HEAT-TREATMENT OF GRANULATED VT22 ALLOY

Authors
MOISEEV VN SYSOEVA NV ERMOLOVA MI
Citation
Vn. Moiseev et al., HEAT-TREATMENT OF GRANULATED VT22 ALLOY, Metal science and heat treatment, 38(1-2), 1996, pp. 42-45
Citations number
2
Categorie Soggetti
Metallurgy & Metallurigical Engineering
Journal title
Metal science and heat treatment → ACNP
ISSN journal
00260673
Volume
38
Issue
1-2
Year of publication
1996
Pages
42 - 45
Database
ISI
SICI code
0026-0673(1996)38:1-2<42:HOGVA>2.0.ZU;2-6
Abstract
A standard regime of heat treatment has been developed for semifinishe d products of VT22 alloy manufactured by the conventional technology ( casting + deformation). However, it gives a comparatively low level of crack resistance in the case of granular technology (hot isostatic pr essing + deformation). In this connection it became necessary to refin e the regime of heat treatment of the granulated VT22 alloy. The prese nt work concerns the effect of different regimes of heat treatment on the size and shape of segregations of the alpha-phase, investigated wi th the aim of improving the crack resistance characteristics of granul ated VT22.