Double layer SiO2/Al2O3 high emissivity coatings on stainless steel substrates using simple spray deposition system

Sprayable reduced graphene oxide based high‐temperature solar absorber coatings for concentrated solar power applications

“…The α and ε values were measured at four different portions and the average values are reported. The details of these measurements are reported in detail elsewhere 1,31 . The adhesion of the coatings before and after the heat treatment was studied using a cross‐hatch tester as per the ASTM standards (D3359).…”

“…The details of these measurements are reported in detail elsewhere. 1,31 The adhesion of the coatings before…”

Microstructure, radiative property and thermal shock behavior of TaSi2–SiO2-borosilicate glass coating for fibrous ZrO2 ceramic insulation

“…This indicates that the emissivity of an object can be indirectly obtained by measuring its absorptivity. For a uniform and isotropic opaque surface in thermal equilibrium, the transmissivity is zero, and the relationship between the emissivity and the reflectivity is: ε= A=1 -R [11,13,14,54]. groups [61].…”

“…Thus, a high emissivity coating must be designed and prepared on the fibrous ZrO 2 ceramic insulation substrate. Until now, several high emissivity coatings have been developed for the application of thermal protective systems [10,11], thermal furnaces [12] and other high-temperature processing units for the purposes of energy savings [13,14], such as SiC and SiC based composites [6,[15][16][17][18], rare-earth oxides [7,10,[19][20][21], refractory metal silicides [22], transition metal oxides [23,24], cordierite structure systems [25,26], perovskite-type systems [13,27,28], magnetoplumbite structure systems [29][30][31][32] and metallic systems [33,34]. In addition to the pursuit of high M A N U S C R I P T A C C E P T E D ACCEPTED MANUSCRIPT 5 emissivity, other properties such as thermal shock resistance and oxidation resistance, should also be considered when high emissivity coatings are used at high temperatures.…”

Thermal shock behavior and infrared radiation property of integrative insulations consisting of MoSi2/borosilicate glass coating and fibrous ZrO2 ceramic substrate

“…In general, the formation of a high-emissivity coating is attained by mixing highemissivity additives and a binder. Several systems of high-emissivity coatings have been developed, such as carbide and carbon systems (SiC [5][6][7][8][9][10], AlPO 4 -C [11]), spinel structure systems (Fe-Mn [12], Ni-Cr [13,14], Al-Si [15]), cordierite structure systems (Mg-Al-Si [16,17]), rare-earth oxide systems (CeO 2 [18][19][20][21], Sm 2 O 3 [4,22,23]) and perovskite-type systems [24,25]. However, these systems were focused on the range of 873-1273 K. Recently, significant attention has been focused on MoSi 2 because of its high melting point (2293 K), low density (6.24 g/cm 3 ), excellent high-temperature oxidation resistance [26,27] and high emissivity [28].…”