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Application and parameter identification of cohesive zone elements for intergranular fracture in thin layer
Author(s) -
Rezaei Shahed,
Wulfinghoff Stephan,
Reese Stefanie
Publication year - 2017
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/pamm.201710104
Subject(s) - materials science , coating , high power impulse magnetron sputtering , intergranular fracture , sputter deposition , composite material , intergranular corrosion , fracture (geology) , layer (electronics) , cohesive zone model , displacement (psychology) , grain boundary , sputtering , metallurgy , microstructure , thin film , nanotechnology , psychology , psychotherapist
Coating layers are usually applied on different manufacturing tools to improve their wear resistance and surface properties of the final parts. In this work, fracture and damage behavior of hard coatings such as (Cr,Al)N is studied. The coatings are produced by means of direct current magnetron sputtering (dcMS) and high power pulsed magnetron sputtering (HPPMS) method. The fracture properties of the coating are measured by investigating the force‐displacement curve obtained from a bending test [1]. The cohesive zone element parameters are then fitted to the experimental results to simulate the same behavior. The intergranular fracture within the coating system can then be modeled by employing the cohesive zone (CZ) regions at grain boundaries [2]. (© 2017 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)