Electroplated Diamond-Composite Coatings for Abrasive Wear Resistance

1978 ◽  
Vol 22 (6) ◽  
pp. 681-686 ◽  
Author(s):  
D. D. Roshon
Keyword(s):  
Wear Resistance ◽  
Abrasive Wear ◽  
Composite Coatings ◽  
Abrasive Wear Resistance ◽  
Diamond Composite

scholarly journals Microstructure and Abrasive Wear Resistance of Metal Matrix Composite Coatings Deposited on Steel Grade AISI 4715 by Powder Plasma Transferred Arc Welding Part 1. Mechanical and Structural Properties of a Cobalt-Based Alloy Surface Layer Reinforced with Particles of Titanium Carbide and Synthetic Metal–Diamond Composite

Materials ◽  
2021 ◽  
Vol 14 (9) ◽  
pp. 2382
Author(s):  
Artur Czupryński
Keyword(s):  
Wear Resistance ◽  
Surface Layer ◽  
Abrasive Wear ◽  
Arc Welding ◽  
Metal Matrix ◽  
Abrasive Wear Resistance ◽  
Diamond Composite ◽  
Plasma Transferred Arc ◽  
Synthetic Metal ◽  
Plasma Transferred Arc Welding

The article discusses test results concerning an innovative surface layer obtained using the cladding with powder plasma transferred arc welding (PPTAW) method. The above-named layer, being a metal matrix composite (MCM), is characterised by high abrasive wear resistance, resistance to pressure and impact loads, and the possibility of operation at elevated temperatures. The layer was made using powder in the form of a cobalt alloy-based composite reinforced with monocarbide TiC particles and superhard spherical particles of synthetic metal–diamond composite provided with tungsten coating. The surface layer was deposited on a sheet made of low-alloy structural steel grade AISI 4715. The layer is intended for surfaces of inserts of drilling tools used in the extraction industry. The results showed the lack of the thermal and structural decomposition of the hard layer reinforcing the matrix during the cladding process, its very high resistance to metal-mineral abrasive wear and its resistance to moderate impact loads. The abrasive wear resistance of the deposited layer with particles of TiC and synthetic metal–diamond composite was about than 140 times higher than the abrasive wear resistance of abrasion resistant heat-treated steel having a nominal hardness of 400 HBW. The use of diamond as a metal matrix reinforcement in order to increase the abrasive resistance of the PPTAW overlay layer is a new and innovative area of inquiry. There is no information related to tests concerning metal matrix surface layers reinforced with synthetic metal–diamond composite and obtained using PPTAW method.

scholarly journals Structure and Abrasive Wear of Composite HSS M2/WC Coating

2012 ◽  
Vol 2012 ◽  
pp. 1-9
Author(s):  
S. F. Gnyusov ◽  
V. G. Durakov ◽  
S. Yu. Tarasov
Keyword(s):  
Wear Resistance ◽  
Abrasive Wear ◽  
Size Distribution ◽  
Composite Coatings ◽  
Abrasive Wear Resistance ◽  
Metastable Austenite ◽  
Eutectic Carbides ◽  
Reinforcing Particles ◽  
Tungsten Monocarbide ◽  
Carbide Content

Features of phase-structure formation and abrasive wear resistance of composite coatings “WC-M2 steel” worn against tungsten monocarbide have been investigated. It was established that adding 20 wt.% WC to the deposited powder mixture leads to the increase in M6C carbide content. These carbides show a multimodal size distribution consisting of~5.9 μm eutectic carbides along the grain boundaries,~0.25 μm carbides dispersed inside the grains. Also a greater amount of metastable austenite (~88 vol.%) is found. The high abrasive wear resistance of these coatings is provided byγ→α′-martensitic transformation and multimodal size distribution of reinforcing particles.

Abrasive Wear Resistance of Plasma-Sprayed Glass-Composite Coatings

2001 ◽  
Vol 10 (4) ◽  
pp. 599-603 ◽  
Author(s):  
D.T. Gawne ◽  
Z. Qiu ◽  
Y. Bao ◽  
T. Zhang ◽  
K. Zhang
Keyword(s):  
Wear Resistance ◽  
Abrasive Wear ◽  
Composite Coatings ◽  
Abrasive Wear Resistance ◽  
Glass Composite ◽  
Plasma Sprayed

scholarly journals Microstructure and Abrasive Wear Resistance of Metal Matrix Composite Coatings Deposited on Steel Grade AISI 4715 by Powder Plasma Transferred Arc Welding Part 2. Mechanical and Structural Properties of a Nickel-Based Alloy Surface Layer Reinforced with Particles of Tungsten Carbide and Synthetic Metal–Diamond Composite

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 2805
Author(s):  
Artur Czupryński
Keyword(s):  
Wear Resistance ◽  
Surface Layer ◽  
Abrasive Wear ◽  
Tungsten Carbide ◽  
Metal Matrix ◽  
Abrasive Wear Resistance ◽  
Spherical Particles ◽  
Hard Phase ◽  
Diamond Composite ◽  
Synthetic Metal

The article is the continuation of a cycle of works published in a Special Issue of MDPI entitled “Innovative Technologies and Materials for the Production of Mechanical, Thermal and Corrosion Wear-Resistant Surface Layers and Coatings” related to tests concerning the microstructure and mechanical properties of innovative surface layers made using the Powder Plasma Transferred Arc Welding (PPTAW) method and intended for work surfaces of drilling tools and machinery applied in the extraction industry. A layer subjected to tests was a metal matrix composite, made using powder based on a nickel alloy containing spherical fused tungsten carbide (SFTC) particles, which are fused tungsten carbide (FTC) particles and spherical particles of tungsten-coated synthetic metal–diamond composite (PD-W). The layer was deposited on the substrate of low-alloy structural steel grade AISI 4715. The results showed that the chemical composition of the metallic powder as well as the content of the hard phase constituting the matrix enabled the making of a powder filler material characterised by very good weldability and appropriate melting. It was also found that the structure of the Ni-WC-PD-W layer was complex and that proper claddings (characterised by the uniform distribution of tungsten carbide (WC)) were formed in relation to specific cladding process parameters. In addition, the structure of the composite layer revealed the partial thermal and structural decomposition of tungsten carbide, while the particles of the synthetic metal–diamond composite remained coherent. The deposited surface layer was characterised by favourable resistance to moderate dynamic impact loads with a potential energy of 200 J, yet at the same time, by over 12 times lower metal–mineral abrasive wear resistance than the previously tested surface layer made of cobalt-based composite powder, the matrix of which contained the hard phase composed of TiC particles and synthetic metal–diamond composite. The lower abrasive wear resistance could result from a different mechanism responsible for the hardening of the spherical particles of the hard phase susceptible to separation from the metal matrix, as well as from a different mechanism of tribological wear.

BÖHLER K100

Alloy Digest ◽  
2020 ◽  
Vol 69 (3) ◽  
Keyword(s):  
Wear Resistance ◽  
Physical Properties ◽  
Abrasive Wear ◽  
Tool Steel ◽  
Cold Work ◽  
Abrasive Wear Resistance ◽  
High Carbon ◽  
High Chromium ◽  
Cold Work Tool Steel

Abstract Böhler K100 is a high-carbon, high-chromium (12%), alloy cold-work tool steel that is suitable for medium run tooling in applications where a very good abrasive wear resistance is needed but where demands on chipping resistance are small. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming and machining. Filing Code: TS-788. Producer or source: voestalpine Böhler Edelstahl GmbH & Co.

SANDVIK APM 2730

Alloy Digest ◽  
2019 ◽  
Vol 68 (4) ◽  
Keyword(s):  
Wear Resistance ◽  
Compressive Strength ◽  
Physical Properties ◽  
Abrasive Wear ◽  
Tool Steel ◽  
High Speed ◽  
Heat Treating ◽  
Abrasive Wear Resistance ◽  
Steel Company ◽  
High Compressive Strength

Abstract Sandvik APM 2730 is a powder metallurgical alloyed hot-isostatic-pressed high-speed tool steel with abrasive wear resistance and high-compressive strength. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on heat treating and machining. Filing Code: TS-763. Producer or source: Sandvik Steel Company.

BÖHLER K107

Alloy Digest ◽  
2020 ◽  
Vol 69 (9) ◽  
Keyword(s):  
Wear Resistance ◽  
Physical Properties ◽  
Abrasive Wear ◽  
Cold Work ◽  
Heat Treating ◽  
Abrasive Wear Resistance ◽  
Tungsten Alloy ◽  
High Carbon ◽  
Cold Work Tool Steel ◽  
Very High

Abstract Böhler K107 is a high-carbon (2.1%), 12% chromium. 0.7 % tungsten, alloy cold-work tool steel that is used in applications where a very high abrasive wear resistance is needed, but where demands on chipping resistance are small. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming and heat treating. Filing Code: TS-799. Producer or source: voestalpine Böhler Edelstahl GmbH&Co KG.

On effect of surface hardening on impact and abrasive wear resistance of Hadfi eld steel

2020 ◽  
pp. 252-255
Author(s):  
V.I. Bolobov ◽  
V.S. Bochkov ◽  
E.V. Akhmerov ◽  
V.A. Plashchinsky ◽  
E.A. Krivokrisenko E.A.
Keyword(s):  
Plastic Deformation ◽  
Wear Resistance ◽  
Abrasive Wear ◽  
Work Hardening ◽  
Surface Hardening ◽  
Cold Work ◽  
Abrasive Wear Resistance ◽  
Hadfield Steel ◽  
Mining Equipment ◽  
Effect Of Surface

On the example of Hadfield steel, as the most common material of fast-wearing parts of mining equipment, the effect of surface hardening by plastic deformation on their impact and abrasive wear resistance is considered. Wear test is conducted on magnetic ironstone as typical representative of abrasive and hard rock. As result of wear of initial samples with hardness of ∼200 HB and samples pre-hardened with different intensities to the hardness of 300, 337 and 368 HB, it is found that during the initial testing period, the initial samples pass the “self-cold-work hardening” stage with increase in hardness to ∼250 HB, which remains virtually unchanged during further tests; the hardness of the pre-hardened samples does not change significantly throughout the tests. It is established that the rate of impact-abrasive wear of pre-hardened samples is significantly (up to 1.4 times) lower than the original ones that are not subjected to plastic deformation, and decreases with increasing degree of cold-work hardening. Preliminary surface hardening by plastic deformation can serve as effective way to increase the service life of fast-wearing working parts of mining equipment.

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