Your Professional Titanium Alloy Forgings Supplier
Baoji Ruihang Elaborate Materials Technology Co.,Ltd was established in 2013' whose registered capital is 20 million RMB. Shaanxi Baoyuan Special Materials Technology Co.,Ltd is one of holding subsidiary whom was established in 2019',the registered capital is 30 million RMB.The Group is located in Baoji city , Shaanxi province, the famous Chinese Titanium Valley. The Group covers an area of 7 acres, include 4 acres of workshop, 1600㎡ of office Building.
The Group mainly produces Titanium and Titanium Alloy products with the whole industry chain,including smelting,forging, straightening,rolling,surface treating,testing process.We are a technology and innovation enterprise whom collecting R&D, production and sales as one unit. Shaanxi Ruihang Elaborate Materials I/E Co.,Ltd is a holding subsidiary of the Group also,whom is in charge of import and export business of the Group.
After the forging titanium process, various post-forging treatments can further enhance the properties and appearance of the components. These treatments are essential for achieving the final desired characteristics and ensuring the longevity and performance of the forged titanium parts.
Heat Treatment for Titanium Forgings
After the forging titanium process, various post-forging treatments can further enhance the properties and appearance of the components. These treatments are essential for achieving the final desired characteristics and ensuring the longevity and performance of the forged titanium parts.
Heat treatment is a crucial post-forging process that can significantly alter the mechanical properties of titanium forgings. Common heat treatment methods include:
Solution Treatment: This process involves heating the forging to a high temperature and then rapidly cooling it. This treatment can increase strength and ductility by altering the microstructure.
Aging: Following solution treatment, aging involves holding the titanium at an elevated temperature for a specific time. This process can further increase strength through the formation of fine precipitates.
Stress Relief: This treatment reduces internal stresses that may have developed during forging or subsequent machining operations.
Annealing: Used to increase ductility and reduce hardness, annealing can be beneficial for improving machinability or formability.
The choice of heat treatment depends on the specific titanium alloy and the desired final properties of the forged component.
Surface finishing is essential for improving the appearance, corrosion resistance, and wear characteristics of titanium forgings. Common surface finishing techniques include:
Chemical Milling: This process selectively removes material from the surface, often used to reduce weight or create complex surface geometries.
Shot Peening: By bombarding the surface with small spherical media, shot peening induces compressive stresses that can improve fatigue resistance.
Anodizing: An electrochemical process that creates a protective oxide layer on the titanium surface, enhancing corrosion resistance and providing color options.
Polishing: Mechanical or chemical polishing can improve surface smoothness and appearance, which is particularly important for medical implants.
Coating: Various coatings can be applied to titanium forgings to enhance wear resistance, reduce friction, or provide thermal barriers.
Advanced surface treatments can impart unique properties to titanium forgings:
Laser Surface Modification: This technique can create textured surfaces or alter the surface composition to enhance properties like wear resistance or biocompatibility.
Plasma Nitriding: By introducing nitrogen into the surface layer, this process can significantly improve hardness and wear resistance.
Diffusion Bonding: This technique can join titanium components without traditional welding, maintaining the integrity of the forged microstructure.
These specialized treatments allow for further customization of titanium forgings to meet specific application requirements.
Ensuring the quality and consistency of post-forging treatments is critical:
Non-Destructive Testing (NDT): Techniques like ultrasonic testing or X-ray inspection can verify the integrity of heat-treated forgings.
Surface Metrology: Advanced measurement techniques ensure that surface finishes meet specified requirements.
Mechanical Testing: Post-treatment samples undergo rigorous testing to confirm that desired mechanical properties have been achieved.
The Main Process of Titanium Alloy Forging
Forging is a plastic forming process, that is, using the plasticity of metal to make the blank material obtain a certain shape and structural properties under the impact or pressure of the tool.
Free Forging
Free forging is generally carried out between two flat dies or molds without a cavity. The tools used in free forging are simple in shape, flexible, short in the manufacturing cycle, and low in cost. However, free forging has high labor intensity, difficult operation, low productivity, low forging quality, and large machining allowance. Therefore, it is only suitable for use when there are no special requirements for the performance of the parts and the number of parts is small.
Open Die Forging
The blank is deformed between two molds with cavities, the forging is confined in the cavity, and the excess metal flows out from the narrow gap between the two molds, forming burrs around the forging. Under the resistance of the mold and surrounding burrs, the metal is forced to be pressed into the shape of the mold cavity.
Closed Die Forging
In the closed die forging process, no transverse burrs perpendicular to the direction of die movement are formed. The cavity of the closed forging die has two functions: one is for forming the blank, and the other is for guiding.
Extrusion Die Forging
It refers to using the extrusion method for die forging, which includes forward extrusion die forging and reverse extrusion die forging. Extrusion die forging can manufacture all kinds of hollow and solid parts and can obtain forgings with high geometrical precision and denser internal structure.
Multi-Directional Die Forging
Multi-directional die forging is performed on a multi-directional die forging machine. In multi-directional die forging, the slider acts alternately and jointly on the workpiece from the vertical and horizontal directions, and one or more perforation punches are used to make the metal flow outward from the center of the cavity to achieve the purpose of filling the cavity.
Partial Die Forging
In order to forge large integral forgings on the existing hydraulic pressure, partial die forging methods, such as segment die forging, pad die forging, etc. can be used. The feature of the partial die forging method is to process the forging piece by piece, processing one part at a time, so the required equipment tonnage can be very small. Generally speaking, this method can be used to process extra-large forgings on medium hydraulic presses.
Isothermal Forging
Before forging, the mold is heated to the forging temperature of the blank, and the temperature of the mold and the blank remains the same throughout the forging process so that a large amount of deformation can be obtained under the action of a small deformation force.
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