Mechanical and Tribological Performance of TC4 Alloy with Surface Plasma Molybdenization

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dc.contributor.authorBen Nengjun
dc.contributor.authorZhou Pengfei
dc.contributor.authorYan Guojun
dc.contributor.authorLiang Wenping
dc.date.accessioned2023-10-04T11:22:37Z
dc.date.available2023-10-04T11:22:37Z
dc.date.issued2017
dc.descriptionMechanical and Tribological Performance of TC4 Alloy with Surface Plasma Molybdenization / N. Ben, P. Zhou, G. Yan, W. Liang // Shipbuilding & Marine Infrastructure. – 2017. – № 1 (7). – P. 40–46.
dc.description.abstract1A plasma molybdenized layer has been applied on titanium alloy TC4 by doubleglow plasma surface alloying technique (DPSA) to improve its wear resistance. The distribution of the microstructures, morphology and composition of the molybdenized layer are analyzed by means of scanning electronic microscopy (SEM) and X-ray diffraction (XRD). The alloying layer is composed of the Mo-deposited layer 12 μm thick and the Mo-diffused layer 15 μm thick. Mo exists in the form of pure element and its solid solution (Ti, Al8, Mo, V). The mechanical properties of the molybdenized layer are evaluated by means of a nano-indentation test. The nano-hardness and elasticity modulus of the surface-modified layer are 13.832 GPa and 804.27 GPa, respectively. These values are much higher than those of the TC4 substrate. The tribological behavior is studies by means of dry sliding in the ballon-disc mode under different loads (1.3–11.3N) and sliding speeds (5, 10, 15, 20 m/min). The friction coefficient and specific wear ratio of the molybdenized layer decrease greatly if compared to those of the TC4 bare metal.
dc.identifier.issn2409-3858 (Print)
dc.identifier.issn2519-1845 (Online)
dc.identifier.urihttps://eir.nuos.edu.ua/handle/123456789/7089
dc.language.isoen
dc.titleMechanical and Tribological Performance of TC4 Alloy with Surface Plasma Molybdenization
dc.typeArticle

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№1(7) 2017