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New Application of Aluminum Matrix Composites


606l aluminum composite material technology business, its manufacturing cost is moderate. At the same time, this kind of bicycle frame tubing welded into a number of related issues have been resolved, which has been put into mass production. This car has done a comprehensive test Ju and plant testing, followed by the market. Allegedly, the metal composite material as a performance car Ju. Rigid. Long life and the price is quite competitive, so use it to make the bike has been accepted and recognized. There are reports that. A bicycle manufacturing company abroad in the last 5 years of heavy metal composite material bicycle sales reached 50,000 / a much, and is constantly increasing. In addition, it is also used to manufacture aluminum matrix composite rotor disc brake bike, and it is well made of: It is reported that three countries have different health conditions of the planting materials, bike, shaft parts,[link widoczny dla zalogowanych], chain link and round warm, though tests done in 1996, people began to vote in large installations. However, as bicycle parts aluminum matrix composite brake application is still turn on the facts show that the use of aluminum matrix composites in the early stages, but its sales have reached thousands of materials deposited replace the cast iron brake rotor brake rotor. To million. Enough for about 50% of its weight: in this way also snow chains on the use of ice in Finland in the means of transport to reduce noise levels to improve transport management snow chains. Here, the use of carbide, steel and aluminum are and the purpose of improving performance, the preliminary experiment,[link widoczny dla zalogowanych], the aluminum there are some problems, has attracted the concern of the Government of Finland, based composites show unique thermodynamics and thermal diffusion and thus try to use light weight and anti-wear performance of metal composite materials, material, and its excellent formability to reduce processing costs. Drive shaft tube is compared with aluminum and steel, the aluminum compound in the use of stretching and rolling method to produce a D1 drive shaft tube made of reinforced materials can show a higher specific modulus of 6o6l aluminum composite wire Taijin , then it manufactured and excellent NVH characteristics, increasing the rigidity into a chain covers. A higher critical speed, In addition, this material so that people said to have been produced abroad, worth tens of millions of dollars in the drive shaft tube length, diameter and wall thickness design of the aluminum matrix composites owned fine chain of anti-ice cover; only in 1995,[link widoczny dla zalogowanych], greater flexibility, and easy to squeeze and welding of materials. 150t This product has been produced and sold in Finland take a shaft tube. This material is not only affordable, but the Koran market. In 1996, this product has entered the neighboring country to recover. The results show that the Al matrix composites used here at home market. Material yield strength of 37,000 pounds / inch. Railway brake elongation in the past few years, the Europeans are 3.0%, Young's modulus of l4.1 trillion pounds / inch, more than just a project, which is determined by weight than steel or relatively mild Aluminum 30% larger. And better thermal conductivity, silicon carbide reinforced cast aluminum Taijin (Huang Jinchang) composite material instead of cast iron to create a viable railway brakes. ,, F, n. . . -=. A rf, · '. j \ l, rain. Nang} f. Status of surface modification technologies, a 'j ,,-,, T-f the collapse of the bubble economy, companies have withdrawn from the new fields to be used for cutting tools,[link widoczny dla zalogowanych], punches, metal chess, cutlery, etc., membrane 』back, but the surface Modification of the field still remain strong, thick l / n ~. 3 resistance by thermal CVD, PVD system for film, surface modification techniques range from the thickness of modified layer hardness of about Hv2000 so. In order to improve the cutting of view, there are a few microns from the membrane by chemical vapor deposition (a, D), the performance, the use of T part of the nitrogen replacement of carbon by physical vapor deposition (PVD) to a few millimeters thick TICN ~ 10ram film With the increase of carbon content and hardness in a straight line on a sputtering, welding. View from the technical areas covered, in addition to semiconductor-liter, when the C / N is l, the hardness near the HV3000. Table body, electrical and magnetic properties, optical properties,[link widoczny dla zalogowanych], there are mechanical and chemical surface color from yellow to purple to gray, so that properties of membranes can also be used for the purpose of the field to wear and corrosion, heat , anti-decorative purposes. Mainly of high-temperature oxidation protection functions. Thin film coatings now in heavy cutting when the cutting tool and high-speed cutting, the knife and the recent development of diffusion osmosis status are reviewed. With a tip temperature rise, and TiN film at about 550 ℃, easily formed Tj0 the cutting decreased significantly. In order to change a thin film coating & P its heat resistance, TiN in the aluminum part of Replacement Th, wear-resistant hard coating with TIN coated membrane wear, the main form TiAIN film, so that the oxidation temperature to about 800 ℃, · 25 *

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