Titanium has a very wide range of applications in steelmaking. Titanium compound at high temperatures have a strong capability, because of this characteristic, in steel when nitrogen is easy to dissolve in the steel water, when the molten steel cooled and they will form pores in the ingot, affecting the quality of steel. So the molten steel to titanium powder into Riga, and nitrification it into slag (- titanium nitride), floating in the molten steel surface, so that the ingot is more pure. In many grades of steel Grade 1 Titanium Foil also added to increase the toughness of the steel, wherein the stainless steel is added titanium metal.
The application of titanium oxide. Titanium oxide (titanium dioxide), is a white powder, it is often referred to as titanium dioxide, a white pigment is good. In ancient times, people mining titanium, its main purpose is to obtain titanium dioxide printing. Strong adhesion of titanium dioxide, chemical change is not easy, permanent snow white, and titanium dioxide is non-toxic. A high melting point of titanium dioxide, are used to make fire-resistant glass, clay, and other high-temperature vessels.
钛棒
2015年7月28日星期二
2015年7月22日星期三
What is titanium composite sheet?
Titanium composite plate is made of titanium and other metals through a special process different explosive welding composite, it has an economic, high-performance and other notable features, widely used in petroleum, chemical, metallurgy, salt, alkali and other industrial production , customers get the recognition and produced a huge social and economic benefits.
Cladding process of combination of metal materials have a wide range of adaptability, since the strength between the metal vary widely, expansion coefficient, melting and other characteristics of the performance each other, so can be combined into one. In the composite state form a continuous metallurgical bonding, and in essence does not change its original chemical composition of each metal material, structure and corrosion resistance, strength titanium plate for aerospace composite plate bonding method is superior to other solid state product obtained.
Process: raw materials - Early treatment - explosive cladding - Heat treatment - Straightening - Cut - after treatment - test - Packaging - storage.
Cladding process of combination of metal materials have a wide range of adaptability, since the strength between the metal vary widely, expansion coefficient, melting and other characteristics of the performance each other, so can be combined into one. In the composite state form a continuous metallurgical bonding, and in essence does not change its original chemical composition of each metal material, structure and corrosion resistance, strength titanium plate for aerospace composite plate bonding method is superior to other solid state product obtained.
Process: raw materials - Early treatment - explosive cladding - Heat treatment - Straightening - Cut - after treatment - test - Packaging - storage.
2015年7月10日星期五
The performance comparison of titanium steel composite board
Titanium clad steel plate is the use of explosive welding composite processing method to get a new type of composite structure. Corrosion resistance, heat resistance and other special properties it has a titanium cladding material, but also has the hardness, strength, wear-resistant properties of steel base construction. Titanium clad steel plate having considerable economic and good overall physical properties. Economic advantages of titanium steel clad plate is particularly evident, it is compared with a single metal titanium or steel cladding small thickness, its thickness can be reduced, so that you can greatly reduce the cost of materials and the amount of investment.
Structural titanium clad steel plate as an ideal corrosion-resistant, high strength, etc. of material suitable for use in the petroleum, chemical, electrolytic, light industry, smelting, desalination, water conservancy and hydropower, nuclear power and other industrial fields. TC Titanium clad steel plate thanks to an explosion of metal complexes, steel base layer thickness ratio between the titanium cladding layer according to the design, the requirements of use to select. For special sizes of Powder coating titanium clad steel plate can be determined through consultations in order to meet different customer needs.
Structural titanium clad steel plate as an ideal corrosion-resistant, high strength, etc. of material suitable for use in the petroleum, chemical, electrolytic, light industry, smelting, desalination, water conservancy and hydropower, nuclear power and other industrial fields. TC Titanium clad steel plate thanks to an explosion of metal complexes, steel base layer thickness ratio between the titanium cladding layer according to the design, the requirements of use to select. For special sizes of Powder coating titanium clad steel plate can be determined through consultations in order to meet different customer needs.
2015年7月4日星期六
Analysis: titanium rod conversion formula
We all know that "titanium bolts, titanium rods, titanium shaped pieces"? In fact the main material for these products is derived from a name of 'titanium' metal to the elements. It is grayed out, atomic number 22, relative atomic mass 47.87. And it in nitrogen combustion, high melting point. Wherein the titanium rods, its conversion formulas we do not know understand how much?
Note: the diameter d, the density p, the length l
Mass m = π (d / 2) ^ 2 * l * p
Reference density 4.51g / cm3
Take your millimeters, it should be m = 0.0354d ^ 2 * l
For example 65 mm titanium bar stock mass m = 0.0354 * 65 ^ 2 * l = 149.58 * l
That is, every centimeter 149.58g
The above conversion formula Titanium round bar, it is worth learning from. For blunt titanium and titanium-based alloy is a new structural materials, mainly for the aerospace industry and the maritime industry. It is said, from the discovery of titanium element to obtain the finished product, which lasted a hundred years. The titanium really get use to recognize the true face of its original, it should be attributed to something in the past of the 1940s.
Note: the diameter d, the density p, the length l
Mass m = π (d / 2) ^ 2 * l * p
Reference density 4.51g / cm3
Take your millimeters, it should be m = 0.0354d ^ 2 * l
For example 65 mm titanium bar stock mass m = 0.0354 * 65 ^ 2 * l = 149.58 * l
That is, every centimeter 149.58g
The above conversion formula Titanium round bar, it is worth learning from. For blunt titanium and titanium-based alloy is a new structural materials, mainly for the aerospace industry and the maritime industry. It is said, from the discovery of titanium element to obtain the finished product, which lasted a hundred years. The titanium really get use to recognize the true face of its original, it should be attributed to something in the past of the 1940s.
2015年7月1日星期三
Titanium City, was optimistic about the implementation of standards titanium rod
In recent years, a number of titanium products, such as titanium bolts, titanium rods, titanium shaped pieces and so on, most of them used in aerospace, industrial, military and medical. Mainly due to the excellent characteristics of titanium is extremely stable, so the magnitude of the titanium market is relatively somewhat promising.
Titanium has a considerable hardness, although not as high-grade heat-treated steel. But it does not have the magnetic, thermal, and at the same time is a poor conductor. However, when using mechanical treatment requires attention, because they do not use sharp tools and proper cooling techniques, titanium will soften, and leave the indentation. Like steel structures, like titanium structure is also fatigue limit. Therefore, some applications can ensure durability. Stiffness than the titanium tubing for sale are generally inferior to other materials aluminum and carbon fiber, so fewer applications requiring high stiffness of the structure.
Titanium has a considerable hardness, although not as high-grade heat-treated steel. But it does not have the magnetic, thermal, and at the same time is a poor conductor. However, when using mechanical treatment requires attention, because they do not use sharp tools and proper cooling techniques, titanium will soften, and leave the indentation. Like steel structures, like titanium structure is also fatigue limit. Therefore, some applications can ensure durability. Stiffness than the titanium tubing for sale are generally inferior to other materials aluminum and carbon fiber, so fewer applications requiring high stiffness of the structure.
2015年6月28日星期日
Straightening on titanium rod
Industry thought alloy bars having a "shape memory", that material could have been straightened by straightening, and over time it according to the original curvature. In fact, people think that all have shape-memory alloy is a misunderstanding. In the alloy system memory, the only In-Ti, Ti-Ni, Ti-Ni-Pd, Ti-Nb alloys containing titanium these types, only first discovered memory alloy like nickel - titanium alloy (50% Ti + 50 % Ni), we will mistakenly believe that a titanium bar stock with shape memory characteristics. Why, then, would have been straightening alloy bars, over a period of time according to the original curvature it out?
This is because the core of the metal rod has its own original bent, without any change in the straightening process. From the surface, even if the entire roundwood has been straightened and resilient core but can not get straightened. Otherwise it would not be called elastic core of. This time, straightening belong to a certain amount of anti-bending and straightening bent elastic recovery after the remaining zero curvature sometimes obtained a balance of straightening is resilient core of elastic recovery potential and peripheral metal Instead of excessive bending of the potential direction of a balance of equal size. This relative balance when changes in environmental conditions such as temperature change, external change, after the time change may imbalances bent. Thus, rod straightening, especially raw bar straightening a bent state serious, should not cause distortion of adoption under section inflection amount of suitable size to make it resilient core to a minimum, which is conducive to straightening quality of persistence. So these problems are due to the influence of the resilient core of straightening quality caused. Had straightening experience knows Straightening easier than bar, which did not affect the main reason is the core of the metal pipe on the overall flatness of the straightening process, which is why there is no Titanium tube fittings called "memory Features "Reasons
This is because the core of the metal rod has its own original bent, without any change in the straightening process. From the surface, even if the entire roundwood has been straightened and resilient core but can not get straightened. Otherwise it would not be called elastic core of. This time, straightening belong to a certain amount of anti-bending and straightening bent elastic recovery after the remaining zero curvature sometimes obtained a balance of straightening is resilient core of elastic recovery potential and peripheral metal Instead of excessive bending of the potential direction of a balance of equal size. This relative balance when changes in environmental conditions such as temperature change, external change, after the time change may imbalances bent. Thus, rod straightening, especially raw bar straightening a bent state serious, should not cause distortion of adoption under section inflection amount of suitable size to make it resilient core to a minimum, which is conducive to straightening quality of persistence. So these problems are due to the influence of the resilient core of straightening quality caused. Had straightening experience knows Straightening easier than bar, which did not affect the main reason is the core of the metal pipe on the overall flatness of the straightening process, which is why there is no Titanium tube fittings called "memory Features "Reasons
2015年6月25日星期四
New Development BDS alloy titanium rod technology industry
Industrial technology is a titanium rod directly formed by a titanium rod to produce parts of the process, the production of near-net-shape parts of high-volume, low-cost approach, which basically does not require further processing or finishing, can be a good control the size, stability and excellent parts, uniformity and mechanical properties can be fully guaranteed. Industrial production of titanium bar-BDS and BDS alloy parts without segregation, homogeneous, stable performance. Automotive BDS is a very attractive market, the development of new low-cost raw material production methods, and advanced industrial titanium rod near net shape technology, it is expected to make BDS into the automotive industry. Currently, the main obstacle to BDS and BDS alloy widely used is its high cost, the use of industrial titanium rod technology can effectively reduce costs. In order to adapt to further reduce production costs BDS and BDS alloy requirements of BDS Titanium
round bar forming new technology continues to emerge.
One. Titanium injection molding. According to reports, Nagoya Institute of Technology prepared by the method of injection molding of pure BDS member. Study, the average particle size of 23 microns BDS dehydrogenation hydride powder, at a temperature of 1198 ~ 1348K sintering. When the sintering temperature is higher than 1298K, tensile strength greater than 630MPa; adding a certain amount if the average particle size of 15 microns hydrogenation dehydrogenation powder mixed gas atomized powder, sintering at lower temperatures (1248 ~ 1298K), may to obtain a high sintered density of the sintered body, and the elongation can reach 15% to 20%. The school will also metal injection molding techniques for BDS-6Al-4V titanium rod industry injection molding, sintering at 1223K, get a relative density of more than 96%, the tensile strength of BDS-6Al-4V alloy 950MPa of. Metallurgical Company, Osaka, Japan with metal injection molding process for the preparation of γ-BDSAl member, its nominal composition BDS-47Al-2.6Cr. Industrial titanium rod through the self-diffusion of high temperature synthesis in the system, and then mixed with an organic binder, mixing, injection molding and sintering to obtain a relative density of sintered parts up to 97%, showing a high strength and ductility. Tsinghua use of hydrogenation-dehydrogenation process obtained the BDS BDS pure powder injection molding material preparation, vacuum sintering temperature is 1250 ℃, the sintered density of up to 98%, sintered at this temperature for 1.5 hours, the product of tensile strength and elongation rate of 349MPa and 6.4%, respectively.
II. Titanium warm compaction. The technology industry titanium rod temperature and pressure technology as the basis, and combines the advantages of metal injection molding by adding an appropriate amount of powder lubricant or binder content and enhance and improve the liquidity of the mixed titanium rod, filling properties and formability , which can be used to manufacture complex geometries (such as undercut, threaded holes, etc.) parts, has a very broad prospects for development. China, Central South University of temperature and pressure forming process has been studied in the preparation of industrial titanium alloy rod BDS. Pure BDS experiment HDH prepared powder as raw material, under 500MPa pressed compacts after vacuum sintering at 1280 ℃. The study found that the tensile strength of the titanium rods, a mold temperature of 155 ℃ reaches a maximum 1051MPa, which is mainly a function of temperature improves the BDS titanium rod of plastic, are pressing the process of deformation of the particles provide a coordinating role rearrangement, improving the pressing density. On this basis they are in the same pressing conditions, the use of zinc stearate as a die wall lubricant nominal composition of BDS-6.8Mo-4.5Al-1.5Fe-1.5Nb mixing titanium rods were die wall lubrication warm compaction research process, after pressing the green density can reach 86% to 90% of theoretical density, exceeds the cold isostatic pressing process performance.
One. Titanium injection molding. According to reports, Nagoya Institute of Technology prepared by the method of injection molding of pure BDS member. Study, the average particle size of 23 microns BDS dehydrogenation hydride powder, at a temperature of 1198 ~ 1348K sintering. When the sintering temperature is higher than 1298K, tensile strength greater than 630MPa; adding a certain amount if the average particle size of 15 microns hydrogenation dehydrogenation powder mixed gas atomized powder, sintering at lower temperatures (1248 ~ 1298K), may to obtain a high sintered density of the sintered body, and the elongation can reach 15% to 20%. The school will also metal injection molding techniques for BDS-6Al-4V titanium rod industry injection molding, sintering at 1223K, get a relative density of more than 96%, the tensile strength of BDS-6Al-4V alloy 950MPa of. Metallurgical Company, Osaka, Japan with metal injection molding process for the preparation of γ-BDSAl member, its nominal composition BDS-47Al-2.6Cr. Industrial titanium rod through the self-diffusion of high temperature synthesis in the system, and then mixed with an organic binder, mixing, injection molding and sintering to obtain a relative density of sintered parts up to 97%, showing a high strength and ductility. Tsinghua use of hydrogenation-dehydrogenation process obtained the BDS BDS pure powder injection molding material preparation, vacuum sintering temperature is 1250 ℃, the sintered density of up to 98%, sintered at this temperature for 1.5 hours, the product of tensile strength and elongation rate of 349MPa and 6.4%, respectively.
II. Titanium warm compaction. The technology industry titanium rod temperature and pressure technology as the basis, and combines the advantages of metal injection molding by adding an appropriate amount of powder lubricant or binder content and enhance and improve the liquidity of the mixed titanium rod, filling properties and formability , which can be used to manufacture complex geometries (such as undercut, threaded holes, etc.) parts, has a very broad prospects for development. China, Central South University of temperature and pressure forming process has been studied in the preparation of industrial titanium alloy rod BDS. Pure BDS experiment HDH prepared powder as raw material, under 500MPa pressed compacts after vacuum sintering at 1280 ℃. The study found that the tensile strength of the titanium rods, a mold temperature of 155 ℃ reaches a maximum 1051MPa, which is mainly a function of temperature improves the BDS titanium rod of plastic, are pressing the process of deformation of the particles provide a coordinating role rearrangement, improving the pressing density. On this basis they are in the same pressing conditions, the use of zinc stearate as a die wall lubricant nominal composition of BDS-6.8Mo-4.5Al-1.5Fe-1.5Nb mixing titanium rods were die wall lubrication warm compaction research process, after pressing the green density can reach 86% to 90% of theoretical density, exceeds the cold isostatic pressing process performance.
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