Improvement of mechanical and tribological properties in steel surfaces by using titanium–aluminum/titanium–aluminum nitride multilayered system

Ipaz, L.; Caicedo, J.C.; Esteve, J.; Espinoza‐Beltrán, F.J.; Zambrano, G.

doi:10.1016/j.apsusc.2011.12.033

Cited by 59 publications

(26 citation statements)

References 43 publications

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“…19 Progression of scratching is accompanied by successive degradation described by cohesive failure signaled by microcracks at the edge, local chipping of the coating from its substrate, and finally, a total loss of adhesion between the two constituents as shown in the TiN single layer (Fig. 10).…”

Section: Analysis Of Damage Mechanism By Scratch Testmentioning

confidence: 99%

Study of mechanical behavior, deformation, and fracture of nano-multilayer coatings during microindentation and scratch test

et al. 2015

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Nano-multilayer PVD thin films were deposited on 100C6 (AISI 52100) steel substrate by a PVD magnetron sputtering system. The morphological and microstructural properties were evaluated by using atomic force microscopy and scanning electron microscopy. Residual stresses in all coatings were determined by XRD using the sin2w method. Microindentation and scratch tests were performed, respectively, with a Vickers hardness testing machine and scratch test. These tests were carried out on several coatings with various structures, and compositions TiN single layer, TiAlN multilayer, and TiN/TiAlN nano-multilayer. Hardness measurements were performed by using Vickers imprint using the Jonsson and Hogmark model. Critical loads were measured by scratch test. The results show that the coatings topography was dominated by domes and craters which were uniformly distributed over the surface, and all coatings showed a columnar structure. Damage mechanisms under microindentation and scratch depended on coatings structure and composition. Mechanical and structural properties control the damage behavior and the adhesion quality of coatings. The multilayer structure provides an increase in residual stress, hardness, and failure resistance and a decrease in cracks propagation and adhesion resistance.

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Section: Analysis Of Damage Mechanism By Scratch Testmentioning

confidence: 99%

Study of mechanical behavior, deformation, and fracture of nano-multilayer coatings during microindentation and scratch test

et al. 2015

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“…Tuning the size distribution and spatial ordering of these structures remains a continuing challenge. Metal/metal, metal/ceramic and ceramic/ceramic are type of the model materials used in the investigation of the selforganization of nanostructures in semiconductor and mechanical heterostructures [3][4][5]. In the case of iso-structural multilayers (e.g., NaClfcc-NaClfcc), molecular dynamics (MD) simulations have shown that the peak strength is set by coherency stresses which in turn are determined by elastic modulus and lattice parameter mismatch [6].…”

Section: Introductionmentioning

confidence: 99%

Heterostructures design for Hf-Nitride/V-Nitride system

Caicedo¹,

Escobar

Aperador

et al. 2015

Journal of Physics and Chemistry of Solids

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“…This effect is probable and attributed to many interfaces that blocking dislocations at the interfaces between HfN and VN layers due to the differences in the shear module of the individual layer materials, as well as by coherency strains causing periodical strain-stress fields for latticemismatched multilayered coatings [17]. According to Ipaz et al [18], another condition to enhance the hardness of multilayered coatings with respect to the single layer coating can be associated with the discrete nature of the multilayers and the increased number of interfaces, which is also shown in this study by TEM analyses (see Fig. 3).…”

Section: Mechanical Propertiesmentioning

confidence: 99%