1. Introduction to the basic situation of titanium and titanium alloy plates
1) Performance advantages of titanium and titanium alloy sheets
Titanium and titanium alloy plates are not only light in weight, but also have high specific strength, strong corrosion resistance, high-temperature resistance, are non-toxic and harmless, and can maintain good performance even in high salinity and highly corrosive seawater environments. In addition, titanium and titanium alloy plates have the characteristics of non-magnetic properties and small linear expansion coefficients, which make titanium and titanium alloy plates a popular material in the aerospace field.
2) Application fields and application properties of titanium and titanium alloy sheets Titanium and titanium alloy sheets have a wide variety of products, stable properties, and a wide range of applications, which are widely used in aerospace, shipbuilding, chemical, and chemical industries. As a light metal material, titanium and titanium alloy plates have a wide range of applications in military and civilian fields.
2. Analysis of pickling process of titanium and titanium alloy plates
1) Purpose of pickling treatment of titanium and titanium alloy plates
Titanium is an IVB group metal. When it is in a high-temperature environment, it is more active in nature, and it is easy to effectively react with the surrounding contact materials to form an oxidation effect, thereby forming a surface oxide scale. This layer of oxide layer makes titanium and titanium alloy plates have high hardness and high brittleness, and in subsequent processing and use, causes surface cracks and extends into the matrix, which has a serious negative impact on the quality of materials and makes some titanium equipment fail. , which will not only affect the service life of titanium and titanium alloy sheet products but even cause certain accidents. Pickling treatment of titanium and titanium alloy plates can make the surface of titanium alloys brighter and more balanced, and more importantly, it can form a passivation film on titanium and titanium alloy plates, and improve the corrosion resistance of titanium and titanium alloy plates.
2) The main factors affecting the pickling effect
When pickling titanium and titanium alloy plates, machining methods such as car and planer are usually used. However, due to the relatively high hardness of the surface of titanium and titanium alloy plates, when using a car, planer, and other machining methods, tools are required. Going deep into the matrix of titanium and titanium alloy plates, on the one hand, the wear of the tool is relatively large, and the corresponding cost is relatively high. On the other hand, in the process of processing, there will be some titanium chips that are polluted by gas elements, so they cannot be directly recovered. Therefore, at present, the methods of molten alkali washing and acid washing are often used for the treatment of scale. However, for the alkaline cleaning process, not only the temperature of the medium is high, but it is easy to cause premature aging strengthening of titanium and titanium alloy plates, which is not conducive to subsequent processing, and because the main effect of molten alkaline cleaning is sodium hydroxide When the reaction is carried out, it often has a relatively strong reaction effect, which is easy to cause a fire accident.
There is still a lot of knowledge about the pickling of titanium plates, and there are many factors that affect the pickling of titanium plates. As a professional titanium plate manufacturer, Baoji Taicheng will provide you with more relevant knowledge of titanium plates later. At the same time, if you have any questions about titanium plates, please contact us for communication!
