Process for the production of prestressed steels and its named p

Details Process for the production of prestressed steels and its named p Process for the production of prestressed steels and its named p

1993-01-12

1994-10-25

Yee, Deborah

Metal treatment

Stock

Ferrous

148538, 148654, 148653, C21D 800

Patent

active

053585780

ABSTRACT:
In a process for producing high-strength, corrosion-resistant and brittle fracture-resistant prestressing steels, there is a fine grain and/or solid solution and/or particle or precipitation hardening, linked with a thermodynamic treatment and subsequent strain hardening. As strengthening measures are used both a solid solution, fine grain and particle or precipitation hardening with a substantially additive effect. The thermomechanical treatment is performed by a controlled rolling of microalloyed, fine grain-melted steels, whilst excluding martensite formation.

REFERENCES:
patent: 4662950 (1987-05-01), Abrams
patent: 4671827 (1987-06-01), Thomas et al.
Tanaka et al "Three Stages of the Controlled Rolling Process" Micro Alloying 75 1975 pp. 88-99.

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