Glass is one of the most popular, in-demand materials for different spheres of life. It is used in construction and finishing works, make works of applied and fine art, is used in the space industry. This is one of the affordable, simple composition of materials. The most common type that we often encounter and use products, – silicate glass.
The Oldest product of glass are beads found in excavations in Egypt, scientists believe that the discovery is more than five thousand years. Since the glass composition has changed little. The main element of the material is quartz sand (Si02) – silicate. Add soda, potash, limestone, and a few more elements.
In the industry to obtain a glass mass mixed oxides major substances is melted in a furnace. The melting temperature depends on additives that change the properties of the glass. The resulting mass is molded in several ways: making sheet glass, giving a different shape (dishes, lampshades for chandeliers, glass for hours, etc.), making blanks for the subsequent piece treatment glass blowers and more.
In the development of glassmaking made a significant contribution Lomonosov M. V., Kitaygorodsky N. I., was interested in the practical side of the question Mendeleev D. I., etc. it is Easy to give a definition of material "silicate glass". What is it? Material with amorphous-crystalline structure of the structure obtained by the melt of the mixed oxides followed by cooling.
The Main element for glass production is quartz sand, to which is added at least five ingredients in the same proportions. To the basic recipe, depending on the purpose of further use of the obtained material, additive: oxidizers, mufflers, obestochivaete, dyes, accelerators and so on. As the dyes used are oxides of metals. For example, copper will color the mass of glass in red, the iron will give a blue or yellow tint, oxides of cobalt will give blue color, and colloidal silver-yellow.
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Prepared dry mix is loaded in melting furnace, where the raw material is melted at a temperature of 1200-1600°C, at the time the process takes from 12 to 96 hours. Manufacturer of glass completed the process of rapid cooling, only under this condition, the molten glass will get all the needed qualities: transparency, mechanical strength and additional properties that are included in the process of mixing the oxides.
The Release material refers to the energy-consuming processes, and they engaged in the silicate industry. In the production of glass industry occurs in the furnaces of tunnel type with the continuous support of the set temperature. From one end of the kiln is loaded the dry mix, the output is unloaded.
In connection with wide application in various industries lime glass can be divided into types:
Lime glass has several properties, allowing it to be used in a wide range. Each of his qualities can be enhanced, therefore open additional opportunities. For example, glass coated with amalgam, serves as a mirror, and can also be used as solar panels under certain conditions.
Hygienic and practical properties of glassware are undeniable. The material has no porosity, and therefore, it does not breed bacteria, easy to clean, resistant to all food products. Bakeware from it multi-tasking: can be baked at high temperature in an oven or put in the freezer without any damage.
Material has different thickness, which determines its capabilities. Sheet, 2 mm thick, suitable for Windows. Glass for aquarium use not less than 5 mm, depending on the volume of water poured into the container. However aquarists are increasingly coming to believe that the use of an acrylic analogue is much more convenient, especially if you want capacity 500 liters and more.
The Use of laminated material (laminated) extends: bonded polymeric film to the fabric is virtually indestructible, it is safe because it does not crumbles. A hammer to break the two silicate glass with a thickness of 10 mm with a film interlayer is almost impossible. Of laminated glass made transparent bridges, facades of buildings, fences, pools and so on.
The Use of silicate-based materials finds its place in construction. They are used not only for producing Windows, but also as extra protection and a binder. Thus, the liquid glass process the blocks of the Foundation that makes them resistant to moisture, fungus, temperature fluctuations, etc.
Roll-formed translucent or opaque material is used in everyday life, made door furniture, shower cabins, facades and so on.
Lime glass properties sledujushie:
For more qualities, such as resistance to stress and mechanical damage, give the material a method of hardening. The essence of the process consists of rapid heating and then rapid cooling in a short period of time. Strength increased by 4-5 times. It is made of glass for clocks, door leaves, furniture, in-room bulkhead.
Utensils made of silicate glass and household articles are manufactured in several basic ways:
Lime glass is a favored material for many types of decoration. Distinguish between hot and cold design.
To hot are:
The Cold form of decoration.
Modern technology has allowed us to give a silicate glass added quality. Of these, the most interesting and popular are:
Smart glass: kind of material that changes its properties under the influence of external conditions. For example, under the influence of electric current the product becomes dull, when disconnecting the circuit returns to its transparent state.
Fiberglass (fiberglass): is obtained by drawing the material in a thin (measured in microns) of the thread. Of them create a sufficiently flexible material. Used for the production of fiber, insulating materials, etc.
Bleached glass: ordinary silicate glass has a greenish or grayish hue, clearly visible, if you look at the cut. As a consequence, the canvas is a little stained. To avoid this effect, in the manufacturing process are added brighteners, neutralizing unwanted color. Different from the normal material of high light transmission capacity, transmission paint without changing the color.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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