What are the applications of titanium wire and titanium alloy wire?

Titanium and titanium alloy materials, as the best among metal materials, have a series of excellent properties that other metal materials can't match. Therefore, they have developed rapidly in recent years and have been rapidly and widely used in high-tech fields such as aerospace and military industry. The United States, Russia, Japan, China and other countries all over the world attach great importance to the research and development of titanium alloys, continue to develop new types of titanium alloy materials, and expand the application of titanium and titanium alloys. Due to continuous in-depth research and an increase in product series, many titanium products, such as titanium alloy wires, have also increasingly entered the fields of various civilian consumer products.
1. Classification of titanium wire
Titanium can be divided into pure titanium and ASTM B265 TA6V Titanium Plate on whether it contains alloying elements, and Titanium Threaded Forged Fitting can be divided into α titanium alloy and near α type alloy, (α + β) type alloy, and near β type according to its composition and room temperature structure. Alloy and β-type alloy. Titanium and titanium alloys can be used to prepare wires with different usage requirements according to different properties. Finished titanium and titanium alloy wires are generally in the hard state (Y) and annealed state (M).
2. Application of titanium wire
Titanium and titanium alloys have good corrosion resistance, high specific strength, non-magnetic, high biocompatibility, low impedance to ultrasonic waves, high sound transmission coefficient, hydrogen storage and better shape memory functions. The excellent characteristics of important use value have produced important applications in many fields such as aerospace, petrochemical, medical and health, automobiles, construction, and sports and leisure products.
Titanium and Gr2 Polished Titanium Wire, as an important variety of titanium material series, has made great progress in terms of output, specifications and applications. Generally speaking, titanium and titanium alloy wires refer to titanium products supplied in the form of discs, and some are supplied in the form of straight wires. As far as the diameter is concerned, the division of rods and wires is not strict and varies among countries. And in recent years, due to its continuous development, the variety is becoming more and more, which provides more options for its application in high-performance industrial supplies and consumer products.

Analysis of temperature reduction of the plate heat exchanger?

Before the supersaturated sodium aluminate liquid enters the seeding tank for decomposition, the liquid needs to be cooled in the production of alumina. The temperature of the slurry that enters the seeding tank after mixing with the refined seed meets the requirements of the decomposition process (5663℃). Aluminum hydroxide with high decomposition rate, coarse particle size and good quality. A factory uses Bayer's method to produce alumina. The original design of the sodium aluminate liquid cooling process is a plate heat exchanger and vacuum cooling in series. Later, the floating liquid in the mother liquid of the vertical plate was recovered, and the plate heat exchanger was changed and transformed to form a liquid cooling process in which the plate heat exchanger is connected in series and then connected in series with the vacuum cooling. At the same time, the temperature of the mother liquid of the riser as a cold phase for heat exchange has been greatly increased, and good conditions have been invented for reducing the steam consumption in the evaporation process. High Quality Titanium Wire
Stacked at intervals. The edges between the plates are sealed with gaskets, and the plate heat exchanger is made of thin metal plates that are corrugated while forming a narrow flow channel. The cold and hot fluids flow on both sides of the plate, and exchange heat through the metal plates. The four corners of the plate are provided with flow channel holes, which constitute a fluid distribution pipe and a collecting pipe. The two ends of the whole equipment are tightly sealed with movable end caps and fixed end caps. The gap between the plates is 26mm. astm b348 titanium bar
The main advantage of the plate heat exchanger is that when the fluid flows on the corrugated surface, it changes the flow direction from time to time, destroying the stagnation flow and forming Artificial turbulence makes the medium reach turbulent flow at a low flow rate. The heat transfer coefficient is large, the structure is compact, and the heat transfer area per unit volume is large. It has a 2501250m2 heat transfer area per cubic meter volume. It is very convenient to disassemble, clean, overhaul, increase or decrease the plate to adjust the heat transfer area, and the operation flexibility is great. Gr9 Titanium Seamless Tubes For Bike Frame
But the flow channel of the medium is narrow and easy to block. The heat dissipated by the hot phase of the plate heat exchanger is transferred to the cold phase through the corrugated metal thin plate so that the cold phase absorbs the heat and the energy is utilized. The boiling temperature is low, and the vacuum cooling is based on the relationship between the boiling temperature and pressure of the solution in a closed container. Low pressure. Under vacuum, the boiling temperature is lower than that under normal pressure. The higher the vacuum, the lower the boiling temperature.  Titanium Planar Sputtering Target
When the high-temperature sodium aluminate liquid enters the vacuum container, because its own temperature is higher than the boiling temperature under the vacuum condition, the liquid achieves the purpose of lowering the temperature while performing self-evaporation. The evaporated gas is condensed by circulating cooling water and then cooled by circulation The water circulates and the liquid is concentrated and cooled. In the vacuum cooling process, part of the self-evaporated heat is taken away with the circulating cooling water and released to the air in the circulating water tower; the other part is discharged into the air with the vacuum pump. The heat of liquid self-evaporation is not reused.

What are the common specifications of titanium screws?

What are the common specifications of titanium screws? Today: just share for you
Screws are indispensable industrial necessities in daily life: such as the smallest screws used in cameras, glasses, clocks, electronics, etc.; general screws for TVs, electrical products, musical instruments, furniture, etc.; for engineering, construction, and bridges, large screws are used, Nuts; transportation appliances, aircraft, trams, cars, etc. are used in combination with small and large screws. Screws have important tasks in the industry. As long as there is an industry on the earth, the function of screws is always important.
Products: Titanium screws, titanium bolts, Titanium Hex Nut, titanium screws
Material: TA1, TA2, TC4, Gr1, Gr2, Gr5
Specification: M4～M25×L
Standard: GBDINISO.
1. titanium metric screw: round head screws, self-tapping screws, hexagonal screws, countersunk head screws, flat head screws, square head screws, double head screws, non-standard screws, fastening screws, standard screws, flat head screws
2. titanium u bolt: external hexagon bolts, square neck bolts, semi-circular head bolts, countersunk head bolts, carriage bolts, bushing combination bolts, various instrument lathe bolts, special-shaped non-standard bolts Uses: electroplating, aluminum oxidation (anodic decomposition ), chemical industry, watch industry, medicine, breeding, electronic hardware, plastics and other industries.
3. Titanium Wing Nut, hexagonal nuts, self-locking nuts, ring nuts, knurled nuts, slotted nuts, hexagon nuts for precision machinery, and special-shaped non-standard nuts.

Characteristics of titanium tube heat exchanger

The heat exchanger is an indispensable device for heat exchange and transfer in the chemical production process. There are often some corrosive and oxidizing materials in the heat exchange, and the materials for manufacturing spiral plate heat exchangers are required to have strong corrosion resistance.

Finned titanium tube heat exchanger is also called tube fin heat exchanger. Its structural feature is that there are many fins on the outer or inner surface of the heat exchanger tube. Commonly used fins are longitudinal and horizontal. Titanium finned tube heat exchangers are used as air coolers and are widely used in industry. wide. The use of air instead of water cooling can not only be used in water-scarce areas, but also in places where there is sufficient water source, the use of air cooling has also achieved greater economic benefits. Of course, the addition of fins will increase the equipment cost, but generally when the ratio of the convective heat transfer coefficient of the two fluids exceeds 3:1, it is economically reasonable to use finned titanium tube heat exchangers. The connection between the fins and the tube surface should be tight, otherwise the contact thermal resistance at the connection is very large, affecting the heat transfer effect. Commonly used connection methods include hot sleeve, inlay, tension winding and welding. In addition, the finned tube can also be manufactured by integral rolling, integral casting, or machining. Gas heating and cooling problems are often encountered in chemical production. Because the convective heat transfer coefficient of the gas is very small, when another fluid that exchanges heat with the gas is water vapor condensation or cooling water, the gas side thermal resistance becomes the heat transfer control factor. To strengthen heat transfer at this time, it is necessary to increase the convective heat transfer area on the gas side. Fins are provided on the gas side of the heat exchange tube, which not only increases the heat transfer area on the gas side, but also enhances the degree of gas turbulence, reduces the thermal resistance on the gas side, and thus increases the gas heat transfer coefficient.

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Application characteristics of titanium alloy plates, titanium alloy rods and other titanium alloy materials in the field of aviation

Titanium alloy has excellent properties such as low density and high strength, and is an ideal aerospace structural material. At present, the application of titanium alloy in the aerospace industry has been favored by people for more and more months.

Titanium alloy has the highest tensile plasticity and can be welded in various ways. The long-term use temperature can reach up to 250 degrees Celsius. It is mainly used to manufacture various low-strength Bancun structural parts on aircraft and engines. Industrial pure titanium has good plasticity, can form various sheet stampings in the cold state, and has high corrosion resistance. The Ti5Al2.5Sn titanium alloy has a moderate room temperature tensile strength (800 ℃ 1000 MPa and good welding performance. Compared with the pure industry titanium, the new titanium alloy mainly includes various different grades of industry pure titanium and widely used Ti5Al2.5Sn Titanium alloy, industrial pure titanium room temperature tensile strength fluctuates in the range of 350 ℃ 700MPa. Ti5Al2.5Sn alloy process plasticity is slightly lower, and the thermal strength is higher, long-term working temperature can be as high as 450 ℃.

With the rapid development of cutting-edge science and technology such as aviation, aerospace, nuclear energy, etc., the requirements for materials are becoming more and more stringent. Not only are the materials for manufacturing equipment parts in these aspects resistant to corrosion, wear, and micro-vibration, but also require high resistance. temperature. It is necessary to pay attention to long-term tests. In many places, before the chemical industry applies titanium on a large scale. Under the test conditions, cooperate to check its service life and material structure. If most of the conventional structural data shows that the lack of safety (immature) results in low economic benefits, then firstly titanium and its alloys must be gradually developed, and the high-tech technology in the field of structural data has been developed in recent decades Mature other new materials. Therefore, the military sector has developed faster than the civilian sector in the application of titanium and its alloys.

In many industrial media, the rare earth and precious metals that are mainly used are often stable, or the corrosion resistance of materials such as stainless steel can only reach a certain limit. Most applications use titanium because of its low density, corrosion resistance and strength. So far. And the cost of consumption is relatively high, so the use of titanium or titanium alloys can obtain higher corrosion resistance. The creep characteristics of hard titanium when it exceeds 150T exceed aluminum and its alloys. Considering that compared with other materials, titanium alloys have unique creep characteristics under low-density conditions, and they have found the advantages of hard titanium in aircraft manufacturing and missile manufacturing. The importance of application. The earliest application of titanium and titanium alloys was in the aerospace industry. Recently, the aerospace industry is increasingly in need of high-strength and low-density materials, which has greatly promoted the development of the titanium manufacturing industry. In the early 1950s, the United States successfully applied titanium to aircraft. At that time, although the E-machine only used 1% of the structural weight of titanium, it pioneered the pioneering way of using titanium in the aviation industry. At present, titanium alloys are widely used as structural materials in many high-speed aircrafts in the world.

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What are the precautions for alkaline cleaning of titanium alloy rods?

Alkaline washing of titanium alloy rods is easy to catch fire, especially alkali washing of titanium sheets is more likely to catch fire. The chemical activity of the titanium alloy rod in the lye, when alkaline washing in the lye containing an oxidant, the overall lye temperature is too high or the local temperature is too high are the reasons for the burning of titanium. Studies have shown that due to the potential difference between the titanium and steel tools in the lye, there is a galvanic effect. When titanium and steel are in contact, galvanic current is formed, and the smaller the contact point, the greater the current and the excessive contact. The current density causes local overheating so that the titanium alloy rod often starts to burn from the contact point of these two metals.

In order to prevent and reduce the ignition of titanium alloy rods during alkaline washing, the following measures can be taken:

1. Selection of qualified alkaline washing liquid components;

2. Strictly control the temperature of lye;

3. Insulate the alkali washing frame with high-temperature resistant coating or high temperature resistant insulating gasket. For example, if a stainless steel alkaline cleaning frame is used, ceramic strips or ceramic pieces can be placed to separate the titanium material from the steel frame, which can also avoid fire.

In the alkaline washing process of titanium alloy rods, the lye is continuously taken away or evaporated by the workpiece, so it is necessary to supplement the lye and adjust it in a timely manner to keep the composition of the lye relatively stable. During alkaline washing, insoluble oxide scale slag settles on the bottom of the tank, which affects the good thermal conductivity of the tank, and the gap caused by the precipitation makes the steel tank prone to electrochemical corrosion, which greatly shortens its service life. Therefore, the sediment should be cleaned up in time. The use of a movable tank bottom to collect slag is a common method. When it is necessary to eliminate sediments, just hang the bottom of the movable tank.

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Performance analysis and main application areas of titanium forgings and titanium castings

After forging, the metal can improve its structure and mechanical properties. After hot working deformation of the casting structure, the original coarse dendrites and columnar grains are transformed into fine-grained and uniform-sized equiaxed recrystallized structures due to the deformation and recrystallization of the metal, which causes the original segregation, The compaction and welding of loosening, porosity, slag inclusion, etc., the organization becomes tighter, improving the plasticity and mechanical properties of the metal.
Generally speaking, the mechanical properties of castings are lower than those of forgings of the same material. In addition, the forging process can ensure the continuity of the metal fibre structure, keep the fibre structure of the forging consistent with the shape of the forging, and the metal flow line is complete, which can ensure that the parts have good mechanical properties and long service life. Precision dies forging and cold extrusion, Forgings produced by warm extrusion and other processes are unmatched by castings.
1. Aircraft forgings
By weight, about 85% of the components on the plane are forgings. Aircraft engine turbine disks, rear axle journals (hollow shafts), blades, wing spars, fuselage rib plates, wheel brackets, inner and outer cylinders of landing gear, etc. are all important forgings related to aircraft safety. Aircraft forgings are mostly made of precious materials such as high-strength wear-resistant and corrosion-resistant aluminium alloys, titanium alloys, and nickel-based alloys. In order to save materials and energy, aircraft forgings are mostly produced by die forging or multi-directional die forging presses. Car forging is calculated by weight, there are 1719% of forgings on the car. The general automobile is composed of 15 parts such as body, trunk, engine, front axle, rear axle, frame, gearbox, transmission shaft, steering system, etc. The characteristics of automobile forgings are complex appearance, lightweight, poor working conditions, and safety High standard. Such as crankshafts, connecting rods, camshafts used in automobile engines, front beams required for the front axle, steering knuckles, half shafts used in the rear axle, half axle bushings, transmission gears in the axle box, etc. Key forgings for the safe operation of automobiles.
2. Diesel engine forgings
The diesel engine is a kind of power machinery, it is commonly used as an engine. Take a large diesel engine as an example, the forgings used are cylinder head, main journal, crankshaft flange output shaft, connecting rod, piston rod, piston head, crosshead pin, crankshaft transmission gear, ring gear, intermediate gear and dye pump More than ten kinds of body.
3. Marine forgings
Marine forgings are divided into three categories: mainframe forgings, shafting forgings and rudder forgings. The main engine forging is the same as the diesel engine forging. Shaft forgings include thrust shaft, intermediate shaft and stern shaft. Rudder forgings include rudder stock, rudder post, rudder pin, etc.
4. Weapon forgings
Forgings occupy an extremely important position in the weapon industry. By weight, 60% of the tanks are forgings. Barrels, muzzle brakes and breech in artillery, rifled barrels and triangular bayonets in infantry weapons, rocket and submarine deep-water bomb launchers and mounts, stainless steel valve bodies for high-pressure coolers in nuclear submarines, shells, Bullets, etc. are all forged products. In addition to steel forgings, weapons are also made of other materials.
5. Petrochemical forgings
Forgings are widely used in petrochemical equipment. Such as manholes and flanges of spherical storage tanks, various tube sheets required for heat exchangers, full-forged cylinders (pressure vessels) of butt-welded flange catalytic cracking reactors, cylinder sections used in hydrogenation reactors, and fertilizers The top cover, bottom cover, head, etc. required by the equipment are all forgings.
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