Properties and ballistic tests of strong B4C-TiB2 composites densified by gas pressure sintering

被引：12

作者：

Sciti, Diletta ^{[1
,2
]}

Failla, Simone ^{[1
,2
]}

Turan, Servet ^{[3
]}

Savaci, Umut ^{[3
]}

Galizia, Pietro ^{[1
,2
]}

机构：

[1] Natl Res Council Italy, Inst Sci Technol & Sustainabil Ceram CNR ISSMC, Via Granarolo 64, I-48018 Faenza, RA, Italy

[2] ISTEC, Via Granarolo 64, I-48018 Faenza, RA, Italy

[3] Eskisehir Tech Univ, Dept Mat Sci & Engn, Eskisehir, Turkiye

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2023年 / 43卷 / 04期

关键词：

High-energy milling; Hardness; Strength; Armour materials; Ballistic tests; MECHANICAL-PROPERTIES; BORON-CARBIDE; SILICON-CARBIDE; MICROSTRUCTURE; CERAMICS; ARMOR; PERFORMANCE; DENSIFICATION; B4C; BEHAVIOR;

D O I：

10.1016/j.jeurceramsoc.2022.11.066

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

B4C-TiB2 composites with classical 75/25 vol ratio were sintered by pressureless sintering with and without gas pressure application in the final stage of densification, using a novel prototypal furnace. A small fraction of WC was introduced through high energy milling of the starting powders with WC-Co spheres. High energy milling facilitated the densification thanks to incorporation of WC impurities acting as sintering aid, and size reduction of the starting powders. Strength, stiffness and toughness of the ceramic densified at 2050 degrees C via gas pressure sintering were even better than hot pressed composites at 1900 degrees C. Depth of Penetration tests on plates with 3-5 mm thickness demonstrated that the gas pressure sintered material had a superior performance compared to the hot pressed one. This work also revealed that hardness was not the property spotting the best ballistic performance.

引用

页码：1334 / 1342

页数：9

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