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Master Bond adhesives

LGC-4 Precious dental alloy
Categories: Metal; Nonferrous Metal; Precious Metal; Gold Alloy

Key Words: medical, surgical
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Physical PropertiesMetricEnglishComments
Density 12.1 - 14.1 g/cc0.437 - 0.509 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Vickers 155 - 170155 - 170soft
 220 - 275220 - 275hardened
Tensile Strength, Ultimate 480 - 510 MPa69600 - 74000 psisoft
Tensile Strength, Yield 640 - 890 MPa92800 - 129000 psihardened
 310 - 400 MPa
@Strain 0.2 %
45000 - 58000 psi
@Strain 0.2 %
soft
 555 - 830 MPa
@Strain 0.2 %
80500 - 120000 psi
@Strain 0.2 %
hardened
Elongation at Break 3.0 - 13 %3.0 - 13 %hardened
 18 - 43 %18 - 43 %soft
Modulus of Elasticity 94.0 - 106 GPa13600 - 15400 ksi
 
Thermal PropertiesMetricEnglishComments
Melting Point 770 - 1065 °C1420 - 1949 °F
Solidus 770 °C1420 °F
Liquidus 1065 °C1949 °F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 0.00 - 9.0 %0.00 - 9.0 %
Gold, Au 50 - 73 %50 - 73 %
Indium, In <= 2.0 %<= 2.0 %
Iridium, Ir <= 0.10 %<= 0.10 %
Palladium, Pd <= 1.0 %<= 1.0 %
Platinum, Pt <= 19 %<= 19 %
Rhenium, Re <= 0.10 %<= 0.10 %
Silver, Ag 8.0 - 28 %8.0 - 28 %
Zinc, Zn 6.0 - 14 %6.0 - 14 %

References for this datasheet.

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