Effect of TiCN Coating on Tribological Properties of Astaloy CrL Sintered Steel

Rodziňák, Dušan; Čerňan, Jozef; Hvizdoš, Pavol

doi:10.12776/mie.v12i3-4.263

Cited by 3 publications

(5 citation statements)

References 11 publications

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“…The microstructures of steel SN 41 9830 for the both approaches to its production (via powder and casting metallurgy) are shown in the Figure 4. From these microstructures is evident that the steel produced via powder metallurgy method has more homogeneous and isotropic structure, as was predicted with respect to the references [2,3,4]. a) casting metallurgy b) powder metallurgy Fig.…”

Section: Table 1 Chemical Composition Of Investigated High Speed Steelssupporting

confidence: 64%

“…The utilization of the material in this case is only 50 %. [3] The casting route usually leads to a microstructure with segregation and poor carbide size distribution. This may affect the material performance, but can be minimised by post thermal mechanical treatments, at a cost penalty.…”

Section: Introductionmentioning

confidence: 99%

“…This results in the formation of different defects in the material during hardening, reduces toughness and cutting properties and impairs the grindability. [1,2,3] Development of the tools production and, in particular, high speed steels by powder metallurgy procedures has been necessitated by the requirement to eliminate the disadvantages of conventional metallurgy. The metal powder is compacted by placing in a closed metal cavity (the die) under pressure.…”

Section: Introductionmentioning

confidence: 99%

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The Research of the High Speed Steels Produced by Powder and Casting Metallurgy from the View of Tool Cutting Life

Monková

Monka

Jakubéczyová

2013

AMM

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High speed steels have a leading position in the group of tool materials today in regard to their special properties. The article deals with the cutting life of tools, which cutting tips were produced from high speed steels. The test were realized at Faculty of Manufacturing Technologies TU Kosice with the seat in Presov, in collaboration with Institute of Material Research of Slovak Academy of Sciences in Kosice. As the method for tool-life investigation was selected the simple radial lathe-turning test. The measured values were statistically processed and submitted to the remoteness testing according to Grubbs. The results of the experiments are graphically presented as a dependence of cutting life on the cutting speed for five types of high speed steels. The base material for four of them was high speed steel STN 19 830 produced via powder metallurgy. It was modified by additional alloying elements, so in this way originated next variations of this steel listed above. Measured data were compared with the fifth type of high speed steel with similar chemical composition, but this type was produced via classical approach - by casting metallurgy. The know-how of the investigated relation will enable to the producers to make a good decision about what type of tool material should be used at the machining in specific conditions in order to achieve good quality of machined surface while achieving the required level of energy consumption.

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Section: Table 1 Chemical Composition Of Investigated High Speed Steelssupporting

confidence: 64%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Research of the High Speed Steels Produced by Powder and Casting Metallurgy from the View of Tool Cutting Life

Monková

Monka

Jakubéczyová

2013

AMM

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“…Raos and Stojsic [17] have used central composite design (CCD) to determine the influence of two pro-cessing parameters: injection pressure and injection speed on tensile strength of injection moulded part and ANOVA of the response indicated injection pressure to be the most influ-ential factor. Rodzinak et al [18] have conducted 'ball on disc' tribological tests on TiCN coated Astaloy CrL sintered steel and found substantial reduction in friction coefficient. This study has been motivated with an intention to investigate the applicability of AISI 4140 as a forming tool.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation and Statistical Approach to Wear Characterization of Plasma Nitrided AISI 4140 Steel-A Case Study

Bhaskar

Kudal

2017

MIE

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<p>Components of forming tool dies such as draw ring, ejector pin use AISI 4140 as material for their manufacturing. The integrity of the die cutting tools is essential to achieve adequate product quality. In present study, the influence of plasma nitriding (PN) on the wear behav-iour of AISI 4140 steel was investigated. Full factorial experimental design technique was used to study the main effects and the interaction effects between operational parameters and the response variable. The control factors at their two levels (-1 and +1) were: applied load (4.905N and 14.715N), sliding speed (3.14 m/s and 5.23 m/s), and sliding distance (500m and 1000m).The parameters were coded as A, B, and C, consecutively, and were investigated at two levels (-1 and +1). Response selected was Wear Volume Loss (WVL). The effects of in-dividual variables and their interaction effects for dependent variables, namely, WVL were determined. The process of selecting significant factors, based on statistical tools, is illustrat-ed. Analysis of Variance (ANOVA) was performed to know the impact of individual factors on the WVL. Untreated and PN treated AISI 4140 specimens were investigated using field emission Scanning Electron Microscope (SEM) equipped with Energy Dispersive X-ray (EDX) analyzer. Finally diagnostics tools were used to check adequacy of the model in terms of assumptions of ANOVA. ‘Design Expert-7’ and ‘Minitab 17’ softwares were used in the study. Results of statistical analysis indicate that the most effective parameters in the WVL were load and sliding speed. The interaction between load and sliding speed was the most influencing interaction. Results of regression analysis indicate regression coefficient (R2) to be above 90% which suggests good predictability of the model. ‘Predicted-R2’ and ‘Adjusted-R2’, found to be in good agreement with R2, for both the materials under investigation. More-over, results of SEM microscopy suggest PN to be an effective technique to reduce wear.</p>

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“…Mechanical and tribologoical properties of hard coatings have been extensively studied and contributed to the improvement of the surface properties of a myriad of industrial devices such as cutting tools and injection molds for polymeric materials [1]. In this regard, the literature reports on different systems and heterostructures based on nitride, carbide, and carbon nitride such as ZrCN [1], TiCN [2], NbCN [3], and CrN/AlN [4], which exhibits high corrosion resistance and acceptable tribological properties. Other transition metals such as vanadium (V) have been used as binary coatings (e.g., VC and VN), thus showing relevant mechanical and electrochemical properties [5,7].…”

Section: Introductionmentioning

confidence: 99%

Mechanical and tribological properties of V–C–N coatings as a function of applied bias voltage

Caicedo

González

Caicedo

et al. 2016

J. Superhard Mater.

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Mechanical and tribological properties of V-C-N coatings as a function of applied bias voltageThe aim of this work is to determine the mechanical and tribological behavior of V-C-N coatings deposited on industrial steel substrates (AISI 8620) by using carbon-nitride coatings as a protective materials. The coatings were deposited on silicon (100) and steel substrates via magnetron sputtering and by varying the applied bias voltage. The V-C-N coatings were characterized by X-ray diffraction (XRD), exhibiting the crystallography orientations (111) FCC for V-C-N conjugated by VC (111) and VN (111) phases and (200) FCC for V-C-N conjugated by VC (200) and VN (200) phases. X-ray photoelectron spectroscopy (XPS) was used to determine the chemical composition of metallic carbon-nitride materials. Atomic force microcopy (AFM) was used for determination of the change in grain size and roughness with deposition parameters. By using nanoindentation, pin-on-disk, and scratch test curves, it was possible to estimate the hardness, friction and critical load of V-C-N surface material. Scanning electron microscopy (SEM) was performed to analyze morphological surfaces changes. Mechanical and tribological behavior in VCN/steel [8620] system, as a function of a bias voltage deposition, showed an increase of 58 % in the hardness, and reduction of 39 % in the friction coefficient, indicating thus that the V-C-N coatings may be a promising material for industrial applications.

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Effect of TiCN Coating on Tribological Properties of Astaloy CrL Sintered Steel

Cited by 3 publications

References 11 publications

The Research of the High Speed Steels Produced by Powder and Casting Metallurgy from the View of Tool Cutting Life

The Research of the High Speed Steels Produced by Powder and Casting Metallurgy from the View of Tool Cutting Life

Experimental Investigation and Statistical Approach to Wear Characterization of Plasma Nitrided AISI 4140 Steel-A Case Study

Mechanical and tribological properties of V–C–N coatings as a function of applied bias voltage

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