Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Environmentally Enhanced Crack Growth
This chapter reviews environmentally enhanced crack growth behavior in glass and ceramic materials. For most materials, environmentally enhanced crack growth is a reaction between an external molecule and the strained bonds at a crack tip. Almost all glasses and ceramics held under a constant tensile stress in water‐containing environments can fail after a period of time. The time to failure is inversely proportional to the applied stress and this phenomenon has been termed “delayed failure,” “static fatigue,” or “stress corrosion.” Observation of stress corrosion in glasses shows that there are a few regions of crack growth above the threshold limit and the chapter explains these regions in detail. The behavior of glasses and ceramics is in many ways similar to stress corrosion in metals, but the mechanisms can be quite different. The chapter briefly describes mechanisms of environmentally enhanced crack growth.
Environmentally Enhanced Crack Growth
This chapter reviews environmentally enhanced crack growth behavior in glass and ceramic materials. For most materials, environmentally enhanced crack growth is a reaction between an external molecule and the strained bonds at a crack tip. Almost all glasses and ceramics held under a constant tensile stress in water‐containing environments can fail after a period of time. The time to failure is inversely proportional to the applied stress and this phenomenon has been termed “delayed failure,” “static fatigue,” or “stress corrosion.” Observation of stress corrosion in glasses shows that there are a few regions of crack growth above the threshold limit and the chapter explains these regions in detail. The behavior of glasses and ceramics is in many ways similar to stress corrosion in metals, but the mechanisms can be quite different. The chapter briefly describes mechanisms of environmentally enhanced crack growth.
Environmentally Enhanced Crack Growth
Freiman, Stephen W. (Autor:in) / Mecholsky, John J. Jr. (Autor:in)
14.12.2018
14 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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