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Чӣ тавр тирезаи шишавии мозаикии ранга? Чӣ гуна шишаи ранга ранг карда шудааст


Чӣ тавр тирезаи шишавии мозаикии ранга? Чӣ гуна шишаи ранга ранг карда шудааст

Glass is a kind of inorganic nonmetal material which is widely used and widely used at present. It can be used in the fields of architecture, daily use, art, instrument and so on. Besides the commonly used toughened glass and printing glass, there are also optical glass, dimming glass and other types with high technical requirements. In this article, we will introduce how to make the church color mosaic glass,It also emphasizes how colored glass is dyed

1、 Чӣ тавр тирезаи шишавии мозаикии ранга

аввал, you need to draw a small sketch of the windowusually a watercolor paintingfor confirmation by the customer. Then, draw a full-scale drawing or base drawing to show the shape, color and position of the lead used to fix the glass. Then, take the pattern from the base image, place it on the colored window glass or white glass, and then cut the pattern,The image may be drawn on a part of the glass and baked in the kiln to blend the pattern with the glass

The glass is then embedded in the lead channel (яъне. lead lattice), and then the joint is welded. The glass sealed with lead is assembled in blocks for easy handling. After that, each piece of glass is installed on the iron fence or support frame of the window. The geometric pattern formed by the lead bar and bracket is part of the overall design of the window

Имрӯз, there are three kinds of common processes on the market: welding line, color drawing and inlay. The metal strip used for inlaying can be divided into zinc bar inlay, copper bar inlay and lead inlay! Дар Илова, there are electroplating black bar inlay, electroplating white strip inlay, electroplating gold bar inlay, ва ғайра. You can understand that the same pattern can have different process methods, if there is no real touch product,Of course, there are more crafts can also make the same pattern, each has its own advantages and disadvantages, to see their own needs, as well as products

Actual demand, foreign customers usually demand more lead, domestic zinc, copper based

2、 Чӣ гуна шишаи ранга ранг карда шудааст
(1) ion coloringшишаCompounds with transition elements such as cobalt (CO), manganese (MN), nickel (Ni), iron (FE), copper (бо) and other transition elements exist in glass as ions. Due to the transition of valence electrons between different energy levels (ground state and excited state), they can selectively absorb visible light and color, such as cobalt blue, manganese violet, nickel green and so on

(2) compound colloidal particles coloring. It is a compound (such as CDs, CdSe, ва ѓайра) added with sulfur or selenium to the glass containing zinc (ZnO) to form CDO, ZnS, ZnSe in the glass, and then heat-treated twice below the annealing temperature to form CDs, CdSe and grow into larger colloidal particles. The glass is colored by light scattering, such as selenium red, cadmium yellow and other color glasses

(3) coloring of metallic colloidal particles. It is to add oxides (such as gold, silver, copper and other oxides) which are easy to decompose into metal states into glass raw materials, dissolve in the glass in ionic state, transform into atomic state after heat treatment, and aggregate and grow into colloidal particles. They are colored due to the absorption of visible light caused by light scattering, such as gold red, copper red, silver yellow, ва ғайра

When the color of the red and Se CDs is different from that of the black, the absorption peaks of these two kinds of CDSS are different,According to the theory of semiconductor energy band, the valence electrons of these anions can be excited to the conduction band (excited state) with lower energy (near visible light), so that the shortwave limit of these anions can enter the visible light region and lead to glass coloring


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