Strengthening of hot-worked powder steels

Author:

Yegorov Maxim S.1,Yegorova Rimma V.1,Pustovoyt Victor N.1

Affiliation:

1. Don State Technical University

Abstract

The work objective is to study the fundamental processes of forming hot-worked powder steels (HWPS) and bonding the particulate material on the existing and newly formed contact surfaces. The role of splicing is particularly great in the process of manufacturing materials under the strained conditions. Evidently, whatever the structure in the amount of the material surrounded by the former powder particle surface, the powder material properties will be determined not by the morphological structural features, but by the splice quality up to a defined level of splicing. Therefore, the study of interparticle splicing in the formation of HWPS is a crucial task of the materials technology. Thus, further processing of hot pressurized powder steels can be offered not only for forming, but to improve their mechanical properties as well.

Publisher

FSFEI HE Don State Technical University

Reference10 articles.

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3. Henrik Karlsson, Lars Nyborg, and Ola Bergman. Surface Interactions during Sintering of Water- atomized Prealloyed Steel Powder. Euro PM 2004 Powder Metallurgy World Congress& Exhibition Austria Centre, Viena, Austria, 17-21 October 2004, vol. 3, pp. 23-28.

4. Dorofeev, Y.G., Dorofeev, V.Y., Yegorov, S.N., et al. Srashchivanie na kontaktnykh poverkhnostyakh pri razlichnykh tekhnologicheskikh variantakh goryachey obrabotki davleniem poroshkovykh materialov. [Splicing at the contact surfaces at different hot working technological options of powder materials.] Powder Metallurgy, 1986, no. 10, pp. 3134 (in Russian).

5. Dorofeev, Y.G., Dorofeev, V.Y., Ivashchenko, Y.N., et al. Protsessy srashchivaniya v poroshkovykh goryacheshtampovannykh materialakh na osnove zheleza. Soobshcheniya 1–3. [Splicing processes in hot-stamped iron-based powder materials. Reports 1-3.] Powder Metallurgy, 1988, no. 6, pp. 27–32 (in Russian).

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