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The two most prevalent shape-memory alloys are copper-aluminium-nickel and nickel-titanium (), but SMAs can also be created by alloying zinc, copper, gold and iron.Although iron-based and copper-based SMAs, such as Fe-Mn-Si, Cu-Zn-Al and Cu-Al-Ni, are commercially available and cheaper than NiTi, NiTi-based SMAs are preferable for most applications due to their stability and practicability [1 ...
The Society of Hispanic Professional Engineers (SHPE) was founded in Los Angeles, California in 1974 by a group of engineers employed by the city of Los Angeles. Their objective was to form a National organization of professional engineers to serve as role models in the Latino community.
Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.
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It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement. Or it may couple various parts together so that they move in unison – the primary example of this being a flexible drive to mate two shafts in order to transmit torque. Some devices use dog clutches to lock together two spinning components.
The Saltdogs were formed when the Madison Black Wolf were sold and moved to Lincoln after the 2000 season. The team was a member of the Northern League from 2001 to 2005. . After the 2005 season, the Saltdogs (along with the St. Paul Saints, Sioux City Explorers, and Sioux Falls Canaries) left the Northern League to form the American Associa
Hermit crabs are anomuran decapod crustaceans of the superfamily Paguroidea that have adapted to occupy empty scavenged mollusc shells to protect their fragile exoskeletons. [1] [2] [3] There are over 800 species of hermit crab, most of which possess an asymmetric abdomen concealed by a snug-fitting shell.
Crystallization is the process by which solids form, where the atoms or molecules are highly organized into a structure known as a crystal.Some ways by which crystals form are precipitating from a solution, freezing, or more rarely deposition directly from a gas.