Effect of Deep Cryogenic Treatment on Mechanical and Tribological Properties of PM S390 MC High-Speed Steel

Šolić, Sanja; Cajner, Franjo; Leskovšek, Vojteh

doi:10.3139/120.110380

Cited by 10 publications

(6 citation statements)

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“…One can note a difference in the height and width of the maximum, which indicated that the microstructure of martensite is small-grained, i. e. needles in martensite are finer in the deep cryogenic treated specimens, which is in agreement with the effects of deep cryogenic treatment [5,9,10,13].…”

Section: Chemical Analysis and Structural Propertiessupporting

confidence: 65%

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Influence of deep cryogenic treatment of high speed steel substrate on TiAlN coating properties

Šolić¹,

Cajner

Panjan

2013

Materialwissenschaft Werkst

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Deep cryogenic treatment in combination with classic heat treatment shows a significant improvement in wear resistance of high speed steel tools. The aim of this research was to investigate how the microstructure of the substrate tool steel material, which was altered by deep cryogenic treatment and plasma nitriding, influences the properties of TiAlN coating. The microstructure, topography and composition of the TiAlN coating were investigated using field-emission scanning electron microscope, atomic force microscopy, XRD, and glow discharge optical emission spectroscopy. The coating adhesion was measured using the scratch test. The sliding wear resistance and the force required to break the coating were determined with the ball-on-flat method. Resistance to microabrasion was measured by free ball abrasion test. The results show that deep cryogenic treatment combined with plasma nitriding influence the adhesion of the TiAlN coating to the high speed steel substrate. Wear resistance tests show better wear resistance of deep cryogenic treated samples in comparison with conventionally heat treated ones.Keywords: deep cryogenic treatment / plasma nitriding / PVD TiAlN coating / abrasive wear resistance / Die kryogenische Behandlung in Kombination mit der klassischen Behandlung zeigt eine wesentliche Verbesserung der Verschleißfestigkeit von Hochgeschwindigkeits-Werkzeugen an. Das Ziel dieser Arbeit war die Untersuchung der Mikrostrukturauswirkung des Werkzeugstahlsubstrats, das mit der kryogenischen Behandlung und mit dem Plasmanitrieren modifiziert wurde, auf die Eigenschaften der TiAlN Beschichtung zu zeigen. Die Mikrostruktur, die Topographie und die Zusammensetzung der TiAlN Beschichtung wurde mit FE, SEM, atomic force microscopy, XRD und glow discharge optical emission spectroscopy untersucht und analysiert. Die quantitative Beurteilung der Beschichtungsadhäsion wurde mit der Ritzprüfung durchgeführt. Der Gleitverschleiß und die benötigte Kraft mit der man die Beschichtung zerstören kann, waren mit der "Ball-on-Flat" Methode geprüft. Der Mikroabrasionswiderstand wurde mit dem Kalottenschliffverfahren gemessen. Die Resultate zeigen, dass die kryogenische Behandlung in Kombination mit dem Plasmanitrieren einen Einfluss auf die Adhäsion der TiAlN Beschichtungen an dem Hochgeschwindigkeits-Substrat hat. Die Gleitverschleißprüfungen zeigen bessere Resultate der kryogenisch behandelten Proben gegenüber den konventionell behandelten Proben.Schlüsselwörter: kryogenische Behandlung / Plasmanitrieren / PVD TiAlN Beschichtung / Charakterisierung / Gleitverschleißwiederstand /

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Section: Chemical Analysis and Structural Propertiessupporting

confidence: 65%

“…The results showed that deep cryogenic treatment followed by plasma nitriding contributed to the increase in the adhesive and abrasive wear resistance of the PM S390 MC high speed steel [13].…”

Section: Resultsmentioning

confidence: 90%

Influence of deep cryogenic treatment of high speed steel substrate on TiAlN coating properties

Šolić¹,

Cajner

Panjan

2013

Materialwissenschaft Werkst

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“…Nitriding in the duration of 2.5 hours was carried out at a temperature of 490 °C in a Metalplas Ionon BDAG GRUPPE BALCKE-DÜRR AG apparatus. After heat treatment, thorough analysis of the microstructure and mechanical properties was performed on samples and the results were published in [19].…”

Section: Methodsmentioning

confidence: 99%

“…Regarding the coefficient of friction, DCT samples had a bit higher coefficient of friction, approximately 4 % higher than classically heat-treated samples. Through nitrogen diffusion layer formation [19,20], plasma nitriding reduced friction coefficient of the analysed steel in classic heat-treated samples (HTN) and DCTN samples for 8 % and 11 %, respectively. Fig.…”

Section: Figure 3 Flank Wear Of the Tool Vbmentioning

confidence: 99%

Cutting performance of deep cryogenic treated and nitrided HSS cutting tool inserts

Šolić

Schauperl

Tropša

2019

Teh. glas. (Online)

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High speed steel (HSS) is a very important industrial tool material and has been constantly improved for different wear resistance applications and cutting tools, i.e. drills, milling cutters, hobs and for the cutting tools in which the economical cutting speed is too low for choosing the carbide tools. The properties of HSS depend significantly on the parameters of the conducted heat treatment. In this paper, the influence of deep cryogenic treatment in combination with nitriding of metallurgical powder metallurgy HSS on the wear resistance was measured. Additionally, the cutting performance in a single point cutting tool machinability test at the configuration of the dry low-speed turning of steel was investigated. The results showed that deep cryogenic treatment itself, and in combination with nitriding, resulted in the reduction of the wear rate. The results of the single point cutting tool machinability test showed that deep cryogenic treated and nitrided HSS inserts performed worse than the classically heat-treated inserts and deep cryogenic treated HSS inserts exhibited approximately the same flank wear as the nitrided ones.

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“…Solid shot as microcutting teeth scrape tool surface. Material particles, ejection chips or particles periodically collapsing outgrowth, having hardness close to the material hardness, drag on contact surfaces, carry a certain amount of material and leave traces in the form of scratches [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Wear-Resistance of Nitrided W-Mo-High Speed Steel in Abrasive Wear Conditions

Skakov

Rakhadilov

2013

KEM

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In this work the influence of electrolytic-plasma nitriding on the abrasive wear-resistance of R6M5 high-speed steel were under research. We registered that after electrolytic-plasma nitriding on R6M5 steel surface modified layer is formed with 20-40 μm thickness and with increased microhardness of 9000-12200 MPa. Testing mode for the nitrided samples high-speed steel on abrasive wear developed. It is established, that electrolyte-plasma nitriding allows to increase wear-resistance of R6M5 steel surface layer comparing to original. It was determined that abrasive wear-resistance of R6M5 steel surface layer is increased to 25% as a result of electrolytic plasma nitriding. Thus, studies have demonstrated the feasibility and applicability of electrolytic-plasma nitriding in order to improve cutting tools work resource, working under friction and wear conditions.

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Effect of Deep Cryogenic Treatment on Mechanical and Tribological Properties of PM S390 MC High-Speed Steel

Cited by 10 publications

References 0 publications

Influence of deep cryogenic treatment of high speed steel substrate on TiAlN coating properties

Influence of deep cryogenic treatment of high speed steel substrate on TiAlN coating properties

Cutting performance of deep cryogenic treated and nitrided HSS cutting tool inserts

Wear-Resistance of Nitrided W-Mo-High Speed Steel in Abrasive Wear Conditions

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