Microstructure/Mechanical Properties Relationship in High-Nitrogen Steel Obtained by Electron Beam Additive Manufacturing and Conventional Casting

被引：0

作者：

Reunova, Kseniya A. ^{[1
]}

Astafurova, Elena G. ^{[1
]}

Astafurov, Sergey, V ^{[1
]}

Melnikov, Evgenii, V ^{[1
]}

Panchenko, Marina Yu ^{[1
]}

Moskvina, Valentina A. ^{[1
]}

Maier, Galina G. ^{[1
]}

Rubtsov, Valery E. ^{[1
]}

Nikonov, Sergey Yu ^{[1
]}

Kolubaev, Evgenii A. ^{[1
]}

机构：

[1] Inst Strength Phys & Mat Sci SB RAS, Tomsk 634055, Russia

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS. MATERIALS WITH MULTILEVEL HIERARCHICAL STRUCTURE AND INTELLIGENT MANUFACTURING TECHNOLOGY | 2020年 / 2310卷

关键词：

D O I：

10.1063/5.0034236

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A comparative study of the microstructure and mechanical properties of high-nitrogen steel, which was obtained by two different methods (conventional casting and electron beam additive manufacturing), was carried out. Independently on fabrication method, steel possesses two-phase structure of austenite and delta-ferrite, and the volume fractions and distribution of both phases depend on the fabrication method. Additively manufactured steel specimens have high strength characteristics and good ductility both in as-built state and after following solid-solution treatment. Despite the fact that the specimens produced by different methods possess different microstructure (coarse delta-ferrite and austenite grains in cast and solution-treated specimens and dendritic delta-ferrite/austenite microstructure in as-build specimens) their mechanical properties are very similar.

引用

页数：5

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