Synergy effect of ultrafine tungsten, silicon carbides, and graphite microadditives on the Fe-based MMCs properties using the simplex lattice design

被引：11

作者：

Feldshtein, Eugene E. ^{[1
]}

Dyachkova, Larisa N. ^{[2
]}

Adamczuk, Krzysztof ^{[1
]}

Legutko, Stanislaw ^{[3
]}

Krolczyk, Grzegorz M. ^{[4
]}

机构：

[1] Univ Zielona Gora, Fac Mech Engn, 4 Prof Z Szafrana St, PL-65516 Zielona Gora, Poland

[2] Belarusian Natl Acad Sci, Powder Met Inst, 41 Platonova St, Minsk 220005, BELARUS

[3] Poznan Univ Tech, Fac Mech Engn & Management, 3 Piotrowo St, PL-60965 Poznan, Poland

[4] Opole Univ Technol, Fac Mech Engn, 76 Proszkowska St, PL-45758 Opole, Poland

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 757卷

关键词：

Metal-matrix composites (MMCs); Carbides microadditives; Simplex lattice design; Microstructures; Mechanical properties; METAL-MATRIX COMPOSITE; MECHANICAL-PROPERTIES; REINFORCEMENT PARTICLE; WEAR-RESISTANCE; VOLUME FRACTION; BORON-CARBIDE; WC PARTICLES; EX-SITU; BEHAVIOR; ALUMINUM;

D O I：

10.1016/j.jallcom.2018.05.061

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper is focused on the analysis of the changes in the structure and properties of metal matrix composites (MMCs) based on iron (Fe) material with tungsten carbide (WC), silicon carbide (SiC) and graphite microadditives. The synergy effect of the content of different carbides and graphite on MMCs properties was investigated using the simplex lattice design method. It was found that with the addition of carbides, namely WC and SiC, the ferrite content increases from 5 to 8% in the base material to 45% and 70% respectively. Depending on the percentage and the composition of reinforcing particulates MMCs hardness may decrease up to 25% or increase up to 30% in comparison with the base material. The residual porosity changes slightly, no more than 10%, even with an increased content of carbides and graphite, and relative volume changes of samples are between -2 to +1%. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：31 / 38

页数：8

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