A new technique for viewing deformation zones at crack tips

Autor:	D. Hoeppner, D. E. Pettit, V. Danford
Rok vydání:	1971
Předmět:	Materials science Mechanics of Materials Optical distortion Mechanical Engineering Distortion mental disorders Solid mechanics Aerospace Engineering Composite material Deformation (meteorology)
Zdroj:	Experimental Mechanics. 11:280-283
ISSN:	1741-2765 0014-4851
DOI:	10.1007/bf02329040
Popis:	A new technique has been developed to examine and view the deformation zone that occurs at a crack tip during loading. The technique, referred to as the “image-distortion technique”, is based on the optical distortion that results on a highly polished surface ahead of a crack when it is strained. The “image distortion” is a direct result of the thickness change occurring at the crack tip. While the technique was developed using monotonic loading, it is believed that it also will be applicable to cyclic-loading crack-tip studies. Additional studies are underway that will yield strain fields at the crack tip from the observed images of the deformation zones.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::6a32c705021a5a1909bcadb5c1fe5807 https://doi.org/10.1007/bf02329040 Zobrazit plný text záznamu Full text from SpringerLink