Titantråd
Currently, more than 80% oftitanium.html> titanium and titanium alloy wires are used as welding wires, such as welding of various titanium equipment, welding pipes, repair welding of aircraft jet engine turbine disks and blades, welding of casings, etc. At the same time, titanium alloy wire is a high-performance material that perfectly "inherits" the advantages of titanium and titanium alloys and is widely used in many fields.
Superpowers of titanium alloy wire
High strength and heat resistance: These properties of titanium alloy wire make it an ideal structural material in the aerospace field, especially when manufacturing aircraft and spacecraft components.
Good corrosion resistance: This makes titanium alloy wire very useful in the chemical and pharmaceutical industries, and can be used as a filter for filtering seawater, pure water and chemicals.
Superelasticity and shape memory effect: These properties allow titanium alloy wire to be used in the medical and health field to manufacture stents, catheter reinforcement, etc., and in sports and leisure products to manufacture lightweight and high-performance tennis rackets and golf clubs.
Biocompatibility: This property of titanium alloy wire makes it very valuable in the manufacture of medical devices, such as implants such as crown fixation and skull fixation.
Non-magnetic and low ultrasonic impedance: These properties allow titanium alloy wire to be used to make electrodes in the electroplating and water treatment industries.
Diversity of applications: Titanium alloy wire is not only used in traditional industrial fields, but also used to make consumer products such as satellite antennas and eyeglass frames due to its light weight and high performance.
Titanium wire manufacturing process
The preparation methods of titanium alloy wire mainly include drawing and additive manufacturing technology.
Drawing is to produce small-section metal wire by pulling the wire rod or wire blank out of the die hole under the action of drawing force. This process can accurately control the size and surface quality of the wire.
Additive manufacturing technology mainly involves a variety of 3D printing technologies, including laser selective sintering forming technology (SLS), laser selective melting forming technology (SLM), electron beam selective melting forming technology (EBSM) and electron beam fuse deposition forming technology (EBF). EBSM technology has attracted attention for its excellent mechanical properties and high fatigue performance.
Common types of titanium wire
Titanium alloy wire: such as grade 5 Ti-6Al-4V, etc., with different alloy compositions and properties.
High-purity titanium wire: including grade 1 and grade 2, grade 7 grades, with high purity and good corrosion resistance.
Titanium welding wire: used for welding titanium and titanium alloy materials, such as grade 1 pure titanium welding wire.
Titanium straight wire: including straight strips of titanium wire with different diameters, used in various industrial applications.
Titanium coil wire: titanium wire wound into a coil for easy storage and use.
Titanium capillary wire: with a smaller diameter, suitable for precision engineering and medical equipment.
Titanium eyeglass wire: used to make eyeglass frames, etc., requiring the material to be light and have good elasticity.
Titanium strip: flat titanium wire, used for specific industrial applications.
Titanium wire rope: a rope-shaped material made of multiple titanium wires twisted together.
Corrosion-resistant titanium wire: has excellent corrosion resistance and is suitable for chemical and seawater treatment.
Medical titanium wire: used for medical devices and implants, such as dental fixing wires.
Titanium nickel alloy wire: has shape memory effect and is used for special applications.
Applications of titanium welding wire
Laser filler wire welding: Titanium welding wire shows good welding seam forming ability and structural properties in laser filler wire welding, especially in the welding of grade 5, Ti6al4v titanium alloy plates, high-quality welds can be obtained.
Underwater welding: Grade 5, laser filler wire welding technology of Ti6al4v titanium alloy has been successfully applied in the underwater field. After optimizing the welding parameters, high-quality underwater welds can be obtained.
Aerospace: Titanium welding wire is used for repair welding of turbine disks and blades of aviation jet engines, as well as welding of casings.
Chemical industry: Due to its corrosion resistance, titanium welding wire is used in the chemical, pharmaceutical, paper and other industries for the maintenance of equipment and the manufacture of new equipment.
Medical industry: Titanium alloys have become one of the most successful metal materials in the field of biomedical engineering, used in the production of orthopedic implants, dental restorations and cardiovascular devices.
Titanium welding wire properties
Mechanical properties: By selecting appropriate titanium welding wire and optimizing the welding process, the overall performance of the welded joint can be effectively improved.
Corrosion resistance: Titanium welding wire contains alloy elements such as Ni, Co, Cr, Pd, Ru, etc., which significantly improves the corrosion resistance of the weld.
Microstructure control: Laser wire filler welding technology can effectively control the distribution of acicular martensite in the center area of the weld and the grain size in the heat-affected zone.
Related processes
Welding parameter optimization: By adjusting parameters such as welding speed, wire feeding speed and laser power, well-formed, continuous and stable welds can be obtained.
Pretreatment methods: including groove processing, cleaning of grooves and welding wires, preheating before welding, and chemical treatment. These steps help improve welding quality.
Welding wire preparation method: For example, the preparation method of Cu-Ag-Cr welding wire for titanium-pipeline steel welding can reduce the welding stress of the transition layer and improve the strength and toughness of the weld.
Challenges faced
Nozzle nodule problem: This problem can be effectively solved by analyzing the causes of nozzle nodule of titanium-containing welding wire steel and improving measures.
Pourability research: By controlling process parameters, the pourability of molten steel can be significantly improved and the quality of welding wire can be improved.
Titanium welding wire models and specifications
ERTi-1, ERTi-2, ERTi-3, ERTi-4, ERTi-5, ERTi-7, ERTi-9, ERTi-12, ERTi-23, etc.: follow different execution standards and are widely used in aerospace and aviation , military industry, light industry, chemical industry, 3D printing, textile, electronics, superconducting, medical and petrochemical industries.
