A part coated in a protective coating forms a thermal barrier and includes a ceramic first layer. The protective coating further includes a second layer present on the first layer and including a majority by weight of a first feldspar mineral having a melting temperature higher than or equal to 1010 C. and presenting a thickness greater than or equal to 10 m.

A CMAS resistant overlay coating including at least one CMAS resistant layer, wherein the overlay coating is i. disposed over a surface of a substrate including a material susceptible to CMAS corrosion, ii. includes a metal oxide matrix and iii. has at least partially a vertical columnar structure. Moreover, at least one non-oxidized metallic constituent selected from the group of aluminum, chromium and metallic constituents including aluminum and chromium is embedded in the metal oxide matrix. Furthermore, a substrate has a CMAS resistant overlay coating at issue on a surface of a material susceptible to CMAS corrosion. A CAE process is provided for forming such a CMAS resistant overlay coating on a surface of a material susceptible to CMAS corrosion.

The present invention relates to metallic and/or ceramic components, in particular in the field of medical technology, having improved osseointegrative and osteoinductive properties. The present invention also relates to a method for producing the ceramic components.

The present invention relates to metallic and/or ceramic components, in particular in the field of medical technology, having improved osseointegrative and osteoinductive properties. The present invention also relates to a method for producing the ceramic components.

A high-temperature color glaze painting pigment includes a color glaze, white toning glaze and colorless toning glaze, wherein the color glaze consists of 50 wt % to 66 wt % high temperature resistant white glaze mineral and 50 wt % to 34 wt % water, the white toning glaze consists of 70 wt % high temperature resistant white glaze mineral and 30 wt % water, and the colorless toning glaze consists of 30 wt % high temperature resistant colorless glaze mineral and 70 wt % water, wherein the weight ratio of the color glaze to the white toning glaze is 12.5:1 to 50:1, the weight ratio of the color glaze to the colorless toning glaze is 20:1 to 100:1. The high temperature colored glaze painting pigment and a method for making a porcelain plate painting thereof can be not only manually completed by artists with their experiences, but completed by an industrial production way.

A thin-film thermocouple for measuring the temperature of a ceramic matrix composite (CMC) component comprises a first thermocouple leg and a second thermocouple leg deposited on a surface of a CMC component, where each of the first and second thermocouple legs has a length extending from a reference end to a working end thereof. The working ends of the first and second thermocouple legs are joined at a junction region on the surface. At least one of the first thermocouple leg and the second thermocouple leg comprises silicon carbide.

A thin-film thermocouple for measuring the temperature of a ceramic matrix composite (CMC) component comprises a first thermocouple leg and a second thermocouple leg deposited on a surface of a CMC component, where each of the first and second thermocouple legs has a length extending from a reference end to a working end thereof. The working ends of the first and second thermocouple legs are joined at a junction region on the surface. At least one of the first thermocouple leg and the second thermocouple leg comprises silicon carbide.

A rare earth silicate-based hermetic layer includes a thermal sprayed coating including a rare earth silicate having a hermetic microstructure. An environmental barrier coating includes a bond coat layer including silicon; and at least one rare earth silicate-based hermetic layer deposited on the bond coat layer by thermal spraying. The rare earth silicate-based hermetic layer includes a thermal sprayed coating including a rare earth silicate having a hermetic microstructure. An article for service in extreme environments may be provided with such an environmental barrier coating. A thermal spray feedstock for producing a rare earth silicate-based hermetic layer.

A rare earth silicate-based hermetic layer includes a thermal sprayed coating including a rare earth silicate having a hermetic microstructure. An environmental barrier coating includes a bond coat layer including silicon; and at least one rare earth silicate-based hermetic layer deposited on the bond coat layer by thermal spraying. The rare earth silicate-based hermetic layer includes a thermal sprayed coating including a rare earth silicate having a hermetic microstructure. An article for service in extreme environments may be provided with such an environmental barrier coating. A thermal spray feedstock for producing a rare earth silicate-based hermetic layer.

An object is to provide a thermal insulation material excellent in both thermal insulation property and mechanical strength. A thermal insulation material includes a thermal insulation layer containing silicon dioxide particles and inorganic fibers, and is excellent in both thermal insulation property and mechanical strength, because density [g/cm.sup.3] of thermal insulation layer, and a cumulative proportion R.sub.1 for a fiber length of >0 mm and <4 mm regarding inorganic fibers contained in the thermal insulation layer and a cumulative proportion R.sub.2 for a fiber length of 3 mm and <30 mm regarding inorganic fibers contained in the thermal insulation layer satisfy a relational expression (I) below, R.sub.1 and R.sub.2 being calculated according to predetermined calculation formulae when the inorganic fibers contained in the thermal insulation layer are summed up based on predetermined conditions.

[00001]$\begin{array}{cc}0.23R_1+0.24<-0.11R_2+0.53& \mathrm{Relational}\mathrm{expression}\left(I\right)\end{array}$