Spark plasma sintering for high-speed diffusion bonding of the ultrafine-grained near-α Ti–5Al–2V alloy with high strength and corrosion resistance for nuclear engineering

Чувильдеев, В. Н.; Нохрин, А. В.; Копылов, В. И.; Болдин, М. С.; Vostokov, M. M.; Gryaznov, M. Yu.; Tabachkova, N. Yu.; Tryaev, P. V.

doi:10.1007/s10853-019-03926-6

Cited by 21 publications

(18 citation statements)

References 55 publications

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“…A good example is a process proposed by Shirzadi and Wallach [13][14][15] who showed that a simple temperature gradient perpendicular to the bond plane has a benevolent effect on the final bond quality. Other recent promising innovations in diffusion bonding may include inline surface treatment and diffusion bonding [16] as well as spark plasma diffusion bonding [17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Impulse Pressure-Assisted Diffusion Bonding (IPADB): Review and Outlook

Alhazaa

Haneklaus

Almutairi

2021

Metals

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Diffusion bonding is a solid-state welding technique used to join similar and dissimilar materials. Relatively long processing times, usually in the order of several hours as well as fine polished surfaces make it challenging to integrate diffusion bonding in other production processes and mitigate widespread use of the technology. Several studies indicate that varying pressure during diffusion bonding in contrast to the traditionally applied constant load may reduce overall processing- and bonding times. Such processes are referred to as impulse pressure-assisted diffusion bonding (IPADB) and they are, for the first time, reviewed in this work using the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analysis) methodology. Results of the review indicate that varying pressure can indeed reduce bonding times in diffusion bonding and reduce the requirements for pre-bond surface preparation. Additional research is required and should go beyond small and simple sample geometries to concentrate on making IPADB accessible to industrial applications.

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Section: Introductionmentioning

confidence: 99%

Impulse Pressure-Assisted Diffusion Bonding (IPADB): Review and Outlook

Alhazaa

Haneklaus

Almutairi

2021

Metals

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“…-диапазон рассматриваемых стехиометрических чисел, и соответствует экспериментально полученным гистограммам для наночастиц [9,[39][40][41][42], а также трехмерных элементов кристаллической структуры [43,44]. Интересным также является то, что подобный вид имеют и гистограммы распределений по размерам пор в поликристалле [45]. Функция позволяет оценить некоторые свойства дисперсной системы.…”

Section: результаты и их обсуждениеunclassified

О Распределении По Размерам Дисперсных Частиц Фрактальной Формы

Федосеев¹,

Шишулин²

2021

Журнал Технической Физики

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In this paper, a dispersed system formed by an ensemble of particles of different volume has been modeled in the framework of a thermodynamical approach. Particle shape has been determined by its fractal dimension which correlates its volume and surface area. Using the methods of number theory and Hardy-Ramanujan-Rademacher formula, we have calculated the equilibrium size distributions for nanoparticles of different shape in an ensemble. Estimates of the average volume and fractal dimension of dispersed particles have been obtained based on distribution functions. The correlation between average geometrical characteristics of particles in the ensemble, thermodynamical conditions of the dispersed system and properties of its substance have also been revealed.

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“…In some cases, the Ti alloys obtained by SPS have high corrosion resistance [33][34][35]. At present, SPS has found its application as a method of high-speed solid-phase diffusion welding or bonding of Ti alloys [39,40] as well as an efficient method of fabrication of Ti-based dispersion-hardened composites (Ti-TiB 2 , Ti-Si 3 N 4 , Ti-ZrO 2 , etc.) with increased strength [22,26,35,41,42].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Microstructure and Corrosion Resistance of Ti-Al-V Titanium Alloys Obtained by Spark Plasma Sintering

Нохрин

Андреев

Болдин

et al. 2021

Metals

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The research results of the microstructure and corrosion resistance of Ti and Ti-Al-V Russian industrial titanium alloys obtained by spark plasma sintering (SPS) are described. Investigations of the microstructure, phase composition, hardness, tensile strength, electrochemical corrosion resistance and hot salt corrosion of Ti-Al-V titanium alloy specimens were carried out. It was shown that the alloy specimens have a uniform highly dense microstructure and high hardness values. The studied alloys also have high resistance to electrochemical corrosion during tests in acidic aqueous solution causing the intergranular corrosion as well as high resistance to the hot salt corrosion. The assumption that the high hardness of the alloys as well as the differences in the corrosion resistance of the central and lateral parts of the specimens are due to the diffusion of carbon from the graphite mold into the specimen surface was suggested.

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Spark plasma sintering for high-speed diffusion bonding of the ultrafine-grained near-α Ti–5Al–2V alloy with high strength and corrosion resistance for nuclear engineering

Cited by 21 publications

References 55 publications

Impulse Pressure-Assisted Diffusion Bonding (IPADB): Review and Outlook

Impulse Pressure-Assisted Diffusion Bonding (IPADB): Review and Outlook

О Распределении По Размерам Дисперсных Частиц Фрактальной Формы

Investigation of Microstructure and Corrosion Resistance of Ti-Al-V Titanium Alloys Obtained by Spark Plasma Sintering

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