Enhancing mechanical properties and cutting performance of industrially sputtered AlCrN coatings by inducing cathodic arc glow discharge

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081731%3A_____%2F21%3A00545220" target="_blank" >RIV/68081731:_____/21:00545220 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216224:14310/21:00122195

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0257897221007374?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0257897221007374?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.surfcoat.2021.127563" target="_blank" >10.1016/j.surfcoat.2021.127563</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Enhancing mechanical properties and cutting performance of industrially sputtered AlCrN coatings by inducing cathodic arc glow discharge

Popis výsledku v původním jazyce

The average ion energy per deposited atom (E-d) is defined as the product of the ion energy (E-i) and ion-deposition flux ratio (J(i)/J(d)) in magnetron sputtering deposition. E-d captures both the geometrical, and plasma characteristics of the deposition system and hence is regarded as a fundamental parameter for describing the energy dependency of coating structure and properties. Nevertheless, E-d is not a universal parameter since an independent variation of its components, i.e., E-i and J(i)/J(d), may result in the same E-d but different coating structures and properties. While the controlling of J(i)/J(d) is not possible in most conventional magnetron sputtering systems, this study employed an industrially developed SCIL (R) (sputter coatings induced by lateral glow discharge) technology to independently control the ion flux (J(i)) and investigate the dependence of structure, mechanical properties, and cutting performance of the AlCrN coatings on the E-d and its components. The results revealed that the structure of the AlCrN coatings was mainly dependent on the J(i)/J(d) component of E-d, where a transition from a cubic structure into a hexagonal structure took place beyond a critical level of J(i)/J(d). The elastic modulus showed no E-d dependency and was only affected by coating structure. However, the hardness was strongly dependent on the E-d. Whether in E-i or J(i)/J(d), an increase led to a hardness enhancement through the synergic effect of the residual stress hardening, coating densification, and grain refining mechanisms. The cutting performance of deposited tools under real working conditions was also found to be dependent on the E-d and, in particular, on J(i)/J(d). Increasing E-d from similar to 860 to similar to 1170 eV/atom led to a similar to 55% increase in tool lifetime, reaching 90% performance of the benchmark arc-deposited coating.

Název v anglickém jazyce

Enhancing mechanical properties and cutting performance of industrially sputtered AlCrN coatings by inducing cathodic arc glow discharge

Popis výsledku anglicky

The average ion energy per deposited atom (E-d) is defined as the product of the ion energy (E-i) and ion-deposition flux ratio (J(i)/J(d)) in magnetron sputtering deposition. E-d captures both the geometrical, and plasma characteristics of the deposition system and hence is regarded as a fundamental parameter for describing the energy dependency of coating structure and properties. Nevertheless, E-d is not a universal parameter since an independent variation of its components, i.e., E-i and J(i)/J(d), may result in the same E-d but different coating structures and properties. While the controlling of J(i)/J(d) is not possible in most conventional magnetron sputtering systems, this study employed an industrially developed SCIL (R) (sputter coatings induced by lateral glow discharge) technology to independently control the ion flux (J(i)) and investigate the dependence of structure, mechanical properties, and cutting performance of the AlCrN coatings on the E-d and its components. The results revealed that the structure of the AlCrN coatings was mainly dependent on the J(i)/J(d) component of E-d, where a transition from a cubic structure into a hexagonal structure took place beyond a critical level of J(i)/J(d). The elastic modulus showed no E-d dependency and was only affected by coating structure. However, the hardness was strongly dependent on the E-d. Whether in E-i or J(i)/J(d), an increase led to a hardness enhancement through the synergic effect of the residual stress hardening, coating densification, and grain refining mechanisms. The cutting performance of deposited tools under real working conditions was also found to be dependent on the E-d and, in particular, on J(i)/J(d). Increasing E-d from similar to 860 to similar to 1170 eV/atom led to a similar to 55% increase in tool lifetime, reaching 90% performance of the benchmark arc-deposited coating.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20506 - Coating and films

Projekt

<a href="/cs/project/LM2018097" target="_blank" >LM2018097: Centrum výzkumu a vývoje plazmatu a nanotechnologických povrchových úprav</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2021

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Surface and Coatings Technology

ISSN

0257-8972

e-ISSN

—

Svazek periodika

422

Číslo periodika v rámci svazku

25 September 2021

Stát vydavatele periodika

CH - Švýcarská konfederace

Počet stran výsledku

9

Strana od-do

127563

Kód UT WoS článku

000685607200067

EID výsledku v databázi Scopus

2-s2.0-85111587122