The study of metal alloys is a significant part of materials science.Of all the metallic alloys in use today, the alloys of iron (steel, stainless steel, cast iron, tool steel, alloy steels) make up the largest proportion both by quantity and commercial value.…
It is found as the free element in nature (often in combination with iron), and in many minerals.The free element is a metal with important industrial metal alloy uses.Manganese ions are variously colored, and are used industrially as pigments and as oxidation chemicals.…
Art medallions are an ancient art form said to have been first introduced by the Romans chiefly to display portrait effigys of noted persons such as kings, queens and the like.Most art medallions were hand cast in bronze or similar metal alloys.These art medallions were not to be worn but rather decorative and slowly found their way into monetary coinage using a struck method of casting.…
In recent years germanium has seen increasing use in precious metal alloys.In sterling silver alloys, for instance, it has been found to reduce firescale, increase tarnish resistance, and increase the alloy's response to precipitation hardening.…
The yield of c-BN is lower and substantially slower compared to diamond's synthetic route due to the complicated intermediate steps.Its insolubility in iron and other metal alloys makes it more useful for some industrial applications than diamond.…
AN Tupolev saw the practicality of metal used in aircraft.Light metal alloys were more durable than wood and held up better in the severe Russian winters.Because of this, a special commission, founded on 21 October 1922, was established at TsAGI, and after Tupolev died, bore his name.…
This is the magic mirror of many a legend.It is a special type of [mirror], composed of a special metal alloy, instead of glass.…
Impurities play an important role in the nucleation of other phase transitions.For example, the presence of foreign elements may have important effects on the mechanical and magnetic properties of metal alloys.Iron atoms in copper cause the renowned Kondo effect where the conduction electron spins form a magnetic bound state with the impurity atom.…
Chinese jaw harps may comprise multiple idiophones that are lashed together at one end and spread in a fan formation.They may be made from bamboo or a metal alloy, such as brass.Modern kouxian with three or more idiophones might be tuned to the first few tones of the minor pentatonic scale.…
Other companies began manufacturing metal balls in a variety of metals and metal alloys, including bronze.
Some of the metals that make up a white metal alloy are antimony, tin, lead, cadmium, bismuth, and zinc.Not all of these metals are found in all white metal alloys but are mixed to achieve a desired goal or need.…
The remaining surfaces of the crown are bare metal.A variety of metal alloys containing precious metals and base metals can be used.The porcelain can be color matched to the adjacent teeth or gingivae.…
In total over 40 companies joined the group when it officially formed on 23 March 1916.In the post-war era the group expanded to include almost every aircraft company and those related to it -- engine manufacturers, metal alloy companies, etc.Since this period they have often been referred to by acronym, SBAC.…
A full anneal typically results in the second most ductile state a metal can assume for metal alloy.It creates a new uniform microstructure with good dynamic properties.…
They gathered up machinery, and stocks of steel and light-metal alloys.The city was full of warehouses, and the warehouses were crammed with valuables.…Cited from Space Viking, by Henry Beam Piper
Despite the increasing popularity of contact lenses and laser corrective eye surgery, glasses remain very common, as their technology has improved.For instance, it is now possible to purchase frames made of special memory metal alloys that return to their correct shape after being bent.…
The tractors consisted of two 3-inch metal rods with a point at the end.Although they were made of steel and brass, Perkins claimed that they were made of unusual metal alloys.Perkins used his rods to cure inflammation, rheumatism and pain in the head and the face.…
Steel is a metal alloy that is composed principally of iron and carbon.
During this period he filmed a story that touched him, recording the life of Dominic Calicchio, a craftsman who made prized trumpets working out of his Hollywood home.During World War II, when brass was in short supply, he made his own metal alloy, and continued his trade in peace-time.Dempwolf filmed him every weekend for two years and the resulting film took many awards.…
Some ropes are constructed of mixtures of several fibres or use co-polymer fibres.Wire rope is made of steel or other metal alloys.Ropes have been constructed of other fibrous materials such as silk, wool, and hair, but such ropes are not generally available.…
