Phone:   +49 (0) 5971 - 4010179

E-mail:    sales@surfacenet.de

Feedback

Stock List Crystals & Substrates

Stock List Targets

Production program

Fluoridic ceramics

CaF₂, BaF₂, MgF₂, NaF

Sulfidic ceramics

Al₂S₃, CaS, CeS, Ce₂S₃, LaS, SrS, ZnS (also doped)

Selenide ceramic

ZnSe

Oxide ceramics

Al₂O₃, BaZrO₃, cordierite, rare earth oxides,
MgAl₂O₄, Y₂O₃, SnO₂, ZrO₂, stabilized with CaO, MgO, Y₂O₃

Nitride ceramics

AlN, BN, Si₃N₄, Si₃Al₃O₃N₅

Applications

· containers for special melts
· protective tubes and caps for temperature measurement
· optical and electrical function parts
· getters
· nuclear-physical studies
· thermal insulation
· functional parts for sensors

Typical products

· tubes and crucibles
· cylinders, blocks and other formed sintered parts
· sputter targets
· pellets for electron-beam and thermal evaporation

AlN

· very high thermal conductivity
· exceptional stability to many molten metals
· thermal shock resistant
· thermocouple protection tubes for aluminum melts

Al₂O₃

· pure dense and fine alumina
· for wear resistant and insulating parts and laboratory ware
· (thin wall crucibles for thermal analysis)

BN (hexagonal, turbostratic )

· very low wetability of many melts
· high resistance to thermal shock
· good dielectric properties

BaZrO₃

· thermocouple protection tubes for aluminum melts
· especially suitable for YBCO
· high application temperature

CaO

· very high thermodynamically stability
· for Pt-, Pd-and many other melts
· sensitive to air and humidity

CaF₂

· good alkali resistance
· resistant vs. melts with high oxygen affinity
· pure F` - ion conductor

Si₃Al₃O₃N₅

· high creep strength
· very good thermal shock resistance
· chemical resistant vs. many molten metals

Y₂O₃

· maximum use temperature 2200 °C in oxidizing and reduzing atmosphere
· high specific resistance
· high strenth at elevated temperatures
· low corrosion in titanium melts

t-ZrO₂ (Y₂O₃ - part. stab.)

· very high abrasion resistance
· excellent fracture toughness
· very high bending strength and hardness

c-ZrO₂ (CaO - full stab.)

· for operatings in oxidizing and reduzing atmosphere up to 2400 °C
· solid electrolyte material
· low thermal conductivity

c-ZrO₂ (Y₂O₃ - full stab.)

· for operatings in oxidizing and reduzing atmosphere up to 2300 °C
· electrical conducting at high temperatures
· suitable for YBCO - superconducting applications

 

 Up