An investigation of different ceramic coating thermal properties

Salman, Serdar; Köse, Ramazan; Urtekin, Levent; Fındık, Fehim

doi:10.1016/j.matdes.2004.12.010

Cited by 64 publications

(23 citation statements)

References 23 publications

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“…The bond coat increases the strength of coatings and using of the bond coat on the substrate has a positive effect on mechanical performance of coatings. The bonding strength of a ceramic coating with a bonding coating is higher than that without a bonding coating [13,25]. The adhesion strength between the substrate and the ceramic coating could be improved by a NiAl bonding coating [25].…”

Section: Mechanical Propertiesmentioning

confidence: 99%

An evaluation of plasma-sprayed coatings based on Al2O3 and Al2O3–13wt.% TiO2 with bond coat on pure titanium substrate

Yılmaz

2009

Ceramics International

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Section: Mechanical Propertiesmentioning

confidence: 99%

An evaluation of plasma-sprayed coatings based on Al2O3 and Al2O3–13wt.% TiO2 with bond coat on pure titanium substrate

Yılmaz

2009

Ceramics International

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“…Life cycle of coatings can be easily measure by wear tests. Thus, the complex parts can be produced for a lower cost owing to the design flexibility of the soft materials [12][13][14][15][16][17][18][19][20]. In this study, 8 wt.% Y2O3 stabilized zirconia powders (YSZ) were coated onto T6 heat treated aluminum alloys surface with plasma spraying method and the wear resistance values of these coated samples were compared with the uncoated ones.…”

Section: Introductionmentioning

confidence: 99%

Friction and Wear Properties of Plasma Sprayed YSZ/Ni-Cr-Al Coated 6063-T6 Aluminum Alloy

Erzi

Dışpınar

Yılmaz

2017

Archives of Foundry Engineering

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In this study T6 heat treated 6063 aluminum alloys were used as substrate material. In order to form a bond between the substrate and the main coating, all samples were coated with Ni-Cr-Al powders. 8 wt% Yttria Stabilized Zirconia powders (YSZ) were coated with plasma spray technique. Thickness of YSZ was 150 m and bond coating was 36 m. XRD and SEM-EDS analyses were performed to characterize the coating layers. These YSZ coated and uncoated samples were subjected to wear testing under different spindle speed, loading and working distance. Wear test results were compared with the kinetic friction coefficients and weight loss values. Wear marks on YSZ coated and uncoated samples were investigated by SEM analysis. By coating with plasma spray technique, the wear resistance of Al alloys was increased without changing the friction coefficient. It was found that spindle speed had significant effect over the wear properties than the load applied. By YSZ coating, wear properties were increased 10 times.

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“…M. H. Korkut et al 4 TiO 5 phase and as a result the microhardness value was found to be 3 to 4.5 times higher than that of SAE 1040 steel substrate materials due to a decrease in pore content when the TiO 2 powder rate increased in the composition. S. Salman et al 6 investigated the thermal shock resistance of various ceramic oxides coated on a cast iron substrate and found that zirconia coated samples deformed at 1040°C after 37 s when compared to Cr 2 O 3 which deformed at 960°C after 33 s. It was concluded that the Al 2 O 3 coated specimen has less thermal shock resistance since it deformed at 920°C in 31 s.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the wear behaviour of an AISI 1040 forged steel shaft with plasma-spray ceramic-oxide coatings for sugar-cane mills

Rajarathnam¹,

Jayaraman²

2017

Mater. Tehnol.

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In this investigation, ceramic oxide powders, alumina, titania, chromia, alumina-titania, alumina-chromia and titania-chromia, were coated for a thickness of 200 μm on an AISI 1040 forged steel substrate by means of an atmospheric plasma spraying method. Ni-Cr was used as an intermediate bond coat of thickness 20 μm over the substrate to improve the coating adhesion. Pin-on-disc apparatus was employed for a dry wear test as per the American Society for Testing and Materials G99 standards for a constant load of 10 N, at different sliding distances of 1000 m, 2000 m and 3000 m, respectively. The investigation shows that the microstructure, coating thickness, porosity, surface roughness and hardness influence the wear rate. Before and after the wear tests, surface roughness measurements were carried out by using a talysurf instrument on the specimens. It is shown that the highest value (20.89 μm) was obtained for the coating of alumina-titania. The practical results show that the pure chromia coated specimen has a very good wear-resistance property compared to the ceramic oxides. This suggests that surface coating with pure chromia on the top mill roll shaft of sugar industries enhanced the wear resistance. Keywords: alumina, titania, chromia, atmospheric plasma spray, pin-on-disc, wear, Talysurf profilometer V raziskavi so bili oksidni pra{ki: glinica, titan, krom, aluminijev oksid, aluminij-krom, prevle~eni z 200 μm na AISI 1040 podlago kovanega jekla z metodo napr{evanja s plazmo. Ni-Cr smo uporabili kot vmesni vezni premaz z debelino 20 μm nad podlago za izbolj{anje oprijemljivosti prevleke. Pin-on-disk aparat je bila uporabljen za preskus suhe obrabe, v skladu s standardi G99 Ameri{kega zdru`enja za testiranje in materiale, s konstantno obremenitvijo 10 N, na razli~nih drsnih razdaljah 1000 m, 2000 m in 3000 m. Preiskava je pokazala, da so mikrostruktura, debelina prevleke, poroznost, povr{inska hrapavost in trdota vplivali na stopnjo obrabe. Pred in po testih obrabe, so bile meritve vzorcev povr{inske hrapavosti izvedene z uporabo Talysurf instrumenta. Izkazalo se je, da je najve~ja vrednost (20,89 μm), pridobljena s prevleko iz aluminijevega oksida-titanovega dioksida. Prakti~ni rezultati ka`ejo, da ima s~istim kromom prevle~en vzorec zelo dobro odpornost na obrabo kot tisti s kerami~nimi oksidi. Ka`e, da povr{inska prevleka s~istim kromom na zgornji gredi mlina v sladkorni industriji pove~a odpornost proti obrabi.

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An investigation of different ceramic coating thermal properties

Cited by 64 publications

References 23 publications

An evaluation of plasma-sprayed coatings based on Al2O3 and Al2O3–13wt.% TiO2 with bond coat on pure titanium substrate

An evaluation of plasma-sprayed coatings based on Al2O3 and Al2O3–13wt.% TiO2 with bond coat on pure titanium substrate

Friction and Wear Properties of Plasma Sprayed YSZ/Ni-Cr-Al Coated 6063-T6 Aluminum Alloy

Investigation of the wear behaviour of an AISI 1040 forged steel shaft with plasma-spray ceramic-oxide coatings for sugar-cane mills

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