Chromizing of plasma nitrided AISI 1045 steel

Hakami, Ferial; Sohi, M. Heydarzadeh; Ghani, J. Rasizadeh; Ebrahimi, Mojtaba

doi:10.1016/j.tsf.2011.04.055

Cited by 27 publications

(15 citation statements)

References 8 publications

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“…How the chroming coatings protect the substrate material interests both materials academic and technological communities [1][2][3][4][5]. Literature rarely reports the systematic study on the application of chroming coatings on carbon steel, the most important material for mechanical components and their tribological performance evaluation [6].…”

Section: Introductionmentioning

confidence: 99%

Microstructural Evolution in Chroming Coatings Friction Pairs under Dry Sliding Test Conditions

Wang

Zhang

Zhou

et al. 2018

Advances in Tribology

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The microstructures of subsurface layers of 20CrMnTi steel pins against chroming and nonchroming T10 under dry sliding tests were studied by means of OM (optical microscopy), XRD (X-ray diffraction), and SEM (scanning electron microscopy). Results showed that the chroming coating strengthened the disc surface and significantly affected microstructural evolution. Three layers-the matrix, deformation layer (DL), and surface layer (SL)-formed in 20CrMnTi for the chroming T10. The matrix and deformation layer (DL) formed in 20CrMnTi for the nonchroming T10. The formation of the microstructure was considered as a result of the shear deformation.

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Section: Introductionmentioning

confidence: 99%

Microstructural Evolution in Chroming Coatings Friction Pairs under Dry Sliding Test Conditions

Wang

Zhang

Zhou

et al. 2018

Advances in Tribology

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“…2. During salt bath nitriding, two parts surface layer is formed, an outer compound layer ε-Fe2-3(N,C) and γ'-Fe4(N,C) with a nitrogen diffusion layer (α) below it [13,18,19,20,21,22].…”

Section: Results and Discussion 31 Microstructurementioning

confidence: 99%

The Influence of Salt Bath Nitriding Variables on Hardness Layer of Aisi 1045 Steel

Ghelloudj¹,

Djebaili²,

Hannachi³

et al. 2016

Acta Metall Slovaca

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The aim of this paper is to study and analyze the effects of a surface controlled salt bath nitriding on the microhardness of AISI 1045 steel. The nitriding process was implemented in the salt bath component at ten different times (from 1 h to 10 h) when the temperature was constant at (520ºC). The nitriding process repeated of other specimens at the same times, but the temperature was (580ºC).The microstructure of the surface layers was investigated by scanning electron microscopy (SEM) and optical microscopy. Hardness profiles were measured with lowload hardness testing to determine the growth of the case depth after nitriding. Microhardness testing was carried out on samples to investigate the hardness profile at the transition from the compound to the diffusion layer. The microhardness of the surface of the nitrided sample at 520ºC and 580ºC was observed in the range of 318-430 HV0.3 and 329-421 HV0.3, respectively. Experimental results showed that the nitrides ε-Fe2-3(N, C) and γ'-Fe4(N,C) present in the compound layer increase the microhardness , It also showed that the Increasing the salt bath nitriding parameters (treatment time and temperature) increases the surface hardness and hardness profile.

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“…The layer consists of Cr2N and (Cr,Fe)2N(1-x) phases. In another example, AISI 1045 steel was first nitrided with 2 µm thick compound layer and hardness of 740 HV and then chromized in powder mixtures consisting of ferrochromium, ammonium chloride and alumina at 1000 o C for 2 h [102]. Chromizing of nitrided layer resulted in formation of Cr2N chromium nitride and Fe3N iron nitrides.…”

Section: Treatments With a Chromizing Stepmentioning

confidence: 99%

Thermochemical Treatment of Metals

Czerwiński¹

2012

Heat Treatment - Conventional and Novel Applications

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Chromizing of plasma nitrided AISI 1045 steel

Cited by 27 publications

References 8 publications

Microstructural Evolution in Chroming Coatings Friction Pairs under Dry Sliding Test Conditions

Microstructural Evolution in Chroming Coatings Friction Pairs under Dry Sliding Test Conditions

The Influence of Salt Bath Nitriding Variables on Hardness Layer of Aisi 1045 Steel

Thermochemical Treatment of Metals

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