Structural, mechanical and corrosion resistance of phosphorus-doped TiAlN thin film

Abegunde, Olayinka Oluwatosin; Makha, Mohamed; Machkih, Karima; Larhlimi, Hicham; Ghailane, Anas; Samih, Youssef; Alami, Jones

doi:10.1007/s10853-022-07785-6

Cited by 5 publications

(1 citation statement)

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“…The toughness of a DLC film depends on both the energy absorption capacity and cohesive force of the film. In fact, the film toughness relates to the energy states as well as to the stress states of the tips of cracks before and after fracture of a film [48][49][50][51]. We have to take both energy and stress aspects into account during toughness characterization under complex working conditions.…”

Section: Toughness Characterizationmentioning

confidence: 99%

Toughness Characterization and Toughening Mechanism of Diamond-like Carbon Films

Yu,

Wang,

Hou

et al. 2023

Preprint

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Diamond-like carbon (DLC) films have a promising tribological application in green precision manufacturing, but their toughness represents a serious issue in the way of their application perspective. The film thickness is on the micrometer scale and makes conventional methods unsuitable for its toughness characterization. The absence of an accepted method for characterizing the DLC toughness has hindered the related research on the development of toughening methods and understanding the mechanism. This work intends to explore a relatively simple and acceptable characterization method to measure the film toughness. Moreover, toughening mechanisms of DLC films are proposed during the characterization to reveal the toughening mechanism. The toughness can be fully characterized through combining impact toughness and scratch toughness. The impact toughness can be obtained by observing the size of the indentation and the crack state around the indentation in the impact experiment. The scratch toughness could be assessed by combining the scratch morphology and Crack Propagation Resistance (CPRS). The improvement of film toughness should be carried out from two aspects: preventing microcrack initiation and suppressing crack propagation. Appropriate doping of non-carbide metal particles can effectively improve the toughness of the film, and there are seven main factors affecting the toughening of the film. Five toughening mechanisms of non-carbide metals from film preparation to test stage are revealed during the investigation of the change patterns.

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Section: Toughness Characterizationmentioning

confidence: 99%