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
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
收藏
页数:5
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