remanium® star CL


Il remanium® star CL è una lega CoCrW per la produzione di strutture metalliche attraverso il processo di fusione laser selettiva ed è approvato per l’utilizzo con macchine di fusione laser selettiva dell’azienda Concept Laser GmbH.

E' un materiale particolarmente adatto per corone e ponti, scheletrati per metallo ceramica, strutture primarie e secondarie per protesi.

Mechanical Properties Test Method As Built Heat Treated
Tensile strength ISO 6892-1:2009(B) Annex D 1170 ± 20 MPa 1030 MPa
Yield Strength (Rp 0.2%) ISO 6892-1:2009(B) Annex D 840 ± 20 MPa 635 MPa
Elongation at Break ISO 6892-1:2009(B) Annex D 12 ± 2% 10%
Young’s modulus - 230 GPa 230 GPa
Melting range - 1320 - 1420°C 1320 - 1420°C
Thermal Properties Test Method As Built Heat Treated
Coefficient of thermal expansion TEC (25-500°C) - 14,1 x 10-6K-1 -
Other Properties  
Metal- ceramic bond strength acc. to EN ISO 9693, 3-Pt.- bending test (min. 25 MPa acc. to EN ISO 9693) 40 MPa (Carmen CCS, Dentaurum)
MBiocompatibility, L 929-Proliferation acc. to EN ISO 10993-5, -12, ISO 9363-1, LM SOP 4-06-01 No deliberation of cell toxic active substances
Corrosion resistance, static immersion test acc. to EN ISO 10271 (max. 200 µg/cm2 x 7d acc. to EN ISO 22674) Ion release 3,5 µg/cm2 x 7d
Chemical Composition and Physical Properties    
Chemical composition Co
Cr
W
Si
Mn, N, Nb, Fe
Free from nickel, beryllium and gallium
60,5%
28%
9%
1,5%
<1 %
Physical Properties Relative density Approx. 99,99 %
  Density 8,60 g/cm3
Heat Treatment Temperature Time (h) Atmosphere
Stress Relief RT - 1150°C 3 Argon
  1150°C 1 Argon
  1150°C - RT - Argon