Baoji Sijiade Metal Material Co., Ltd.
Titanium alloy application
Titanium is an important structural metal developed in the 1950s. Titanium alloys have the characteristics of low density, high specific strength, good corrosion resistance, low thermal conductivity, non-toxic, non-magnetic, weldable, good biocompatibility, strong surface decoration, etc. They are widely used in aviation, aerospace, chemical industry, petroleum, electricity, medical treatment, construction, sports goods and other fields. Many countries in the world have recognized the importance of titanium alloy materials, and have successively studied and developed them, and obtained practical application.


1.Aerospace field

Titanium is widely used in aerospace industry in Western countries, especially in the United States. 60% of titanium materials are used in this field. Asian countries, Japan and China all invest about 10% of titanium in this field. But in recent years, with the rapid development of aerospace in Asia, the consumption of titanium in Aerospace will increase. From a global perspective, the aviation industry plays a decisive role in the titanium market. Historically, the large cycle cycle of the titanium industry is closely related to the cooling and warming of the aviation industry.

In 2011, the global titanium production reached 148,000 tons, of which 64,000 tons are commercial aviation titanium. The global economic growth in the future still has a huge demand for air transport. It is estimated that the demand for new aircraft will be about 30,000 in the next 20 years. At the same time, the demand for titanium for new aircraft is higher than that for old aircraft. It is estimated that the average demand for titanium for commercial aircraft will reach 40 tons per aircraft in 20 years. It is estimated that in the next 20 years, the global demand for new titanium materials in the field of commercial aviation will be about 1.2 million tons, and the annual composite growth rate will be about 17%. The average annual demand for new titanium materials will be 60,000 tons. The field of civil aviation titanium materials will show rapid growth. There will also be new opportunities in the field of military aviation, which is expected to meet new demands due to the global geopolitical tension, the increase of military expenditure in various countries.


2.Automobile industry

Reducing fuel consumption and harmful waste (CO2, NOX, etc.) emissions has become one of the main driving forces and directions of technological progress in the automotive industry. Research shows that lightweight is an effective measure to save fuel and reduce pollution. For every 10% reduction in vehicle quality, fuel consumption can be saved by 8% to 10%, and exhaust emissions can be reduced by 10%. In driving, the acceleration performance of lightweight vehicles is improved, and the vehicle control stability, noise and vibration are also improved. Considering the collision safety, the inertia is small and the braking distance is reduced when the vehicle is lightweight.

The preferred way to lighten automobiles is to replace traditional automobile materials (steel) with lightweight materials with high specific strength, such as aluminum, magnesium and titanium. In 2009, the amount of titanium used in automobiles worldwide has reached 3000 tons. Titanium has been used in racing cars for many years. At present, almost all racing cars use titanium. Japan's automotive titanium has exceeded 600 tons. With the development of the global automotive industry, automotive titanium is still increasing rapidly.

The advantages of using titanium in automobiles are: reducing weight and fuel consumption; improving power transmission effect and reducing noise; reducing vibration and component load; improving durability and environmental protection of automobiles.


3.Medical profession

Titanium is widely used in medical field. Titanium is close to human skeleton and has good biocompatibility and no toxic side effects on human tissues. Human implants are special functional materials closely related to human life and health. Compared with other metal materials, the advantages of using titanium and titanium alloys are as follows: 1. light weight; 2. low modulus of elasticity; 3. nonmagnetic; 4. nontoxic; 5. corrosion resistance; 6. high strength and good toughness. The amount of titanium alloy used in surgical implants is increasing at a rate of 5% to 7% per year. Hundreds of metal parts, such as femoral head, hip joint, humerus, skull, knee joint, elbow joint, shoulder joint, metacarpophalangeal joint, jaw, cardiac membranes, renal membranes, vasodilators, splints, prostheses and fastening screws, were transplanted into the human body and achieved good results, which were highly evaluated by the medical profession.


4.Chemical industry

Titanium has excellent corrosion resistance, mechanical properties and technological properties, and is widely used in many sectors of the national economy. Especially in chemical production, titanium is used as corrosion resistant material instead of stainless steel, nickel-based alloy and other rare metals. It is of great significance to increase output, improve product quality, prolong service life of equipment, reduce consumption, reduce energy consumption, reduce costs, prevent pollution, improve working conditions and improve labor productivity.

Titanium metal has become one of the main anticorrosive materials in chemical equipment, and has established its anticorrosive status in chemical equipment. As an ideal material in chemical equipment, titanium has attracted more and more attention of engineers and technicians.

After years of promotion, titanium and its alloys have been widely used in chemical industry as an excellent corrosion-resistant structural material. At present, the application of titanium equipment has expanded from the initial soda and caustic soda industry to chlorate, ammonium chloride, urea, organic synthesis, dyes, inorganic salts, pesticides, synthetic fibers, fertilizers, fine chemicals and other industries. The types of equipment have developed from small, single to large and diversified.

The results of heat exchanger investigation show that titanium heat exchanger accounts for 57%, titanium anode accounts for 20%, titanium container accounts for 16%, and other accounts for 7%. In the chemical industry, "two alkalis" are the main, and titanium heat exchanger is the most used in chemical equipment.

In recent years, the production technology of titanium materials in China has been improved rapidly. Titanium for aerospace, military and automotive purposes has grown rapidly. Especially in aerospace, there is a tendency to catch up with titanium for chemical purposes. Generally speaking, the proportion of titanium used in chemical industry will inevitably decrease


5.Oceanographic engineering

With the development of science and technology and the exhaustion of land resources, the development and utilization of oceans by human beings has been put on the agenda. Titanium has excellent corrosion resistance to seawater, and is widely used in seawater desalination, warships, marine thermal energy development and seabed resource exploitation.

As early as the 1960s, China has begun to study the application of titanium and titanium alloys in ship and marine engineering equipment, and has done a lot of work, and has basically formed a system of marine titanium alloys with many brands, different performances and complete specifications. Because of its own characteristics, titanium and titanium alloys have unique advantages in the application of naval vessels and marine engineering equipment, so they are widely used in nuclear submarines, deep submarines, atomic energy ice breakers, hydrofoil boats, hovercraft, mine sweepers, propeller propellers, sea water pipelines, condensers, heat exchangers and so on.

At present, the amount of titanium used on ships in China is very small, which accounts for less than 1% of the total weight of ships. There is great potential for the development of titanium and titanium alloys for ships and marine equipment. In addition, in the field of seawater desalination and coastal power station, because of the huge market demand of seawater desalination and coastal power station in our country, the market application prospect of titanium will be very broad under the condition of further reducing the cost of titanium alloy and improving the product quality stability.


6.Daily life

Titanium is widely used in daily life. It can be said that it is ubiquitous, such as golf head, bicycle frame, tennis racket, wheelchair, spectacle frame and so on.

Titanium has been used in sporting goods for its light weight and high strength. It has gradually expanded from the earliest tennis racket and badminton racket to golf head, club and racing car. In 2008, China's sports leisure accounted for 13% of the total consumption, of which golf head and club alone use more than 1000 tons of titanium. Titanium alloy bicycle frames are also very popular. At present, nearly 50 price companies produce titanium bicycles. The United States has long been the largest producer and consumer of titanium bicycles. The lightweight titanium is also used in spectacle frames, and titanium is not easily allergic to skin, and the surface of titanium can be colorful by anodic treatment, so it has been used in spectacle frames since the early 1980s.