Hafnium

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Description

Hafnium's physical and chemical properties closely resemble those of zirconium, which is the reason why it was discovered very late in history compared to the other elements. The combination of these properties render hafnium useless for many applications common to other metals. However, one characteristic stands out from most other elements, which is hafnium's unrivalled ability to absorb neutrons. This property makes hafnium one of the best choices for the construction of control bars to be used in nuclear reactors in order to keep them in safe operation.

This material data has been provided by Matmatch.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

Property	Temperature	Value
Density	20.0 °C	13.1 g/cm³ Show Material materials with Density of 13.1 g/cm³

Mechanical

Property	Temperature	Value
Elastic modulus	20.0 °C	141 GPa Show Material materials with Elastic modulus of 141 GPa
Hardness, Brinell	20.0 °C	1700 [-] Show Material materials with Hardness, Brinell of 1700 [-]
Poisson's ratio	20.0 °C	0.26 [-] Show Material materials with Poisson's ratio of 0.26 [-]
Tensile strength	20.0 °C	745 MPa Show Material materials with Tensile strength of 745 MPa

Thermal

Property	Temperature	Value
Melting point		2227 °C Show Material materials with Melting point of 2227 °C
Specific heat capacity	20.0 °C	146 J/(kg·K) Show Material materials with Specific heat capacity of 146 J/(kg·K)
Thermal conductivity	20.0 °C	23 W/(m·K) Show Material materials with Thermal conductivity of 23 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	3.2E-7 Ω·m Show Material materials with Electrical resistivity of 3.2E-7 Ω·m

Hafnium

Description

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Properties