Effects of yttria stabilized zirconia (3Y-TZP) percentages on the ZTA dynamic mechanical properties

被引：23

作者：

Arab, Ali ^{[1
,2
]}

Ahmad, Zainal Arifin ^{[2
]}

Ahmad, Roslan ^{[1
]}

机构：

[1] Univ Sains Malaysia, Sch Mech Engn, Nibong Tebal 14300, Penang, Malaysia

[2] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Struct Mat Niche Area, Nibong Tebal 14300, Penang, Malaysia

来源：

INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS | 2015年 / 50卷

关键词：

ZTA; SHPB; Dynamic mechanical properties; Fracture toughness; Hardness; SILICON-CARBIDE; FRACTURE-TOUGHNESS; BRITTLE SOLIDS; STRAIN RATES; STRENGTH; CERAMICS; COMPOSITES; BEHAVIOR; COMPRESSION; FAILURE;

D O I：

10.1016/j.ijrmhm.2015.01.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ceramics materials are extensively used in armor applications. Various parameters were considered for selecting the most suitable ceramic materials such as hardness, fracture toughness, and dynamic properties. However, better understanding of the dynamic properties i.e., hardness and toughness required deep insight so as to predict mechanical behavior of ceramic subjected to dynamic loadings. In this paper, these properties were investigated by using different amounts of 3Y-TZP (10-40 wt%) in zirconia toughened alumina (ZTA) for the purpose of evaluating the relationship between the strength, hardness and fracture toughness of dynamically loaded ceramics. The highest dynamic strength of 4.9 GPa was obtained with the combination of ZTA with 20 wt.% of 3Y-TZP. In addition, the composition also had better hardness and fracture toughness responses in comparison with others. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：157 / 162

页数：6

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