Tailoring the Microstructure and Properties of Reinforced FeMnAlC Composites by In-Situ TiB2-TiC-M2B Formation

被引：3

作者：

Vidilli, Andre L. ^{[1
,2
]}

Coury, Francisco G. ^{[1
,3
]}

Gonzalez, Gonzalo ^{[4
]}

Otani, Lucas B. ^{[3
]}

Amigo, Vicente ^{[2
]}

Bolfarini, Claudemiro ^{[1
,3
]}

机构：

[1] Univ Fed Sao Carlos, Grad Program Mat Sci & Engn, Rod Washington Luiz Km 235, BR-13656905 Sao Carlos, SP, Brazil

[2] Univ Politecn Valencia, Inst Tecnol Mat, Camino Vera S-N, E-46022 Valencia, Spain

[3] Univ Fed Sao Carlos, Dept Mat Engn, Rod Washington Luiz km 235, BR-13565905 Sao Carlos, SP, Brazil

[4] Univ Nacl Autonoma Mexico, Inst Invest Mat, Circuito Exterior S-N,Ciudad Univ, Mexico City 04510, Mexico

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2024年 / 55卷 / 01期

基金：

巴西圣保罗研究基金会;

关键词：

HIGH-MODULUS STEELS; MECHANICAL-PROPERTIES; MATRIX COMPOSITES; CONTROLLED SOLIDIFICATION; TIB2; MN; FE; PARTICLES; FE-TIB2; ALLOY;

D O I：

10.1007/s11661-023-07230-6

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In the present study, Ti and B were added to lightweight Fe-Mn-Al-C steels matrix with 0, 0.1, and 0.4 wt pct C in order to evaluate the in-situ formation of reinforcing particles and their influence on the properties. The compositions were tailored by thermodynamic calculations and experimentally validated. Both titanium and boron were introduced in stoichiometry proportions for TiB2 formation. The composites were processed by arc-melting followed by hot rolling and annealing. The experimental results showed that carbon plays a key role in the system since it leads to TiC and (Fe,Mn)(2)B formation and, consequently, reduction of the TiB2 fraction. The composite with the highest Ti, B, and C contents achieved the highest specific modulus value (29.5 GPa cm(3) g(-1)), with a density and modulus of elasticity of 7.09 g cm(-3) and 209.3 GPa, respectively.

引用

页码：101 / 117

页数：17

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