Titanium alloy sheet - Strategic emerging industries
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Titanium Alloy
Titanium is an important structural metal developed in the 1950s. Titanium alloys have high strength, good corrosion resistance, and high heat resistance. From the 1950s to the 1960s, it was mainly to develop high-temperature titanium alloys for aircraft engines and structural titanium alloys for airframes.
From the 1950s to the 1960s, it was mainly to develop high-temperature titanium alloys for aircraft engines and structural titanium alloys for airframes. In the 1970s, a number of corrosion-resistant titanium alloys were developed. Since the 1980s, corrosion-resistant titanium alloys and high-strength titanium alloys have been further developed. development of. The service temperature of heat-resistant titanium alloy has increased from 400℃ in the 1950s to 600～650℃ in the 90s. The emergence of A2 (Ti3Al) and r (TiAl) based alloys makes titanium in the engine's use part is advancing from the cold end (fan and compressor) of the engine to the hot end (turbine) of the engine. Structural titanium alloys are developing toward high strength, high plasticity, high strength, high toughness, high modulus, and high damage tolerance.
In addition, since the 1970s, shape memory alloys such as Ti-Ni, Ti-Ni-Fe, and Ti-Ni-Nb have appeared, and are increasingly used in engineering.
There are hundreds of titanium alloys developed in the world, and the most well-known alloys are 20 to 30, such as Ti-6Al-4V, Ti-5Al-2.5Sn, Ti-2Al-2.5Zr, Ti-32Mo, Ti- Mo-Ni, Ti-Pd, SP-700, Ti-6242, Ti-10-5-3, Ti-1023, BT9, BT20, IMI829, IMI834, etc. [2,4].
According to relevant statistical data, the amount of titanium used in my country's chemical industry reached 25,000 tons in 2012, a decrease from 2011. This is the first time that my country's chemical titanium market has experienced negative growth since 2009. In recent years, the chemical industry has been the largest user of titanium processing materials, and its proportion in the total amount of titanium materials has been maintained at more than 50%. In 2011, it accounted for 55%. However, as the economy is in a downturn, the chemical industry has not only significantly reduced new construction projects, but also faced industrial restructuring, some products have new production capacity under control, and backward production capacity will also be phased out. Affected by this, its shrinkage of the amount of titanium processing materials has become logical. Prior to this, some insiders predicted that the amount of titanium used in the chemical industry will peak between 2013 and 2015. Judging from the current market performance, the weakening of the overall economy in 2012 may make the recession period of titanium for chemical industry advance.
Performance
Titanium is a new type of metal. The performance of titanium is related to the content of impurities such as carbon, nitrogen, hydrogen, and oxygen. The purity of titanium iodide does not exceed 0.1%, but its strength is low and its plasticity is high. The properties of 99.5% industrial pure titanium are: density ρ=4.5g/cubic centimeter, melting point 1725℃, thermal conductivity λ=15.24W/(mK), tensile strength σb=539MPa, elongation δ=25%, cross section Shrinkage ψ=25%, elastic modulus E=1.078×105MPa, hardness HB195.
High strength
The density of titanium alloy is generally about 4.51g/cubic centimeter, which is only 60% of steel. The density of pure titanium is close to that of ordinary steel. Some high-strength titanium alloys exceed the strength of many alloy structural steels. Therefore, the specific strength (strength/density) of titanium alloy is much greater than other metal structural materials. See Table 7-1, which can produce parts with high unit strength, good rigidity and light weight. Titanium alloys are used for aircraft engine components, skeletons, skins, fasteners, and landing gear.
High thermal strength
The use temperature is several hundred degrees higher than that of aluminum alloy. It can still maintain the required strength at medium temperature. It can work for a long time at a temperature of 450 to 500 ℃. These two types of titanium alloys are still very high in the range of 150 ℃ to 500 ℃. Specific strength, while the specific strength of aluminum alloy at 150 ℃ significantly decreased. The working temperature of titanium alloy can reach 500 ℃, aluminum alloy is below 200 ℃.
Good corrosion resistance
Titanium alloys work in humid atmosphere and seawater media, and their corrosion resistance is far superior to stainless steel; they are particularly resistant to pitting, acid corrosion, and stress corrosion; organic substances such as alkali, chloride, chlorine, nitric acid, and sulfuric acid Etc. have excellent corrosion resistance. But titanium has poor corrosion resistance to media with reducing oxygen and chromium salts.
Good low temperature performance
Titanium alloy can still maintain its mechanical properties under low temperature and ultra-low temperature. Titanium alloys with good low temperature performance and extremely low interstitial elements, such as TA7, can maintain a certain plasticity at -253℃. Therefore, titanium alloy is also an important low-temperature structural material.
Great chemical activity
Titanium has a high chemical activity and is compatible with O, N, H in the atmosphere
Titanium alloy products
, CO, CO2, steam, ammonia, etc. produce strong chemical reactions. When the carbon content is greater than 0.2%, hard TiC will be formed in the titanium alloy; when the temperature is high, the TiN hard surface layer will be formed when it interacts with N; above 600 ℃, titanium absorbs oxygen to form a hardened layer with high hardness ; Increased hydrogen content will also form a brittle layer. The depth of the hard and brittle surface produced by absorbing gas can reach 0.1～0.15 mm, and the degree of hardening is 20%～30%. Titanium also has a large chemical affinity, and is prone to adhere to friction surfaces.
Low thermal conductivity
The thermal conductivity of titanium λ = 15.24W/ (m.K) is about 1/4 of nickel, 1/5 of iron, 1/14 of aluminum, and the thermal conductivity of various titanium alloys is about 50% lower than that of titanium. The elastic modulus of titanium alloy is about 1/2 of that of steel, so its rigidity is poor and it is easy to deform. It is not suitable to make slender rods and thin-walled parts. The springback of the processed surface during cutting is very large, which is about 2 to 3 of stainless steel Times, causing violent friction, adhesion, adhesive wear on the flank of the tool.
- Q:What are the laws and regulations of hardware?
- Hardware laws and regulations: first, the national quality standards. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations. Safety standards, this must be strictly enforced legal norms. Is the hardware must ensure the safe and reliable use, safety accidents caused by quality factors cannot, if the quality safety accidents caused, the producer must undertake the corresponding administrative or criminal liability. The laws in this respect are mainly safety production law, quality law, consumer law, and so on. More general, but more formal. The hardware of national quality supervision and testing: China commissioned by the national certification and Accreditation Administration of the national metrology accreditation review group on building materials, through the certification supervision and expansion of the assessment of national building material industry hardware plumbing product quality supervision and testing center. Even Japan, building materials experts review group consults relevant information center, to the scene detection and testing equipment, test items on the part of a field test was carried out, the center of the authorized signatory on-site examination strictly, and the related staff of the theory exam, organize relevant personnel to the discussion. They believe that the test center has established a complete quality management system, organization system operates effectively, have the capability to undertake impartial third party inspection; the quality of personnel, equipment, environmental conditions and test reports have reached the requirements of standards of review.
- Q:Is the hardware store profitable?
- Each row from do profit ratio is about the same, about 10-30, 10 is 30, is relatively small, generally Maori words can say it, but there is little profit. Of course, refers to the rules of doing business, not to engage in the door. If you want to know what the experience at least know quality cost. This shop is the shopkeeper, but still need to go out to run a single, to the long-term stability of the single to make money. Store address requirements are not high. Some people take orders, the ability is very strong, then directly in the small courtyard to open a money.
- Q:What does hardware include?
- Hardware for construction hardware, metal, locks, nails, iron wire, steel wire mesh, wire scissors, home hardware, tools and so on.
- Q:What are the commonly used hardware materials? What are their respective properties?
- Hardware, the past is gold, silver, copper, iron, tin, five kinds of metal materials collectively.Now, the hardware products are usually divided into two major categories: big hardware and hardware.Big hardware generally refers to metal plates, pipes, profiles, bars and wire;The hardware mainly includes coating material (such as tin), wire coating (such as Tie Si), a variety of small standard parts (such as fastening screws), non standard parts (such as wood screws) and various gadgets (such as a screwdriver) and so on.
- Q:What are the hardware parts used in the decoration?
- Locks, handles, hinges, hinges, air guns, drawers, rails are basically these small metal products, so it's called hardware, of course, the new products change with each passing day, you can go to B&Q and other shopping malls to see
- Q:what Hardware processing order required
- Hello! Individuals want to contract hardware processing business, through relatives, friends or colleagues in many ways to find. You can also take the initiative to contact the business, through the processing of hardware related projects of the company, enterprises, self-employed and so on, from the contract part of the project to do. Start from small business, make more friends, each doing a business, seriously do a good job, quality and quantity, according to the completion of the task of the project period, and strive to establish a sign. In the course of time, your sign has, the business volume will be more and more big, the business circle will also be more and more big, the acquaintance colleague friend will also be more and more, your order naturally more and more.
- Q:What's drawing design in a hardware factory?
- I have done in the hardware factory mapping, using CAD or proe do, surveying and mapping is the first to return the drawings, in software measurements. Yes, some need your own design, some other factory orders and processing drawings, you have to translate them to your factory standards. Hope to adopt!
- Q:What does a hardware factory do?.
- Independent production of various types of hardware products, metal stamping parts, metal batteries, metal springs, metal screws and so on.
- Q:What are the detailed classifications of hardware tools?
- Hardware category: Decoration / lamps / hardware / security / bathroomSpecific categories: lock bit hardware tools hardware cutter blade sawing machine hardware lock scissors glasses box hardware cloth hardware fixture terminal electric tool stamping column pneumatic wrench screwdriver kit hook scaffolding hinge combination tools hand tools casters stainless steel products opener brush screwdriver Paddleball hardware products Hardware Hardware ball mill grinding machine electronic hardware rack hydraulic components of garden tools and precision metal film sawing machine polishing wheel rasp tapping machine drilling machine gun knife pliers hydraulic cylinder hydraulic cylinder barbecue net fluorescent lamp tweezers brush roller screwdriver blade grinding machine reamer electric knife ring seal black wire cloth broom strand paint brush vise rivet gun construction tools Aluminum Alloy ladder storage It is hot melt adhesive gun pneumatic nail tool industrial casters hole hot-air gun hydraulic tools wine bottle opener pliers glass sand rubber spring diamond bit sports leisure goods titanium claws fruit knife automatic spray gun hydraulic tongs hydraulic pickaxe folding ladder joint waterproof casing blowing dust gun glue gun electric winch hook rubber scraper diamond pick aluminum hydraulic hose ladder construction and drilling machine vibration mill butter cigar scissors fork spade skull lace shear shear manual hardware hydraulic wrench alloy tube brake casters no fan power construction fastener pipe machine caster casters bearing domestic window brush knife ladder window scraping high-temperature casters snow brush mower blade diamond thin-wall drill pressure spray nozzle of light metal casters damping caster shovel rechargeable electric clipper transport tool accessories
- Q:Do you need your own hardware to buy a suit door?
- The above negotiations with the merchant shall be written in the order contract.
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Titanium alloy sheet - Strategic emerging industries
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 8888 m.t./month
OKorder Service Pledge
OKorder Financial Service
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