New method of measuring elastic and plastic strains in a surface

✍ Scribed by R.C. Good Jr.

• Publisher: Elsevier Science
• Year: 1954
• Tongue: English
• Weight: 133 KB
• Volume: 258
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/0016-0032(54)90790-5

✦ Synopsis

Many items are produced by extruding soft metals into symmetrical shapes. Their meridional planes usually exhibit plane strain during deformation. We study processes of that character by taking data from those planes (1). Because plane strain exists when the points do not move perpendicular to that plane, we can use a billet split down the center to create that plane without affecting the process. If a grid is lightly inscribed on the inner surfaces of the billet, point displacements can be measured at the shifted grid intersections.