles on the rubbing surface were observed in the testing process, and the theoretical analysis of magnetic effects was completed. It is indicated that the magnetic field has not only a capturing action of wear micro particles on the worn surface, but also a inducing polarization of magnetic anisotropy of lubricant molecular. The actions promote the absorption of WRL lubricant into the wear surface as well as wear micro-particles, so that a good tribological effect is obtained when both magnetic field and WRL present.

关键词： magnetic field sleeve-ring pair friction and wear WRL lubricant tribological property

The Study of friction and wear Capability of Piston Ring Coatings

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The Study of Friction and Wear Capability of Piston Ring Coa...

friction and wear behaviour of plasma-sprayed La2O3 modified Al2O3 coatings

2016中国汽车工程学会年会暨展览会

作者： Li Wenping Lu Yun China FAW Corporation Limited R＆D Center

ISBN: (纸本)9789811035272;9789811035265

The friction and wear capabilities of four coatings piston ring which Chromium,PVD,PCVD and GDC were studied with simulated *** results indicate that GDC coating shows the minimum wear rate and the lowest friction coefficient,while the Chromium coating shows the worst friction and wear *** wear rate of GDC ring is only 15 percent of Chromium ring.

关键词： piston ring coatings friction and wear

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Friction and wear behaviour of plasma-sprayed La2O3 modified...

Study on the friction and wear properties of the surface nanocrystallized 1.0C-1.5Cr steel induced by the surface mechanical attrition treatment

第七届全国表面工程学术会议暨第二届表面工程青年学术论坛

作者：尹志坚丁传贤 The Key Laboratory of Inorganic Coating Materials Shanghai Institute of Ceramics Chinese Academy of Sciences P R China

In the present study,AlO coatings with the addition of LaO were deposited onto the stainless steel by atmospheric plasma *** AlO-LaO feedstock with different composition(AlO-1wt.% LaO, AlO-3wt.% LaO,AlO-5wt.% LaO,and AlO-10wt.% LaO)were prepared by the mechanical mix- ing and wet-chemical *** effects of LaO addition were investigated in terms of microstructural character- ization and evaluation of hardness and tribological properties of coatings by X-ray diffractometer(XRD),scanning e- lectron microscope(SEM),hardness tester and ball-on-dise ***,the measured mechanical data were then statistically analyzed employing the Weibull distribution to evaluate their variability within the coat- *** was found that the preparation process showed obvious effects on the feedstock morphology and resulting coat- ing *** LaO additions were recognized to effectively refine the microstructure,and to decrease the hardness data fluctuation indicated by the reduced Weibull modulus(M).The wear tests performed under different degree of severity showed the superior wear resistance of plasma-sprayed AlO-LaO composite coating to the pure AlO *** the friction and wear mechanism was also discussed.

关键词： Plasma spraying Al2O3-La2O3 friction and wear Weibull analysis

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Baosteel Technical Research 2010年第4期4卷 17-21页

作者： ZHANG Junbao1),WANG Aixiang1,2)and ZHANG Yujun1)1)Advanced Technology Division,Research Institute,Baoshan Iron & Steel Co.,Ltd.,Shanghai 201900,China2)School of Materials Science & Engineering,Shanghai Jiao Tong University,Shanghai 200030,China Advanced Technology Division Research InstituteBaoshan Iron & Steel Co. Ltd. Shanghai 201900 China Advanced Technology Division Research InstituteBaoshan Iron & Steel Co. Ltd. Shanghai 201900 China School of Materials Science & Engineering Shanghai Jiao Tong University Shanghai 200030 China

Nano-structured layers are fabricated on the surface of 1.0C-1.5Cr steel by using the surface mechanical attrition treatment(SMAT)technology,and the microstructures of the surface nano-crystallization layers are characterized by means of X-ray diffraction(XRD)and transmission electron microscopy(TEM).The friction and wear properties are also investigated by a UMT-2 friction and wear *** research has indicated that the average diameter of nanocrystalline grains in the surface layer after being treated for 15 min is in the range of 10-20 nm,and ferrite and cementite grains can not be identified by their *** wear-resistance of the specimen treated for 15 min has been doubled,compared with that of the matrix due to the grain refinement to a nano-sized *** lowest friction coefficient is 0.27,which is for the specimen treated for 30 min,resulting from the dissolution of the cementite phase and the formation of a relative homogenous *** SMAT technique for enhancing the wear-resistance of the 1.0C-1.5Cr steel has an optimum processing time,which is in the range of 15-30 *** dominant wear mechanism of the specimen treated for 15 min changes from adhesive wear into particle wear.

关键词： 1.0C-1.5Cr steels surface mechanical attrition treatment surface nanocrystallization friction and wear

Experimental Research on the friction and wear Properties of Ni-based Composite Coating prepared by Laser Cladding

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Experimental Research on the Friction and Wear Properties of...