Novel in situ synthesized zirconium matrix composites reinforced with ZrC particles

被引：26

作者：

She, Jia ^{[1
]}

Zhan, Yongzhong ^{[1
]}

Li, Chunliu ^{[1
]}

机构：

[1] Guangxi Univ, Minist Educ, Key Lab Nonferrous Met Mat & New Proc Technol, Nanning 530004, Guangxi, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2010年 / 527卷 / 23期

基金：

中国国家自然科学基金;

关键词：

In situ; Zirconium; ZrC; Microstructure; Compressive properties; TENSILE PROPERTIES; TEMPERATURE; ALLOYS; WEAR; ZIRCALOY-4; OXIDATION; BEHAVIOR;

D O I：

10.1016/j.msea.2010.06.067

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In the present work, novel zirconium (Zr) matrix composites reinforced by ZrC particles were prepared though the synthesis reaction from Zr and C with non-consumable vacuum arc melting. Microstructural observation indicates that the ZrC reinforcement grows in dendritic and near equiaxed shapes. The solute atom aluminum (Al) was added into the in situ ZrC/Zr composites and the ZrC reinforcement was refined. The results of room temperature compressive test show that the composites exhibit significant increase of Young's modulus and higher ultimate compressive strength (UCS) than the Zr sample, which can be attributed to the presence of ZrC and the solute atom Al in the Zr matrix. It is implied from the fractography that modification of the shape and interface of the in situ ZrC particles improve the mechanical properties of the Zr matrix composites. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：6454 / 6458

页数：5

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