Indium, In

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Indium, In
Categories:	Metal; Nonferrous Metal; Indium Alloy; Pure Element
Material Notes:	Melting Point below the Sn-Pb eutectic temp (183°C) High plasticity, malleablity and ductility Extremely soft Able to wet glass, quartz and many ceramics There is a large range (~1930°C) between melting point and boiling point Good corrosion resistance to water and akalies Applications: Alloying for low temperature solders, fuses Semi-conductors Solar cells Electroplating for high-performance engine components
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Physical Properties	Original Value	Comments

Density	6.916 g/cc @Temperature 300 °C
	6.939 g/cc @Temperature 271 °C
	6.974 g/cc @Temperature 228 °C
	7.001 g/cc @Temperature 194 °C
	7.026 g/cc @Temperature 164 °C
	7.30 g/cc @Temperature 20.0 °C
Vapor Pressure	0.001013 bar @Temperature 1215 °C
	0.01013 bar @Temperature 1421 °C
	0.1013 bar @Temperature 1693 °C
	1.013 bar @Temperature 2080 °C

Chemical Properties	Original Value	Comments
K X-ray Emission Wavelength	0.512113	K-alpha, average
Spectral Line 1	4511.31
Spectral Line 2	4101.76
Spectral Line 3	3256.09
Atomic Mass	114.818	1995
Atomic Number	49
Atomic Volume	15.7
Thermal Neutron Cross Section	196 barns/atom
X-ray Absorption Edge	0.44397 Å	K
	2.93327 Å	L_I
	3.155 Å	L_II
	3.32154 Å	L_III
Covalent Radius	0.144
Electrode Potential	-0.340 V
Electronegativity	1.78	Pauling
First Ionization Energy	133
Ionic Radius	0.810 Å	Crystal Ionic Radius for Valence +3
Electrochemical Equivalent	1.4 g/A/h

Mechanical Properties	Original Value	Comments
Hardness, Brinell	0.9
Hardness, Vickers	<= 10
Tensile Strength, Ultimate	4.50 MPa	Annealed
Tensile Modulus	12.74 GPa
Compressive Strength	2.14 MPa
Poissons Ratio	0.4498
Shear Modulus	4.40 GPa	Calculated
Adhesive Bond Strength	6.00 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000 ohm-cm @Temperature -269.77 °C	Superconducting
	0.00000840 ohm-cm @Temperature 20.0 °C
	0.0000291 ohm-cm @Temperature 154 °C
	0.0000301 ohm-cm @Temperature 181 °C
	0.0000319 ohm-cm @Temperature 222 °C
	0.0000348 ohm-cm @Temperature 280 °C
Magnetic Susceptibility	1.1e-7	cgs/g
Critical Magnetic Field Strength, Oersted	279.5 - 283.5
Critical Superconducting Temperature	3.407 - 3.409 K

Thermal Properties	Original Value	Comments
Heat of Fusion	28.5 J/g
Heat of Vaporization	2022 J/g
CTE, linear	33.0 µm/m-°C @Temperature 20.0 °C
Specific Heat Capacity	0.233 J/g-°C @Temperature 25.0 °C
	0.252 J/g-°C @Temperature 127 °C
	0.254 J/g-°C @Temperature 427 °C
	0.255 J/g-°C @Temperature 327 °C
	0.256 J/g-°C @Temperature 227 °C
	0.257 J/g-°C @Temperature 156.63 °C	liquid
	0.264 J/g-°C @Temperature 156.63 °C	solid
Thermal Conductivity	83.7 W/m-K @Temperature 0.000 °C
Melting Point	156.61 °C
Boiling Point	2000 °C

Magnetic Properties	Original Value	Comments
Nuclear Spin	4.5

Component Elements Properties	Original Value	Comments
Indium, In	100 %

Descriptive Properties
CAS Number	7440-74-6

References for this datasheet.

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