Hot forming of semi-finished products
Forming of zirconium and hafnium alloys

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Hot forming of semi-finished products


Forming of zirconium and hafnium alloys

Author : Alexis GAILLAC

Publication date: September 10, 2018 | Lire en français

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2. Hot forming of semi-finished products

Generally speaking, all conventional hot forming processes are potentially applicable to Zr and Hf alloys. For the purposes of this article, we will confine ourselves to the processes used in the nuclear industry to manufacture the components that make up fuel assemblies.

2.1 Forging (bars and beams)

The forging operation is common to all Zr and Hf products (tubes, bars and flat products), and enables ingots to be shaped for subsequent operations (extrusion or hot rolling).

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2.1.1 Ingot preparation...

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