Special metallurgical phenomena
Properties of copper and copper alloys

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M4640 V1 Article

Special metallurgical phenomena


Properties of copper and copper alloys

Authors : Dominique ARNAUD, Jean BARBERY, Roger BIAIS, Bernard FARGETTE, Pierre NAUDOT

Publication date: April 10, 1985 | Lire en français

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3. Special metallurgical phenomena

The development of more sophisticated products, combining added value and metal savings, will certainly become more motivating, especially for European countries that have to import it. It is against this backdrop that we briefly review several specific phenomena which, while demonstrating that copper metallurgy remains rich and dynamic, could become the basis for new advances and uses.

3.1 Superplasticity of two-phase copper alloys

The uniform elongation of a well-distributed, fine-grained α + β brass can reach 500% in hot tension, before the brass breaks into a very tapered tip; moreover, the flow stress remains low ( 30MPa...

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