Research of fracture of doped titanium alloys under cavitation

Kovalenko, V.I.; Marinin, V.G.

doi:10.15587/1729-4061.2015.54118

Cited by 4 publications

(1 citation statement)

References 2 publications

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“…Studies of the cavitation wear of the samples were carried out on a facility described in detail in the work [27,28]. The cavitation zone was created by ultrasonic waves under the end face of the concentrator installed in a vessel with distilled water.…”

Section: Materials and Methods Of Investigationmentioning

confidence: 99%

Cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM alloys

et al. 2021

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The microstructure, hardness and cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM have been investigated. It was revealed that the cavitation resistance of the 42HNM alloy is by an order of magnitude higher than that of the Cr18Ni10Ti steel and 16 times higher than that of the Eurofer 97 steel. Alloy 42HNM has the highest microhardness (249 kg/mm2) of all the investigated materials, which explains its high cavitation resistance. The microhardness values of the Cr18Ni10Ti steel and the Eurofer 97 were 196.2 kg/mm2 and 207.2 kg/mm2, respectively. The rate of cavitation wear of the austenitic steel Cr18Ni10Ti is 2.6 times lower than that of the martensitic Eurofer 97.

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Section: Materials and Methods Of Investigationmentioning

confidence: 99%

Cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM alloys

et al. 2021

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Resistance of Titanium Alloys to Cavitation Wear

Klymenko¹,

Marinin²,

Овчаренко³

et al. 2022

Problems of Atomic Science and Technology

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The wear rate of titanium alloys VT1-0, TC5, VT6, VT14, OT4 under the action of microshocks due to cavitation, which is created in distilled water under the surface of the ultrasonic wave emitter, were determined. It was found that the increase in hardness and improvement of cavitation wear resistancefor these alloys depends on the alloying elements, and is also increased after heat treatment and ion-plasma modification of the sample surface. Although no unambiguous correlation was found between the structural class of the alloys and their cavitation wear. Due to ion-plasma modification of alloys, the cavitation wear resistanceis increased by several times, in particular, the VT6 alloy by 3 times. The phase composition of the samples before and after ion-plasma modification was studied and it was found that alloy resistance to cavitation significantly depends on it.

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CAVITATION AND EROSION RESISTANCE OF VACUUM ARC Ti, Ti-Al, Ti-Zr, AND Ti-Ni COATINGS

Klymenko¹,

Marinin²,

Bortnitskaya³

et al. 2022

Problems of Atomic Science and Technology

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Studies on the influence of technological parameters (cathode-substrate distance, substrate temperature, bias voltage, arc current) of vacuum-arc titanium deposition coatings have shown that the deposition rate from one cathode is inversely proportional to the square of the distance between the sample and the cathode surface and proportional to the angle of inclination of the sample relative to the normal to the cathode surface. Sputtered titanium coatings at optimal parameters have 1.25 times higher cavitation resistance than bulk titanium. Among the alloyed vacuum-arc coatings TiAl, TiZr, and TiNi, coatings of the TiAl and TiNi systems have the highest resistance to cavitation and abrasive wear.

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Research of fracture of doped titanium alloys under cavitation

Cited by 4 publications

References 2 publications

Cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM alloys

Cavitation wear of Eurofer 97, Cr18Ni10Ti and 42HNM alloys

Resistance of Titanium Alloys to Cavitation Wear

CAVITATION AND EROSION RESISTANCE OF VACUUM ARC Ti, Ti-Al, Ti-Zr, AND Ti-Ni COATINGS

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