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Powder metallurgy was formerly known as a lost art. Not like the stoneware clay or other materials, molding and baking skills useful and ornamental metal objects were rarely applied in the early stages of history.
The powders of metals such as gold, copper and bronze as well as many other oxides especially iron oxide powder which is used as the colors were used for ornamental purposes in pottery, used as a base for paints and inks and even cosmetics the beginning of history.gold dust has been used in several manuscripts that show in the early days. How to make the gold dust was not known, but it was possible that a lot of dust were taken by granulation after the merger of the metal. Lower break-points as well as resistance to corrosion favorite procedures, particularly in the production of gold dust.
The use of these fine particles and pigments for decorative purposes is not a real powder metallurgy, since theimportant characteristics of contemporary art are the creation and consolidation of powder in the form lasts for half to put the power and heat the heat under the melting point of its main element.
The two main techniques used to shape and consolidate the ceramic and powder metallurgy are sintering and metal injection molding. Have they made improvements to the current use of rapid manufacturing techniques that the use of metal powder. Using this method, the powder issintered in a better way but loose mechanical power can be achieved.
A much wider range of products can be achieved by working in dust rather than directly binds materials together. In the process of dissolution of the "phase rule" can be applied to all elements untouched and merged that firm and the sharing of solid and liquid phases, which may exist for specific compositions. Furthermore, the whole body liquefaction starting substance is needed for the league, then,Commander disturbing element, the temperature limitation and the removal from the manufacturing sector. Unfortunately, the management of aluminum / iron tiny particles pose major problems. Other materials that are primarily reactive using atmospheric oxygen as Tin is sintered in a unique atmosphere, or by means of temporary coatings.
Ceramic or powder metallurgy, it is likely to produce components that would disintegrate or decay. All concerns of the solid-liquid phase change can be neglected, soprocedures are softer powder forging, casting or extrusion techniques. character control of products with the use of various technologies including automatic dust, magnetic and some characteristics of these substances in conventional as spongy solid, inert, inter-metallic compounds. distinctive competitive procedures of production may be regulated strictly.
Powder metallurgy products, are currently used in wide range of activities such as automotiveaerospace applications and in power apparatus and appliances. Every year, international awards for powder metallurgy highlight the growing capacity of skills.
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