crack tip
21Liquid metal embrittlement — is a phenomenon of practical importance, where certain ductile metals experience drastic loss in tensile ductility or undergo brittle fracture when tested in the presence of specific liquid metals. Generally, a tensile stress, either externally… …
22George Rankine Irwin — Dr. George Rankin Irwin (February 26 1907 ndash; October 9 1998) was an American scientist in the field of fracture mechanics and strength of materials. He was internationally known for his study of fracture of materials. Early Life and… …
23Compact tension specimen — Schematic and dimensions of a compact tension specimen. A compact tension specimen is a notched sample and is a standard specimen in accordance with ASTM [1] and ISO [2] standards. The purpose of using a notched …
24Rail inspection — is the practice of examining rail tracks for flaws that could lead to catastrophic failures. According to the United States Federal Railroad Administration Office of Safety Analysis, [ [http://safetydata.fra.dot.gov/officeofsafety/ Federal… …
25Alan Needleman — was born in 1944 in Philadelphia, PA and is currently the Florence Pirce Grant University Professor of Mechanics of Solids and Structures at Brown University in Providence, RI. Professor Needleman received his B.S. from the University of… …
26Strain energy release rate — The strain energy release rate (or energy release rate) is the energy dissipated during fracture per unit of newly created fracture surface area. This quantity is central to fracture mechanics because the energy that must be supplied to a crack… …
27Zirconium dioxide — Zirconia redirects here. For the Sailor Moon character, see Dead Moon Circus. Chembox new Name = Zirconium dioxide ImageFile = CZ brilliant.jpg IUPACName = Zirconium dioxide; Zirconium(IV) oxide OtherNames = Zirconia; Baddeleyite Name =… …
28Earthquake — For other uses, see Earthquake (disambiguation). Global earthquake epicenters, 1963–1998 …
29Supersonic fracture — Supersonic fractures are fractures where the fracture velocity moves faster than the speed of sound in the material. This phenomenon was first discovered by scientists from the Max Planck Institute for Metals Research in Stuttgart (Markus J.… …
30George Biddell Airy — Infobox Scientist box width = 300px name = Sir George Biddell Airy, FRS image width = 240px birth date = birth date|1801|07|27 birth place = Alnwick, Northumberland, England death date = death date and age|1892|01|02|1801|07|27 death place =… …
