W

Tungsten

Z = 74 · Transition Metal · 183.8 u

Nuclear Engineering Significance

Primary shielding and structural material candidate for fusion reactor first-wall and divertor applications due to its high melting point and high-Z gamma shielding. Thermal absorption (σ_a = 18.3 b) is moderate. Tungsten is used in gamma-ray shielding and some specialized fission reactor shielding applications.

Basic properties

Atomic number (Z)
74
Standard atomic mass
183.8 u
Category
Transition Metal

Isotopes & cross-section data

IsotopeMass (A)Half-lifeZAIDLibraries
W-182182Stable
.80c.71c.70c
W-183183Stable
.80c.71c.70c
W-184184Stable
.80c.71c.70c
W-186186Stable
.80c.71c.70c
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