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Specialized in selling standard titanium alloys from various countries
Titanium alloy strips
Titanium alloy rods
Titanium alloy plates and other series of products, with complete specifications and sufficient stock
Dehong Metal warmly welcomes The vast number of customers come to our company to discuss cooperation! ! !
High-temperature titanium alloy
The world's first successfully developed high-temperature titanium alloy is used at a temperature of 3°C. Subsequently, alloys such as , , - and - with operating temperatures up to ℃ were successively developed, as well as alloys such as , , - and - with operating temperatures of ~ ℃. The new high-temperature titanium alloys that have been successfully used in titanium alloy engines include British, 3 alloys, American alloys, Russian alloys B, alloys, etc. The table shows the maximum operating temperature of new high-temperature titanium alloys in some countries []. In recent years, foreign countries have adopted rapid solidification/powder metallurgy technology, fiber or particle reinforced composite materials to develop titanium alloys as the development direction of high-temperature titanium alloys, so that the use temperature of titanium alloys can be increased to above ℃ [,3]. The American McDonnell Douglas Company has successfully developed a high-purity, high-density titanium alloy using rapid solidification/powder metallurgy technology. Its strength at ℃ is equivalent to the strength of titanium alloys currently used at room temperature [].
Titanium alloys based on titanium aluminum compounds
Compared with general titanium alloys, the biggest advantage of titanium aluminum compounds based on sodium 3 () and intermetallic compounds is that they have good high temperature performance (the maximum operating temperature is and ℃), strong oxidation resistance, good creep resistance and light weight (the density is only / of nickel-based superalloys), these advantages make it the most competitive material for future aerospace engines and titanium alloy structural parts []. Currently, there are two 3-based titanium alloys - and mass production has begun in the United States. Other 3-based titanium alloys developed in recent years include b, - and others []. The composition range of concern for titanium alloys based on titanium is - (-) - (-) (.), where it is at least one element of,,, b,, and. Recently, 3-based titanium alloys have begun to attract attention, such as alloy [].
High strength and high toughness
Titanium alloy
B-type titanium alloy was first developed by the American company B in the mid-1990s (-). B-type titanium alloy has good cold and hot processing properties, is easy to forge, can be rolled, and welded. It can obtain high mechanical properties, good environmental resistance, and a good combination of strength and fracture toughness through solution-aging treatment. The most representative new high-strength and high-toughness b-type titanium alloys are as follows [,3]: (-), this alloy has equivalent performance to the high-strength structural steel commonly used in titanium alloy structural parts, and has excellent forging properties3 , the cold working performance of this alloy is better than that of industrial pure titanium, and the room temperature tensile strength after aging can reach above b (). This alloy is a new type of anti-oxidation, ultra-high-strength titanium alloy developed by the American Titanium Metal Company Division, with Good oxidation resistance, excellent cold and hot processing properties, can be made into foils with a thickness of . Titanium alloy successfully developed by Japan Steel Pipe Company, the alloy has high strength, high superplastic elongation, and the superplastic forming temperature is lower than ℃ , which can replace alloys and use superplastic forming-diffusion joining (/B) technology to manufacture various aerospace components. Developed in Russia, its tensile strength can reach above.
Flame-retardant titanium alloy
Conventional titanium alloys have a tendency to burn alkane under certain conditions, which limits their application to a great extent. In response to this situation, various countries have carried out research on flame-retardant titanium alloys and achieved certain breakthroughs. (also known as -) developed by the Qiang State, with a nominal composition of - (mass fraction), is a flame-retardant titanium alloy that is insensitive to continued combustion and has been used in engines. and B are flame-retardant titanium alloys developed in Russia. They are both - series alloys and have very good thermal deformation process performance, and can be made into complex parts [].
Medical Titanium Alloy
Titanium is non-toxic, lightweight, high-strength and has excellent biocompatibility. It is an ideal medical metal material and can be used as implants for human body. At present, alloys are still widely used in the medical field. However, the latter will precipitate very small amounts of vanadium and aluminum ions, which reduces its cell adaptability and may cause harm to the human body. This issue has already attracted widespread attention in the medical community. As early as the mid-2000s, the United States began to develop aluminum-, vanadium-free, biocompatible titanium alloys for orthopedics. Japan, the United Kingdom, etc. have also done a lot of research work in this area and made some new progress. For example, Japan has developed a series of +b titanium alloys with excellent biocompatibility, including _, . Compared with +b titanium alloy, b titanium alloy has higher strength, better incision performance and toughness, and is more suitable for implantation into the human body as an implant. In the United States, there are already b titanium alloys recommended for use in the medical field, namely (^), br, R (.b), () and -. It is estimated that in the near future, this type of Lutitanium alloy with high strength, low elastic modulus, excellent formability and corrosion resistance is likely to replace the alloys currently widely used in the medical field
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