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Application and preparation method of spherical powder
Application and preparation method of spherical powder
Spherical powders have been widely used in many fields because of their good fluidity and high density. In the field of thermal spraying, the spherical powder makes the coating more uniform and dense because of its good fluidity, so the coating has better wear resistance; In the field of powder metallurgy, the forming parts prepared by spherical powder have high density and uniform shrinkage in the sintering process, so the products obtained have high precision and good performance. It has obvious advantages in the application of advanced powder metallurgy forming technology such as injection molding, gel injection molding and additive manufacturing (such as 3D printing technology).
2022-10-27
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Spherical powders have been widely used in many fields because of their good fluidity and high density. In the field of thermal spraying, the spherical powder makes the coating more uniform and dense because of its good fluidity, so the coating has better wear resistance; In the field of powder metallurgy, the forming parts prepared by spherical powder have high density and uniform shrinkage in the sintering process, so the products obtained have high precision and good performance. It has obvious advantages in the application of advanced powder metallurgy forming technology such as injection molding, gel injection molding and additive manufacturing (such as 3D printing technology).
Platinum group metals have been grinding for a decade, and the future is not to be underestimated
Platinum group metals have been grinding for a decade, and the future is not to be underestimated
As the "newborn" of the metal family, platinum group precious metals play an indispensable role from the transformation of the traditional petrochemical industry to the whole industrial chain of new energy, including hydrogen energy, and will eventually play an important role in the development of the 21st century!
2022-10-20
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As the "newborn" of the metal family, platinum group precious metals play an indispensable role from the transformation of the traditional petrochemical industry to the whole industrial chain of new energy, including hydrogen energy, and will eventually play an important role in the development of the 21st century!
Advantages and disadvantages of friction stir welding
 Advantages and disadvantages of friction stir welding
The main advantages of friction stir welding are as follows:
2022-04-08
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The main advantages of friction stir welding are as follows:
What fields are friction stir welding generally used in
What fields are friction stir welding generally used in
Everyone may have heard of Friction Stir Welding (FSW), which was officially launched in 1991. As soon as it appeared, it attracted the attention of the world.
2022-04-06
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Everyone may have heard of Friction Stir Welding (FSW), which was officially launched in 1991. As soon as it appeared, it attracted the attention of the world.
Specialized solutions for milling, cutting and drilling tool base materials for high temperature alloys, refractory metals and other parts
Specialized solutions for milling, cutting and drilling tool base materials for high temperature alloys, refractory metals and other parts
Ultra Minor Metals Ltd(UMM) has more than ten years of experience in the application and development of alloy trace addition, and provides rare, scattered and rare precious metal element addition solutions for various alloy manufacturing enterprises. According to the difficulties encountered in milling, cutting and drilling of high-temperature alloys, refractory metals and other parts and components reported by many users in recent years, UMM has finally successfully developed after five years of joint research and development tests with leading domestic enterprises. In order to add ruthenium, rhenium, osmium and other elemental high-purity ultrafine powders specially used to add to the base material of such special cemented carbide tools, or Co-Ru, Re, Os binary and ternary pre-alloyed mixed powders, we also warmly welcome all major High-performance alloy tool manufacturing enterprises and our company jointly develop various special customized tool material grades.
2022-04-06
See more information
Ultra Minor Metals Ltd(UMM) has more than ten years of experience in the application and development of alloy trace addition, and provides rare, scattered and rare precious metal element addition solutions for various alloy manufacturing enterprises. According to the difficulties encountered in milling, cutting and drilling of high-temperature alloys, refractory metals and other parts and components reported by many users in recent years, UMM has finally successfully developed after five years of joint research and development tests with leading domestic enterprises. In order to add ruthenium, rhenium, osmium and other elemental high-purity ultrafine powders specially used to add to the base material of such special cemented carbide tools, or Co-Ru, Re, Os binary and ternary pre-alloyed mixed powders, we also warmly welcome all major High-performance alloy tool manufacturing enterprises and our company jointly develop various special customized tool material grades.
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Application and preparation method of spherical powder
Application and preparation method of spherical powder
Spherical powders have been widely used in many fields because of their good fluidity and high density. In the field of thermal spraying, the spherical powder makes the coating more uniform and dense because of its good fluidity, so the coating has better wear resistance; In the field of powder metallurgy, the forming parts prepared by spherical powder have high density and uniform shrinkage in the sintering process, so the products obtained have high precision and good performance. It has obvious advantages in the application of advanced powder metallurgy forming technology such as injection molding, gel injection molding and additive manufacturing (such as 3D printing technology).
See more information
Spherical powders have been widely used in many fields because of their good fluidity and high density. In the field of thermal spraying, the spherical powder makes the coating more uniform and dense because of its good fluidity, so the coating has better wear resistance; In the field of powder metallurgy, the forming parts prepared by spherical powder have high density and uniform shrinkage in the sintering process, so the products obtained have high precision and good performance. It has obvious advantages in the application of advanced powder metallurgy forming technology such as injection molding, gel injection molding and additive manufacturing (such as 3D printing technology).
Platinum group metals have been grinding for a decade, and the future is not to be underestimated
Platinum group metals have been grinding for a decade, and the future is not to be underestimated
As the "newborn" of the metal family, platinum group precious metals play an indispensable role from the transformation of the traditional petrochemical industry to the whole industrial chain of new energy, including hydrogen energy, and will eventually play an important role in the development of the 21st century!
See more information
As the "newborn" of the metal family, platinum group precious metals play an indispensable role from the transformation of the traditional petrochemical industry to the whole industrial chain of new energy, including hydrogen energy, and will eventually play an important role in the development of the 21st century!
Advantages and disadvantages of friction stir welding
 Advantages and disadvantages of friction stir welding
The main advantages of friction stir welding are as follows:
See more information
The main advantages of friction stir welding are as follows:
What fields are friction stir welding generally used in
What fields are friction stir welding generally used in
Everyone may have heard of Friction Stir Welding (FSW), which was officially launched in 1991. As soon as it appeared, it attracted the attention of the world.
See more information
Everyone may have heard of Friction Stir Welding (FSW), which was officially launched in 1991. As soon as it appeared, it attracted the attention of the world.
Specialized solutions for milling, cutting and drilling tool base materials for high temperature alloys, refractory metals and other parts
Specialized solutions for milling, cutting and drilling tool base materials for high temperature alloys, refractory metals and other parts
Ultra Minor Metals Ltd(UMM) has more than ten years of experience in the application and development of alloy trace addition, and provides rare, scattered and rare precious metal element addition solutions for various alloy manufacturing enterprises. According to the difficulties encountered in milling, cutting and drilling of high-temperature alloys, refractory metals and other parts and components reported by many users in recent years, UMM has finally successfully developed after five years of joint research and development tests with leading domestic enterprises. In order to add ruthenium, rhenium, osmium and other elemental high-purity ultrafine powders specially used to add to the base material of such special cemented carbide tools, or Co-Ru, Re, Os binary and ternary pre-alloyed mixed powders, we also warmly welcome all major High-performance alloy tool manufacturing enterprises and our company jointly develop various special customized tool material grades.
See more information
Ultra Minor Metals Ltd(UMM) has more than ten years of experience in the application and development of alloy trace addition, and provides rare, scattered and rare precious metal element addition solutions for various alloy manufacturing enterprises. According to the difficulties encountered in milling, cutting and drilling of high-temperature alloys, refractory metals and other parts and components reported by many users in recent years, UMM has finally successfully developed after five years of joint research and development tests with leading domestic enterprises. In order to add ruthenium, rhenium, osmium and other elemental high-purity ultrafine powders specially used to add to the base material of such special cemented carbide tools, or Co-Ru, Re, Os binary and ternary pre-alloyed mixed powders, we also warmly welcome all major High-performance alloy tool manufacturing enterprises and our company jointly develop various special customized tool material grades.
The principle of friction stir welding
The principle of friction stir welding
Friction stir welding refers to the use of the heat generated by the friction between the high-speed rotating welding tool and the workpiece to partially melt the material to be welded.
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Friction stir welding refers to the use of the heat generated by the friction between the high-speed rotating welding tool and the workpiece to partially melt the material to be welded.
Application of friction stir welding
Application of friction stir welding
Friction stir welding is a solid-state connection method. In terms of connection principle, for the metal materials to be connected, as long as the material has a stirring head material that can work effectively in the forging state, the friction stir welding method can be used. to connect.
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Friction stir welding is a solid-state connection method. In terms of connection principle, for the metal materials to be connected, as long as the material has a stirring head material that can work effectively in the forging state, the friction stir welding method can be used. to connect.
CT machine X-ray tube anode rotating target
CT machine X-ray tube anode rotating target
When the CT tube is working, the anode target produces X-rays under the bombardment of high-energy electron beams, but the energy conversion efficiency is very low. Only about 1% of the energy is converted into X-ray energy, and the remaining 99% of the energy is converted into heat energy. The local temperature can be as high as 2600°C. Therefore, the rotating anode target needs to have the characteristics of high high temperature strength, good thermal shock resistance, and fast heat dissipation. Therefore, the density of the target material, the content of alloy impurity elements, and the brazing bonding strength of graphite and molybdenum alloys affect the service life of the target. Key factor.
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When the CT tube is working, the anode target produces X-rays under the bombardment of high-energy electron beams, but the energy conversion efficiency is very low. Only about 1% of the energy is converted into X-ray energy, and the remaining 99% of the energy is converted into heat energy. The local temperature can be as high as 2600°C. Therefore, the rotating anode target needs to have the characteristics of high high temperature strength, good thermal shock resistance, and fast heat dissipation. Therefore, the density of the target material, the content of alloy impurity elements, and the brazing bonding strength of graphite and molybdenum alloys affect the service life of the target. Key factor.
MOCVD irreplaceable "rhenium" heater member
MOCVD irreplaceable "rhenium" heater member
Tungsten heating devices will become brittle after being recrystallized after being used at high temperature, and will easily break under impact or vibration. Compared with tungsten, rhenium has a higher recrystallization temperature, and the recrystallized rhenium is not a brittle material, but its strength is reduced. As a non-stressed heating device, it still has good working ability and has the best high temperature stability. High creep strength. Therefore, rhenium is used to manufacture MOCVD heating devices. It is the most appropriate choice in consideration of performance and cost. No other material can replace it.
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Tungsten heating devices will become brittle after being recrystallized after being used at high temperature, and will easily break under impact or vibration. Compared with tungsten, rhenium has a higher recrystallization temperature, and the recrystallized rhenium is not a brittle material, but its strength is reduced. As a non-stressed heating device, it still has good working ability and has the best high temperature stability. High creep strength. Therefore, rhenium is used to manufacture MOCVD heating devices. It is the most appropriate choice in consideration of performance and cost. No other material can replace it.
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