Diffusion chromizing of steel plate

Dubinin, G. N.; Saperov, V. P.

doi:10.1007/bf00648299

Cited by 1 publication

(5 citation statements)

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“…4a. Layer microstructure X-ray diffraction phase analysis of the surface of chromized layers made from X210Cr12 tool steel revealed the presence of the (Cr, Fe) 7 C 3 type carbide, as well as traces of the (Cr, Fe) 2 N nitride, similarly to what has been reported in other publications, [3,5,6].…”

Section: Resultssupporting

confidence: 85%

“…39 wt.% Fe. The carbon content remained constant at about 8 wt.% C, similar to the content of carbon in the type (Cr, Fe) 7 C 3 carbide, which is 9 wt.%, [1,5]. Fig.…”

Section: Resultssupporting

confidence: 60%

“…Diffusion chromizing of X210Cr12 tool steel by the traditional pack method enabled the formation of layers composed of the (Cr, Fe) 7 C 3 chromium carbide, containing trace amounts of the (Cr, Fe) 2 N nitride, similarly to other known diffusion chromizing methods in which chromium halogens served as process activators, [5,8].…”

Section: Discussionmentioning

confidence: 99%

“…ammonium chloride), and a ceramic filler (e.g. kaolin) preventing sintering of the powder at high temperature, [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

“…The diffusion chromizing processes are carried out at temperatures within the range of 900 -1100°C and times up to even 10 h, [1][2][3][4][5]. The chromized carbide layers (the CrC type carbide layer) are formed in the diffusion chromizing process on the surface of steels with a high carbon content.…”

Section: Introductionmentioning

confidence: 99%

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Archives of Metallurgy and Materials

Kasprzycka¹,

Bogdański²

2019

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The objective of the research in this work was the modification of structure of carbide-type chromized layers, by the combination of diffusion chromizing with subsequent PVD treatment, consisting of chromium nitride deposition, carried out to improve their tribological properties. As a result, hybrid layers on the surface of tool steel were obtained. For comparison, the properties of single chromized carbide layers obtained in a diffusion chromizing process were tested. Investigations of layer microstructure, their mechanical properties, surface topography, adhesion of layers to the steel substrate, as well as tribological properties were conducted. The layer microstructure was characterized by X-ray diffraction and scanning electron microscopy. Topography of the layer surface was studied by an optical profilometer. The scratch test for investigations of layers adhesion to the steel substrate was used. Testing of tribological properties (linear wear) of the layers was performed by the three-cylinder-cone method. It was shown, that hybrid layers are characterized by a significantly smaller surface roughness than that of chromized carbide layers and their wear resistance improved almost twice with respect to carbide layers.

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Section: Resultssupporting

confidence: 85%

“…39 wt.% Fe. The carbon content remained constant at about 8 wt.% C, similar to the content of carbon in the type (Cr, Fe) 7 C 3 carbide, which is 9 wt.%, [1,5]. Fig.…”

Section: Resultssupporting

confidence: 60%

Section: Discussionmentioning

confidence: 99%

“…ammonium chloride), and a ceramic filler (e.g. kaolin) preventing sintering of the powder at high temperature, [5][6][7].…”

Section: Introductionmentioning

confidence: 99%