Adhesion and interfacial fracture toughness between hard and soft materials

被引：28

作者：

Rahbar, Nima ^{[2
]}

Wolf, Kurt ^{[4
]}

Orana, Argjenta ^{[4
]}

Fennimore, Roy ^{[4
]}

Zong, Zong ^{[1
,3
]}

Meng, Juan ^{[1
,3
]}

Papandreou, George ^{[4
]}

Maryanoff, Cynthia ^{[4
]}

Soboyejo, Wole ^{[1
,3
]}

机构：

[1] Princeton Univ, Princeton Inst Sci & Technol Mat PRISM, Princeton, NJ 08544 USA

[2] Univ Massachusetts Dartmouth, Dept Civil & Environm Engn, N Dartmouth, MA 02747 USA

[3] Princeton Univ, Dept Mech & Aerosp Engn, Princeton, NJ 08544 USA

[4] A Johnson & Johnson Co, Cordis Corp, Spring House, PA 19446 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2008年 / 104卷 / 10期

基金：

美国国家科学基金会;

关键词：

adhesion; discs (structures); fracture toughness; stainless steel; surface energy;

D O I：

10.1063/1.3021350

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

This paper presents the results of a combined experimental and theoretical study of adhesion between hard and soft layers that are relevant to medical devices such as drug-eluting stents and semiconductor applications. Brazil disk specimens were used to measure the interfacial fracture energies between model parylene C and 316L stainless steel over a wide range of mode mixities. The trends in the overall fracture energies are predicted using a combination of adhesion theories and fracture mechanics concepts. The measured interfacial fracture energies are shown to be in good agreement with the predictions.

引用

页数：5

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