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| Aluminum Industry finalisted 2018 China's top 100 aluminum industry |
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Posted by: ircasodle - 04-13-2018, 03:45 AM - Forum: Knowledge & Technique
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The tenth session of China's top 100 aluminum industry selection activities completed. After the election, data accounting and expert screening process, the 2018 annual list of China's top 100 aluminum industry finalized.
The tenth China Aluminum Industry hundred list release, haomei Aluminum ranked in the list.
Haomei Aluminum is located in famous aluminum capital of Zhengzhou, Henan province. We are professional aluminum manufacturer, mainly produces series-1, series-3, series-5, series-6 and series-8 pure aluminum and aluminum alloy plate/strip/foil products.
Haomei Aluminum sells its products widely to United States, Mexico, Brazil, Chile, Germany, UK, Italy, Belgium, Bulgaria, Australia, Saudi Arabia, UAE, Iran, Bangladesh, India, Sri Lanka, Vietnam, Thailand, Korea, Singapore, Indonesia, Philippines, South Africa, Algeria, Tunisia etc more than 60 countries.
Haomei Aluminum has to
Serve our Clients with Heart and Soul has always been the motto of our company. Haomei Aluminum is eager to take cooperation with all the customers from home and abroad to create a wonderful future together!!!
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| A study of recrystallization in single-phase aluminium using in-situ annealing in the |
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Posted by: ircasodle - 04-13-2018, 03:35 AM - Forum: Knowledge & Technique
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In-situ annealing experiments were performed in the scanning electron microscope on a single-phase Al-0.13Mg alloy cold rolled to different strain levels. Once the validity of the technique had been verified by comparison of the recrystallization kinetics and final grain size with bulk annealed samples, the method was used in combination with electron back-scattered diffraction (EBSD) to study the potential mechanisms for recrystallization in this alloy. During annealing of material rolled to moderate strains (epsilont < 0.7), the primary mechanism was strain-induced boundary migration (SIBM). In material rolled to higher true strains (epsilont > 1.4), recrystallization occurred extensively along pre-existing cube bands and EBSD measurements showed that the mean size of cells within the cube bands was larger than for all other orientations measured, suggesting a size advantage was responsible for the strengthening of cube texture during recrystallization. SIBM was shown to occur concurrently with the nucleation along cube bands but this contributed a lower proportion of nucleation sites during recrystallization.
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| Surface Roughening Behavior of 6063 Aluminum Alloy during Bulging by Spun Tubes |
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Posted by: ircasodle - 04-13-2018, 03:33 AM - Forum: Knowledge & Technique
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Aluminum alloy has played an important role in lightening automobiles with hydroformed aluminum tubes making it possible to create lightweight parts with spatial structures and complex sections that can replace steel in high-end cars, and achieve energy savings and emission reductions. The first aluminum alloy rear axle subframe made by hydroforming was used in the 5-series BMW(Bayerische Motoren Werke), with its total weight of only 11.5 kg achieving a significant weight reduction when compared to steel . Audi have since manufactured roof rails by hydroforming 6014 aluminum alloy and used these in their A2 and A8 series vehicles to reduce their body weight by 40%
Surface roughening occurs on the surface of aluminum alloy tubes during hydroforming deformation, and when the surface roughening is severe enough, it produces surface defects such as “orange peel” or ridging and roping that affects the industrial production negatively [9,10,11]. It is widely accepted that such materials have an anisotropic behavior and different crystal orientations, which leads to incompatibilities of deformation arising from interactions between neighboring grains. The surface roughening behavior attributable to the deformation of individual grains can generally be observed on a grain scale , and so the most basic influential factors include internal factors (mainly grain size) and external conditions (mainly strain) .
The factors that influence surface roughening have mostly been investigated through tensile deformation, bending experiments and also cup drawing tests . Under a uniaxial stress state, the surface roughness first increases then decreases slightly with increasing strain, but increases linearly with increasing grain size [15,19]. Other studies have found that the surface roughness increases linearly with both increasing grain size and strain [17], but very few reports have paid attention to surface roughening under biaxial stress conditions. One study investigated the relationship between surface roughness and strain using numerical simulation, but this was neither verified by relevant experiments, nor did it consider the relationship between microstructure and surface roughness of tube during hydroforming .
In this study, bulging tests were carried out using 6063 aluminum alloy tubes with different microstructures to determine the quantitative relation between surface roughness, strain and grain size under biaxial stress. For this, tubes with different grain sizes and textures were prepared by spinning and annealing, and different strains were obtained by changing the area of the bulged tube. Measurements of surface roughness and observations of surface topography were also carried out using a confocal scanning laser microscope. Microstructural information was obtained using electron back-scattered diffraction (EBSD).
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| The field of application of 6063 aluminum sheet |
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Posted by: ircasodle - 04-13-2018, 03:25 AM - Forum: Knowledge & Technique
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6063 aluminum sheet is one of the most commonly used aluminum sheet in the 6000 series aluminum sheet. The 6000 series aluminum sheet is an extruded alloy with Al-Mg-Si element added. At present, more than 70% of the aluminum extrusion processing material in the world is made of the alloy of the 6000 series. The common state of 6063 aluminum sheet includes O state, T4 state, T6 state and T651 state. The alloy of T651 state is formed after stretching and eliminating internal stress on the basis of the T6 state, which is more suitable for processing molding.
6063 aluminum alloy plate are widely used in building aluminum doors and windows and curtain wall framework, in order to ensure that the doors and windows, curtain walls with high wind resistance performance, assembly performance, corrosion resistance and decorative properties, requirements for the comprehensive performance of aluminum alloy profile is much higher than the industry standard sections.
![[Image: 5083-aluminum-plate.jpg]](http://aluminum-hot-rolled-plate.com/images/5083-aluminum-plate.jpg)
Aerospace in 6063 aluminum sheet can be used for the production of aircraft fuselage, frame, chassis, rotor, propeller, oil tank, wall, landing gear strut, the rocket and spacecraft forged ring wall. Transportation in 6063 aluminum sheet not only can be used for car body structure material, such as automobile, subway vehicle, railway passenger car and high speed passenger car, but also can be used for automobile door and window, goods shelf, automobile engine parts, air conditioner, radiator, body plate, wheel hub and ship material. Packaging industry in 6063 aluminum sheet can be used for aluminum cans which mainly in the form of sheet metal and foil as a metal packaging materials, cans, caps, bottles, barrels, packaging foil. 6063 aluminum sheet for printing is mainly used in the production of PS version for automatic plate making and printing.
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| Can aluminum plate be directly polished in sulfuric acid without polishing treatment? |
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Posted by: 1-LVDCPN - 04-12-2018, 03:43 AM - Forum: aluminium faq
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Why does the aluminum plate have to wake up before it can wake up the anodic oxidation and do the electrolysis directly in the solution, how is the oxidation anode treatment in the dilute sulfuric acid? When do we need to use high-voltage power to process?
I actually ask one of the aims of this group, that is to think about the comprehensive study of the technology and technology of the West. I do not know who can help me to introduce the related technology of aluminum oxidation plant. I hope to be able to learn the skills of the teachers, and do not know how to get more information, and compare the information on the website of that enterprise. How much more? Ask the master to recommend several websites worth paying attention for a long time.
In the anode surface treatment industry, many manufacturers are just making material only for processing, higher technical requirements, such as this factory does not do industrial integration, it will inevitably collapse, because the characteristics of this period is not high profit, belong to the processing industry, in many aspects of the growth of enterprises, mainly It is difficult to carry out the production activities, the profit is a boy and a baby, in fact, it is also difficult, mainly depends on the way factory owners improve their profits, strengthen the expansion and construction of the internal and external parts of the factory. Especially in the situation of economic downturn, we should pay more attention to the trend of the oxidation industry. There are few inadvertently likely to turn over the car, and there is a certain risk of bankruptcy.
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| What happens when dilute sulphuric acid is poured on an aluminium plate? |
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Posted by: mepehuxit - 04-12-2018, 03:33 AM - Forum: aluminium faq
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Sulfuric acid dilute sulfuric acid is a non oxidizing inorganic acid. It has slight chemical etching effect on aluminum alloy profiles, and has low use cost and less volatile acid fog. Sulphuric acid can dissolve and peel off the natural oxide film formed on the surface of aluminum and aluminum alloy, and the exposed aluminum alloy matrix reacts with sulphuric acid to activate the surface of aluminum. When the concentration of sulphuric acid in the bath is less than 30%, the chemical dissolution rate of aluminum increases slowly with the increase of sulphuric acid concentration, and the loss of aluminum is less. When the concentration of sulphuric acid exceeds 30% in the bath, the corrosion rate of aluminum accelerates rapidly, and it is easy to produce corrosion and decrease the brightness. Generally speaking, the concentration of sulfuric acid in the bath should not exceed 15%.
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| 5052 aluminum sheet for the backplane of LCD TV |
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Posted by: mepehuxit - 04-12-2018, 03:11 AM - Forum: Knowledge & Technique
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The production of a new generation of flat-panel TVs represented by liquid crystal and plasma TVs has become increasingly sophisticated and accepted by the market. In recent years, the production and sales of flat-panel TVs have grown rapidly, and the market demand for aluminum alloy sheets for producing the radiating plate of plasma display has also rapidly increased.
![[Image: 5052-aluminum-sheet.jpg]](http://www.thick-aluminum-plate.com/images/aluminumsheet/5052-aluminum-sheet.jpg)
The surface of the LED backplane is required to be clean and uniform in color. It is not allowed to have cracks, corrosion, vent holes, peeling, metal and non-metallic indentation, scratches, roller marks, oil spots and other visible defects. Aluminum sheet has high thermal conductivity and excellent heat dissipation performance, with a small residual internal stress, it is not easily to deformed after machining.
5052 aluminum sheet is wide used for the outward components and the crafts that require good welding performance. 5052 aluminum sheet surface has no peeling, bubbles, damage, cracks, corrosion spots or other defects, so 5052 aluminum sheet is a best choice for the backplane material of LCD TV.
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| The advantages of aluminum alloy wheel hub |
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Posted by: 1-LVDCPN - 04-10-2018, 09:07 AM - Forum: Knowledge & Technique
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aluminum products has many advantages when used in cars, it improve the transport efficiency and traffic safety, saving the energy. Here are the six main advantages of aluminum alloy wheel hub.
[img=300x0]http://www.aluminiumstrip-hm.com/wp-content/uploads/2018/04/1-1P11Q3451JV.jpg-300x159.png[/img]![[Image: 1-1P11Q3451JV.jpg-300x159.png]](http://www.aluminiumstrip-hm.com/wp-content/uploads/2018/04/1-1P11Q3451JV.jpg-300x159.png)
1. energy saving
At a same size, each aluminum alloy wheel hub is lighter than a steel wheel hub about 2kg on average, and it almost lighten 10 kg weight if a car use the aluminum alloy wheel hubs. According an study from Japan shows if 5 cars each lighten 1kg, it will totally saving almost 20L gasoline a year. Although the aluminum alloy wheel hub is expensive than the steel wheel hub, the savings in fuel costs will be supplement the excess cost.
2. extend the service life of engine
When the load increase to a certain level, the power will be decreased, and the engine will consume more gasoline. The aluminum alloy wheel hub lighten the load of engine, reduce its malfunction and extend the service life.
3. has a good heat dispersion
The aluminum alloy’s coefficient of heat conduction of is 3 times of steel’s. a wheel hub that has a good heat dispersion keeps an appropriate temperature for tires, it extend the service life of friction sheave and tires, and reduce the chance of flat tire.
4. high accuracy on contour
Aluminum alloy wheel hub has a high accuracy on contour and quality, so the moment of inertia of aluminum alloy wheel hub is better than iron wheel hub, it greatly reduce the shaking phenomenon of steering wheel.
5. sturdy and durable
Aluminum alloy wheel hub has a higher impact resistance and tension stress, it is the reason why aluminum alloy has a wide range of application in defense industry and aviation industry.
6.has a good looking
Aluminum alloy wheel hub has various designs, with the elegant luster and colors, it improve the value and beauty of cars.
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| Wide market application of 5182 automotive aluminum plate |
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Posted by: mepehuxit - 04-10-2018, 08:45 AM - Forum: Knowledge & Technique
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Light weighting of automobiles is one of the development directions of the future automobile industry, especially for new energy vehicles with rapid development. Nowadays, the reduction of weight directly means the increase of cruising range. Studies have shown that for pure electric vehicles, the vehicle weight is reduced by 10kg and the driving range can be increased by 2.5km.
At the same time, foreign giants including BMW, Toyota, Tesla and others are also working on the lightweighting of automobiles. As one of the pioneers in the lightweighting of automobiles, BMW has gradually adopted carbon fiber and 5182 automotive aluminum plate after i3 and i8. Mostly applied to new models. The sixth-generation BMW 7 Series launched in 2015 was the first to combine carbon fiber composite materials with steel, aluminum and plastics, resulting in a successful weight loss of 40 kilograms in this generation of the 7-series white body.
![[Image: aluminum_plate-15-224x300.jpg]](http://www.aluminiumstrip-hm.com/wp-content/uploads/2017/03/aluminum_plate-15-224x300.jpg)
Tesla, the pioneer of the world's pure electric vehicles, has long begun to explore on the road to lightweighting automobiles. The body of its iconic Model S uses a lot of aluminum alloys, and the aluminum alloy components and steel components are linked by special welding technology.
In fact, 5182 automotive aluminum plate have already achieved some applications on trucks and buses. At present, there are many applications of aluminum alloy castings and profiles in automobiles, but the most concerned is the aluminum plates. ABS sheet is the abbreviation of Auto Body aluminum Sheet, which can be abbreviated as ABS. It is used exclusively for aluminum sheet metal stamping of passenger cars. It is the highest production and technical panel and strip with a thickness of 0.8. Mm~1.8mm, width is us
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