2. Manufacture of semi-finished products
Titanium-based semi-finished products consist of round bars obtained by forging, rolling or extrusion, and flat products obtained by rolling. Forging is currently the technique used to transform the ingot into a semi-finished product that can be further processed; it is therefore common to all semi-finished products.
2.1 Microstructural objectives for ingot forging
Ingot forging aims to produce bars or flats with a fine, homogeneous macrostructure and a fine, homogeneous microstructure, all free from defects.
By macrostructure, we mean the network formed by the joints of the ex-grains β. Microstructure refers to the distribution and fineness of α-phase globules. Typical defects are shrinkage remnants, β-grain joints decorated with unbroken...
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Manufacture of semi-finished products
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