、Titanium alloy valve can withstand high temperatures range

   High temperature  Sunrui titanium sheet metal  rods mainly Tilloo, IMI834, Ti6242, BT20, mainly used for aero-engine structures. To meet the special requirements of high-temperature and high-temperature creep strength, which Till00 and IMI834 the temperature up to 600 ℃.
     In order to improve the use of  titanium check valve  rod temperature, reducing the weight of the material, titanium-aluminum-based metal between sets of objects has been attracting much attention, due to the difficulty of forging, casting more suitable for forming a titanium aluminum, has a lot of engine parts, or are ready to adopt  titanium alloy sheets  material casting, the world's major engine manufacturers GE, PwA, Rolls-Roycc have asked for Ti-A1 metal compounds in-depth research, such as the United States Howmet TiAl low pressure turbine blades are studying, and used to replace the cast Inco713 leaves, using a temperature of 650-700 ℃; GE company is the Ti48A12Cr2Nb fifth stage low pressure turbine blades for the CF6-80C engine temperature up 760Y, successfully tested / 1500 analog K line cycle.

3D printing leading Chinese manufacturing rise again Titanium alloy

3D printing technology is standing on the shoulders of giants progress. 3D technology is the crystallization of a three-dimensional laser technology and computer technology is the inevitable result of the three-dimensional computer technology developed in the late 1960s and 1990s, laser technology and the rapid development of fusion development. Depending on the available material types and physical characteristics , corresponding to a different print mode and the corresponding 3D Sunrui titanium sheets printing technology .
    3D printing is not a panacea , or with traditional manufacturing "complementarity and common prosperity ." On the one hand , compared with the traditional manufacturing , 3D printing technology is the biggest feature of the manufacturing process "addition" principle, that step by step according to three-dimensional computer graphic design "stacking " of the product , such as manufacturing production to avoid the traditional production process the waste materials , raw materials can be fully utilized . 3D technology also difficult to manufacture traditional manufacturing process , especially the structure of complex products , and can even be personalized manufacturing . On the other hand , 3D printing is also drawbacks , such as 3D printing is difficult for large-scale production, printing materials is limited and expensive printing equipment , etc., is difficult to determine the 3D printing completely replace traditional manufacturing .
American Civil 3D printing industry chain gradually mature : 3D printing industry in the United States , 3DSvstems and StratasVs is the most representative companies in the 3D printer is also the world's leading companies in the field of industrial chain collaboration developed into a major commercial 3D printing industry mode. Although 3DSVstems company and the company's business structure Stratasvs not identical , but there are consistent characteristics in the collaborative development of products , 3DSvstems company in addition to 3D printing equipment, sales of 3D printing services and 3D printing materials are also two major business companies , and StratasVs company more emphasis on 3D printing equipment sales, sales of 3D printing equipment company's total revenue accounted for more than 80%, sunrui Aviation casting 3D printing service is becoming another source of operating income .
China 3D printing technology is expected to come from behind . Although China is a gap in terms of civilian series 3D printing industry chain and product presence and abroad, but in the high-end high-performance 3D printing that is difficult to build large, complex metal processing laser direct manufacturing R & D China catch up. Professor Wang Huaming Beijing University of Aeronautics and Astronautics inventive driven R & D team in the world for the first time developed a titanium complex components of 3D printing technology, making China the leading United States made ​​substantial progress in high-end printing , access to defense science and technology progress award. Professor Wang Huaming this significant research results on China , making China shortens the high-end manufacturing and foreign high-end equipment manufacturing gap may even be making the Chinese high-end equipment manufacturing to keep pace with foreign high-end equipment manufacturing technology to achieve leapfrog development.
Soldiers and civilians , " wheeled" to enhance China 3D printing development. The first area is used for personal / family entertainment or children's intellectual development and other fields . The second area is dedicated to research and development. Mainly for professional development in a variety of products, especially related to development practitioners. Developed by these professionals can engage in prototyping and 3D printing product trial . The third field is applied to the individual functional areas of relatively high demand . This area with the biggest difference is the first area of specialization , rather than entertainment . sunrui Titanium Welded Tubes The fourth main application areas is the direct field of application of manufacturing processes , such as high-end traditional manufacturing process difficult machining parts. This area for the most demanding 3D technology , materials are generally high melting point metal , corresponding to the price of the device is relatively expensive. Processing of large aircraft such as load-bearing structure , landing gear or engines, gas turbines , such as leaf discs .

How to measure the melt viscosity titanium plate titanium check valve

How to measure the melt viscosity titanium plate
Drums and surface tension of the melt is cast alloy melt important physical properties, they are directly related to the melting conditions, but also decided

plate fluid flow and an important sunrui Titanium precision castings factor in filling of titanium.
     Viscosity of titanium former Soviet scholars have conducted a lot of research was, and that the new structure of the melt, whereas in the binary

titanium plate, with the alloy to the transition from a single-phase region multiphase region, the viscosity increases several times. When the melt viscosity

was measured using a titanium crucible twist method, Sunrui Titanium Casting Manufacturer the graphite material of the crucible, and the crucible was measured in the elastic suspension with

the gold wire twisting motion. Since the graphite crucible materials contaminate the carbon component alloy, therefore measured viscosity values ​​will be

affected, but by comparing different Sunrui titanium ingot price carbon titanium viscosity liquid at different temperatures, and extrapolated to determine the titanium plate viscosity

of the melt

Amazing Secrets: Why not see F-20 rivets titanium heat pumps

After an anti- aircraft J20 appear different from the past , the whole body almost see the rivets, some people said it was because the stealth coating covers the outside , so you do not see the rivets , in fact, this is wrong. Sunrui Titanium heat exchangers F22 is using rivets , close look carefully you can see it. Why not F22 rivets completely covered with a coating to see it? This is because the skin is F22 by a piece of riveting rivets up, rivets can not cover for easy maintenance , in case you can quickly remove the rivets skin pulls off a piece , and can determine with the naked eye whether the fuselage skin cracks.
    So J20 Why not see rivets it? In fact, this and related processing technology , due to the advances in technology, a large piece of titanium alloy ingots J20 using whole body casting , extrusion and then press through a dedicated , increased density , ( the two years prior to the successful development of the machine , once media have reported that this is the aircraft fuselage presses developed specifically for J20 ) , and finally the use of CNC machine tools hollowed out , which is a ** , high-precision CNC machine tools , the entire titanium aluminum alloy castings ( diameter may up to 3 meters ) hollowed out into the shape of the aircraft fuselage , so the aircraft do not need Sunrui aerospace investment casting to cover the skin, the skin of the fuselage frame and a titanium alloy ingots are then processed , so do not see J20 rivets.
    Such a process can greatly increase the strength of the aircraft , but also improve the accuracy of processing a lot , this is a revolutionary advancement process of the aircraft fuselage . Aircraft ever built up step by step , first build a titanium alloy frame , between the frame and bolted punch , then use a rivet on the skin . These processes entirely by hand , the precision is difficult to control , and if the bolt which does not clench or aging can lead to serious disintegration of the entire aircraft , light can also cause skin cracking, so planes have to be done to test the static -destructive testing whether the aircraft design strength . And because of the introduction of new processing technology J20 , the whole body is one, to achieve the best strength to do after high air maneuvers lead to the disintegration of the body will no longer appear .
    After processing J20 in the fuselage just put on the surface of the fuselage stealth patch, we note the following diagram , J20 stealth patch is pasted a block , a bit like a submarine acoustic rubber blocks. If you later off a piece of stealth patch just paste a new on OK, so the aircraft maintenance is very easy .
    J20 of the integral processing technology sunrui titanium bicycle frames is currently the world's first application in aircraft , F35 will still rely on the rivet , not to mention the Russian T50 , 20 years ago, the process is completely , there is no fundamental and J20 comparable. So an advanced aircraft can not just look at the surface , J20 to strategic needs ( to carry large amounts of fuel to increase range and large anti-ship missiles ) and designed long body, such a body if the old conventional processing technology we rely the naked eye does not feel his body proportions , the body is too long , the body is weak at the middle of stress , where the most easily broken, but after the introduction of new technology completely eliminates this drawback . So just come out when J20 foreign aircraft design experts feel incomprehensible , but once the solution to doubt its processing will become clear.

Two conditions determine the titanium material defects control titanium valve

Like all other materials titanium, there is no guarantee non-destructive testing methods test out all the

flaws in titanium, because some sunrui titanium bicycle frames defects may be too small and some defects may use non-destructive testing

techniques can not be found, it must be made ​​on titanium parts now given a suitable defect tolerance limits.

For defects within the permissible limits of control, you must first meet the following two conditions are

running low stress; followed by the best Sunrui titanium golf clubs microstructure.
     Best microstructure of small cracks or small defects are not sensitive to prevent further expansion of

these tiny cracks and titanium defects. Passivation of the crack tip can be used, the crack away from the

plane of maximum stress and cause sunrui Titanium Artificial Joint cracks and other penny a way to stop the expansion of any large cracks.

After the adoption of these measures will reduce the stability of the fatigue crack growth rate and fracture

toughness can be improved.

Titanium tube developed for use under low temperature titanium heat pumps

Have developed a new alloy sunrui Titanium precision castings tube may be at a higher temperature to make an application of the tube compared with the low temperature high-strength titanium alloys have been developed which improve the efficiency and saving of metal and having a side greater potential, future goal is to develop a temperature can sunrui Titanium alloy valve reach 650 ℃ titanium tube, this alloy can be used for high-pressure turbine wheel, and the wheel base compared to the commonly used reduce weight by 20%.
     But with the increase of the operating temperature is bound to bring more new problems, such as surface oxidation, producing large quantities of long-term stability of metallurgy, sunrui aerospace investment castings friction and corrosion, fire danger and hot salt stress corrosion. Some problems can be solved with a surface coating or surface treatment methods, for which is currently being actively conducted research in this area.

Development of power plants in the application of titanium tube titanium pump

Power generation equipment, particularly the lower temperature side of the heat cycle , titanium provides an Sunrui titanium lngots ideal environment. Around 1957 , Cotton and Downing in the paper first raised the issue publicly , they estimate the seawater corrosion resistance of titanium in flowing seawater , the corrosion rate of 1250 to 1 meter. They are also out in this paper, titanium has a higher resistance to corrosion / erosion resistance in seawater , in the wet steam also has a high resistance to erosion , this discourse has been widely recognized .
    Since titanium tube having such properties, it has long been considered a special type which is used as a surface condenser tubes plant to cool the steam discharged from the steam turbine generator . By the late 1950s and early 1960s, it was the titanium tube sample is mounted on industrial test using sea water cooled condenser , a few years later when some of the tubes draw checks can immediately see the good appliSunrui titanium golf clubs cability of titanium . A large number of experiments show that : once the sediments dry adhesion on titanium surface is removed from the original gold gangrene year's pattern is clearly visible , undetectable corrosion scene, but these are all non- administered drill pipe , they cost more than than the copper alloy tube much higher. When the welded pipe into the market, it was immediately recognized as applicable to the condenser. Welded titanium tube again as a test sample degassing installed on the condenser section and auxiliary equipment. In 1972 , the first combined all titanium pipe manufacturing power generation equipment with a condenser and finally put into operation. Then , the rapid increase in nuclear power condenser and Sunrui titanium alloy plates thermal power plants a wide amount .