One. Our country defense industry uses the titanium situation? Both in the United States and Russia, its titanium is mainly used in aircraft manufacturing and shipbuilding. In recent years, these two areas in our country develops very fast, there have been new aircraft production, the research of the project is very much also, estimates that these two areas with titanium quantity will increase significantly, and it also reports that our F10 USES more titanium alloy, recently, some netizens in iron website posted on the new type of titanium alloy hood and strong titanium alloy even 5 aircraft wings A picture of the connector. It can be seen that China has long been mature in the use of titanium alloy. In the meantime, the application of our titanium alloy can also make the aerospace industry leap. In the space field, China's first large titanium ultraviolet space telescope has also been manufactured and tested. Before the application of titanium alloys in the space field, each titanium alloy has its own uses. We have a very good understanding of the use of titanium alloy in aircraft manufacturing and aerospace industry. It is more widely used in life and mechanical industry, such as elephant eye frames, golf clubs, super sports bicycles, and so on. But in the army and navy in the use of we are very little, and the relevant articles and instructions are not many, the following is a list of some of our country's high performance titanium alloy in the defense industry application. ? 1.? Titanium 5al2.5Sn high strength titanium alloy - Gear sleeves, engine housings, Blade housings? Titanium 8Al1Mo1V high titanium alloy -- Engine blade, gyroscope guide hood, inner skin? Titanium 6Al4V(tensile strength ≥895MPa) heat treatment strengthened titanium alloy -- Core machine blade and impeller? 2. 2. How much money? Titanium 6Al2Sn reinforced titanium alloy -- Fasteners, guiding devices, important structures? Titanium 4AlMo1V - Aircraft skeleton? Titanium Sn5Zr1Mo - Landing gear, aircraft bearing gear, fasteners? 4. 3. Smart Car Titanium alloy 1M1315 -- Rocket disk and missile base components? Titanium alloy 1M1550 -- Missile Powered Blade Sleeve? Titanium T-A6V -- the main material for the ship? 5. 4. The U.S. Our country has successfully developed two types of mortars, type 83-1 and Type 83-2. The type 83-1 82 mortar is widely used in titanium alloy, which reduces the total gun weight to 18.1 kg, making it extremely convenient for small units such as squads and platoons to carry out harrages. ? Titanium A7D -- Forgings for mechanical analysis of new armored vehicles? Titanium A6Z5W - Anti-tank rockets (missiles), surface-to-air missile covers and other parts with high creep resistance requirements? Titanium 1M1551 -- High speed rotating part of an armored vehicle? 4. 5. Smart Car LT41 Titanium alloy - Ship large area skin? 3.7114 titanium alloy - Excellent solderability, good formability for various watertight compartments? Titanium V13CA - Honeycomb hull, load-bearing frame? Titanium alloy is promising for use in ships. This is related to the strength and toughness of titanium alloy, as well as the corrosion resistance. Titanium in seawater is extremely stable, and basically the hull can be considered non-corrosive. This can not only reduce the maintenance cost, but also reduce the weight of the hull, which is a great benefit to the ship. In addition, it is necessary to mention two other points: the first titanium is non-magnetic, which is very helpful for anti-magnetic detection. As for magnetic mines, it is not worth worrying about. Secondly, the composite coating with advanced ships have a natural fusion, the future will use stealth composites has a defect, is as before ship response from the use of special steel, high strength, due to the potential difference easily generate electricity coupling in the sea, to speed up the corrosion, this kind of thing has been test on 052, it will be not long rusting, but these coatings with titanium alloy can perfect integration. ? Ii. The use of titanium in the defense industry of other countries? Retired, in the world is in service or in weapons and equipment research, many of whom use titanium and its alloy structure, with the transformation of modern warfare model, requirement of modern military rapid mobility is very outstanding, so for the army must rely on the conveyor's ability to achieve rapid maneuver, which requires the army was heavy equipment of light-duty as far as possible, Such as now all countries want their own artillery can fast effective quickly moved to another place, achieve the goal of strategy or tactics, it makes the development of titanium alloy in the field of artillery prospect one be bright, like American M777 lightweight howitzers, with the use of titanium alloy shell, fight all dropped to 3.175 tons, you can use the V22 or C130 Air transport, to achieve rapid mobility. Similarly, the UK's UFH ultra light 155mm gun weighs less than 4 tons and uses 1 ton of titanium in it. This is especially true in the field of air and naval equipment.