Comparative characteristics of wear resistance of electroplated copper coating and composite electrolytic coating obtained with use of lead bronze electroerosive materials

A new technological processes combining a vacuum titanizing with a preliminary electrolytic deposition of Co-W alloy on the tool steel surface have been proposed to increase the corrosion resistance of carbide layers of TiC type. As a result, duplex layers of TiC+(Co-W) type on the steel surfaces have been obtained. It has been proved, that the wear resistance by friction of these duplex layers, produced by means vacuum titanizing of steel covered with electrolytic coating, is such good as the TiC carbide layers, produced on the steel surface without electrolytic coating, but their corrosion resistance is higher.

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PROPERTIES OF DUPLEX LAYERS PRODUCED IN A VACUUM CHROMIZING PROCESS ON STEEL COVERED WITH COBALT ALLOY

Tribologia ◽

10.5604/01.3001.0010.6595 ◽

2016 ◽

Vol 269 (5) ◽

pp. 63-72

Author(s):

Ewa KASPRZYCKA ◽

Bogdan BOGDAŃSKI

Keyword(s):

Wear Resistance ◽

Corrosion Resistance ◽

Tool Steel ◽

Diffusion Zone ◽

Steel Surface ◽

Structure And Properties ◽

Cobalt Alloy ◽

Depth Profiles ◽

Electrolytic Coating ◽

Concentration Depth Profiles

The paper presents the results of examinations of the structure and properties of duplex layers of the CrC+(Co-W) type, produced in a vacuum chromizing process on a tool steel surface covered with Co-W electrolytic alloy. A comparison of the CrC+(Co-W) type duplex layers with the CrC type single carbide layers, produced in vacuum chromizing process, were performed. Studies of layers thickness, their hardness, structure, and concentration depth profiles of elements in the diffusion zone of these layers were carried out. Tribological properties of the layers and corrosion resistance were determined. It has been proven that the wear resistance by friction of the CrC+(Co-W) type duplex layers, produced by means vacuum chromizing of tool steel covered with Co-W alloy electrolytic coating, is as good as single carbide layers of the CrC type, but their corrosion resistance is higher.

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Application of TEM to Deformation, Wear, and Fracture of Ceramics

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100052377 ◽

1974 ◽

Vol 32 ◽

pp. 472-473

Author(s):

B. J. Hockey

Keyword(s):

Wear Resistance ◽

High Temperature ◽

Mechanical Behavior ◽

Brittle Materials ◽

High Temperature Strength ◽

Wide Range ◽

Corrosive Environments ◽

Further Development

Ceramics, such as Al2O3 and SiC have numerous current and potential uses in applications where high temperature strength, hardness, and wear resistance are required often in corrosive environments. These materials are, however, highly anisotropic and brittle, so that their mechanical behavior is often unpredictable. The further development of these materials will require a better understanding of the basic mechanisms controlling deformation, wear, and fracture.The purpose of this talk is to describe applications of TEM to the study of the deformation, wear, and fracture of Al2O3. Similar studies are currently being conducted on SiC and the techniques involved should be applicable to a wide range of hard, brittle materials.

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Abrasive wear of polymer/steel gear drives

Progress in Agricultural Engineering Sciences ◽

10.1556/progress.4.2008.1 ◽

2008 ◽

Vol 4 (1) ◽

pp. 1-26

Author(s):

Gábor Kalácska

Keyword(s):

Wear Resistance ◽

Abrasive Wear ◽

Material Selection ◽

Solid Particles ◽

Soil Types ◽

General View ◽

Modern Engineering ◽

Clean Environment ◽

Engineering Polymers ◽

Plastic Gears

Research was performed on the friction, wear and efficiency of plastic gears made of modern engineering polymers and their composites both in a clean environment (adhesive sliding surfaces) and in an environment contaminated with solid particles and dust (abrasive), with no lubrication at all. The purpose is to give a general view about the results of abrasive wear tests including seven soil types as abrasive media. At the first stage of the research silicious sand was applied between the meshing gears and the wear of plastic and steel gears was evaluated and analyzed from the point of different material properties (elongation at break, hardness, yield stress, modulus of elasticity) and its combinations. The different correlations between the experienced wear and material features are also introduced. At the second stage of the project the abrasive sand was replaced with different physical soil types. The abrasive wear of gears is plotted in the function of soil types. The results highlight on the considerable role of physical soil types on abrasive wear resistance and the conclusions contain the detailed wear resistance. The results offer a new tribology database for the operation and maintenance of agricultural machines with the opportunity of a better material selection according to the dominant soil type. This can finally result longer lifetime and higher reliability of wearing plastic/steel parts.

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Comparative high-temperature wear resistance of CHS88U-VI alloy and H30N50YU5T2 satellite

Collection of Scientific Publications NUS ◽

10.15589/jnn20140407 ◽

2014 ◽

Vol 0 (4) ◽

Cited By ~ 2

Author(s):

Oleksandr M. Kostin ◽

Anastasiia Yu. Butenko ◽

Volodymyr O. Martynenko

Keyword(s):

Wear Resistance ◽

High Temperature ◽

High Temperature Wear

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Tempering and wear resistance of laser cladded MMC coating for corrugated rollers

International Congress on Applications of Lasers & Electro-Optics ◽

10.2351/1.5061206 ◽

2007 ◽

Cited By ~ 1

Author(s):

Zhaoyong Qian ◽

Minlin Zhong ◽

Wenjin Liu ◽

Dongye Zhang ◽

Ruiquan Kang

Keyword(s):

Wear Resistance

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INCREASING THE WEAR RESISTANCE OF ELEMENTS AND COMPONENTS OF FORGING AND STAMPING EQUIPMENT (FOR EXAMPLE, PERFORMING SEPARATION OPERATIONS)

STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. In the frame of the XXIII Agribusiness Forum of the South of Russia and the Exhibition «Interagromash» Volume 1 ◽

10.23947/interagro.2020.1.686-687 ◽

2020 ◽

Author(s):

K.O. Kobzev ◽

◽

S.A. Vyalov ◽

E.S Bozhko ◽

I.A. Zolotuhina ◽

...

Keyword(s):

Wear Resistance ◽

Technological Capabilities ◽

Recoil Force ◽

The Press ◽

Strength And Durability

The article describes the possibilities of increasing the durability of crank presses. The influence of the main parameters of the press on the value of the recoil force was studied. Based on the analysis of this topic, the types of expansion of technological capabilities of crank presses and their strength and durability were summarized.

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