Influence of thermocycle boroaluminising on strength of steel C30

Sizov, I. G.; Mishigdorzhiyn, Undrakh; Leyens, Christoph; Vetter, B.; Fuhrmann, Torsten

doi:10.1179/1743294413y.0000000208

Cited by 15 publications

(4 citation statements)

References 7 publications

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“…Figure1. Scheme of thermocycle boroaluminizing by modes 1 (a) and 2 (b) [11,12] Laser boroaluminizing was conducted by means of the continuous-wave CO 2 -laser with radiation power of 60Wt and processing rate of 10 mm/min. The samples were coated with the paste consisting of boron carbide and aliminum powder mixture in combination 4:1.…”

Section: A) 2 -Cooling Between Cycles In Open Air (Fig 1 B)mentioning

confidence: 99%

The Study of Boroaluminizing in Рastes under Thermocycling and Laser Heating

Sizov

Polyansky²,

Mishigdorzhiyn³

2014

AMR

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Section: A) 2 -Cooling Between Cycles In Open Air (Fig 1 B)mentioning

confidence: 99%

The Study of Boroaluminizing in Рastes under Thermocycling and Laser Heating

Sizov

Polyansky²,

Mishigdorzhiyn³

2014

AMR

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“…One of the diffusion coating methods is boronizing (boron immersion) treatment, which can form borides with an excellent hardness and wear resistance [18][19][20][21], and this could help overcome the aforementioned limitations associated with HEA. However, in conventional boronizing treatment, the deterioration of the mechanical properties of the base material owing to high temperatures and prolonged treatment is an issue that needs to be addressed [22,23]. Therefore, the use of spark plasma sintering (SPS), which enables fast, low-temperature treatment by rapidly heating the sample through the direct application of an electric current to the powder, might accelerate the reaction and solve the slow diffusion issue peculiar to HEA [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Boronizing of CoCrFeMnNi High-Entropy Alloys Using Spark Plasma Sintering

Nakajo

Nishimoto

2022

JMMP

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In this study, we investigated the formation of a protective coating on a face-centered cubic high-entropy alloy (HEA). The coating was formed by a diffusion coating method. In the conventional diffusion coating method, the degradation of the mechanical properties of the base material owing to prolonged high-temperature treatment is a major issue. Therefore, we formed a ceramic layer using spark plasma sintering (SPS), which suppresses grain growth with rapid heating and enables fast, low-temperature processing. The objective of this study was to form borides on the surface of CoCrFeMnNi HEAs using the SPS method and to investigate their properties. A CoCrFeMnNi HEA prepared by the casting method was used as the base material, and a powdered mixture of B4C and KBF4 was used as the boron source. The analysis of the surfaces of the SPS-treated samples revealed the formation of M2B, MB, and Mn3B4-type borides on the HEA surface. The surface hardness was 2000–2500 HV owing to the formation of a ceramic layer on the HEA surface, and elemental analysis showed that certain elements exhibited characteristic diffusion behaviors.

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“…In contrast, the diffusion coating method is expected to form a hard layer with matrix adhesion that is superior to that of the hard layers deposited via PVD or CVD via the formation of an interlayer and a gradient layer. However, a notable limitation of conventional diffusion coating methods is the deterioration of the mechanical properties of the matrix that results from long-term, high-temperature processing [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Boronizing of AISI 316L Stainless Steel Using Spark Plasma Sintering Technique

Nishimoto

Kubo

2020

DDF

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Austenitic stainless-steel has been widely used. Although it offers excellent corrosion resistance, processability, and nonmagnetic properties, it is inferior in terms of wear resistance and hardness. Therefore, the purpose of this study is to form iron boride on an austenitic stainless-steel surface using the spark plasma sintering (SPS) method and to evaluate its properties. The SPS method was utilized because the rapid heating involved in the process reduces the processing time. AISI 316L as a sample material was boronized for 3.6 ks at 1073 – 1273 K at applied pressures of 4 MPa and 8 MPa with a powder mixture of B4C and KBF4. The Vickers hardness profile results showed that the hardness of the untreated sample was ~ 200 HV whereas that of the boronized sample was ~ 2300 HV. The wear test profile showed that the wear resistance of the boronized sample was significantly improved. Moreover, according to elemental analyses, boron diffused from the sample surface to 200 μm and 60 μm when the applied pressure was 8 MPa and 4 MPa, respectively. This indicated that boron diffused to a greater depth when the applied pressure was increased.

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Influence of thermocycle boroaluminising on strength of steel C30

Cited by 15 publications

References 7 publications

The Study of Boroaluminizing in Рastes under Thermocycling and Laser Heating

The Study of Boroaluminizing in Рastes under Thermocycling and Laser Heating

Boronizing of CoCrFeMnNi High-Entropy Alloys Using Spark Plasma Sintering

Boronizing of AISI 316L Stainless Steel Using Spark Plasma Sintering Technique

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