All data is for information only------(<---links)
	PRODUCT DATA of Terbium

Material	Terbium
Chemical Composition	100Tb

	EXPERIENCE IN PRACTICE

Equivalent Designations

Tb

	PHYSICAL PROPERTIES

Atomic Number	65
Atomic Weight	159 amu
Specific Gravity	8.3

	ELASTIC PROPERTIES

Tensile Modulus	58 GPa
Shear Modulus	22 GPa
Bulk Modulus	38.7 GPa
Poisson Ratio	0.26
Speed of Sound (longitudinal)	2620 m/s

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

0.00000115 ohm.m

	THERMAL PROPERTIES

Thermal Conductivity	11.1 W/m.K
Thermal Expansion Coefficient	10.3 μstrain/°C
Melting Range	1360 °C

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

Corrosion/Thermal

It is reasonably stable in air, but it is slowly oxidised and it reacts with cold water