2016
DOI: 10.22226/2410-3535-2016-4-262-265
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Comparative study of saturating power boriding media of different composition

Abstract: Boriding abilities of boriding media based on boron carbide, amorphous boron and mixtures for a simultaneous saturation by boron, chromium and titanium have been compared. As an object of study boride coatings on carbon steels 45 and U8A have been chosen. Borating was done from powder mixtures in a chamber furnace of SNOL type. The microstructure and thickness of the diffusion coatings were studied on cross microsections by means of optical microscopy. The boride phases were identified by «color etching» and b… Show more

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Cited by 13 publications
(4 citation statements)
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“…For heating the containers, a SNOL-type chamber furnace equipped with a Termodat-16E3 PID controller was used. All samples were packed in individual saturating containers, so that the sample itself did not come into direct contact with the saturating medium [5][6][7][8][9][10][11][12][13][14], but was located at a certain distance from its surface and were simultaneously loaded into a furnace pre-heated to 950 ° C and were soaked for 1.5 h after the samples attained the temperature of 950 °C. The samples were Grade 2 titanium plates with dimensions of 50 x 4 x 1 mm.…”
Section: Technique Of Experimentsmentioning
confidence: 99%
“…For heating the containers, a SNOL-type chamber furnace equipped with a Termodat-16E3 PID controller was used. All samples were packed in individual saturating containers, so that the sample itself did not come into direct contact with the saturating medium [5][6][7][8][9][10][11][12][13][14], but was located at a certain distance from its surface and were simultaneously loaded into a furnace pre-heated to 950 ° C and were soaked for 1.5 h after the samples attained the temperature of 950 °C. The samples were Grade 2 titanium plates with dimensions of 50 x 4 x 1 mm.…”
Section: Technique Of Experimentsmentioning
confidence: 99%
“…In this regard, several thermochemical treatments have been proposed to enhance the mechanical properties of material surfaces subject to wear and corrosion. The improved hardness has been obtained by coating the metal using processes such as boriding [1][2][3][4]. In recent years, other alternatives such as the duplex coating [5,6], and more particularly the combined surface hardening with boron and carbon [6,7], appeared to be an excellent option for surface hardening.…”
Section: Introductionmentioning
confidence: 99%
“…Естественным выходом из этой ситуации является получение комплексных диффузионных покрытий путем одновременного или последовательного насыщения бором и, например, хромом и титаном. Диффузионные боридные покрытия, содержащие хром и / или титан, имеют более высокие показатели твердости, пластичности и коррозионной стойкости [1][2][3][4][5][6][7]. И, следовательно, многокомпонентные покрытия будут повышать ресурс работы упрочненных деталей в большей степени по сравнению с однокомпонентными покрытиями.…”
Section: Introductionunclassified