Experimental approach to assess the effect of metallization on the strength of functional ceramic components

被引：14

作者：

Bermejo, Raul ^{[1
]}

Supancic, Peter ^{[1
,2
]}

Aldrian, Franz ^{[3
]}

Danzer, Robert ^{[1
,2
]}

机构：

[1] Univ Leoben, Inst Struktur & Funkt Keram, A-8700 Leoben, Austria

[2] Mat Ctr Leoben Forsch GmbH, A-8700 Leoben, Austria

[3] TDK EPC, A-8530 Deutschlandsberg, Austria

来源：

SCRIPTA MATERIALIA | 2012年 / 66卷 / 08期

关键词：

Functional ceramic components; Bending test; Fracture; Environmental brittleness; 3 BALLS TEST; RESIDUAL-STRESSES; FRACTURE; CAVITIES;

D O I：

10.1016/j.scriptamat.2011.12.029

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An experimental approach is proposed, based on localized biaxial testing of brittle samples at several locations under different environments, to quantify the effect of surface features or metallization (e.g. contacting pads or cylindrical vias) on the strength distribution of functional ceramic components. It is found that cylindrical vias can act as weak points in the design (i.e. lower strength and reliability), whereas contacting pads can raise the strength of the component acting as a protective layer against environmental degradation. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：546 / 549

页数：4

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