According to a report from Geshi Automobile, a report from the European Automobile Manufacturers Association, the number of new vehicle registrations in the European Union fell by 12.9% year-on-year in August, down from a year-on-year figure of 805,675. The number of vehicles dropped to 701,710 and continued the downward trend in the second quarter of this year.
Although the number of registrations for new EU vehicles in the first seven months of this year was unchanged from the same period of last year, the number of registrations in the first eight months of this year decreased from 9,348,043 units in the same period last year to 9,021,703 units, a decrease of 3.5%.
In the first eight months of this year, new car registrations in France, the United Kingdom, Spain and Ireland rose by 2%, 13.2%, 21.9% and 49.6%, respectively, while new car registrations in Italy, Germany and Bulgaria fell by 2.5% and 28.7%, respectively. And 39.1%.
In August, Volkswagen Group led the European passenger vehicle market. However, Volkswagen’s passenger vehicle registrations decreased by 11.1% year-on-year, from 186,702 vehicles in the same period last year to 166,059. The registered passenger cars of PSA Peugeot Citroën and Renault Group were 90,294 iang and 70,762, respectively, which ranked second and third respectively.
Cobalt-based alloy powders are commonly used in plasma transfer arc welding (PTAW) due to their excellent high-temperature properties and resistance to wear and corrosion. These alloys are typically composed of cobalt as the base metal, with various alloying elements such as chromium, tungsten, nickel, and carbon added to enhance specific properties.
The use of cobalt-based alloy powders in PTAW offers several advantages, including:
1. High-temperature strength: Cobalt-based alloys exhibit excellent strength and resistance to deformation at elevated temperatures, making them suitable for welding applications that involve high heat.
2. Wear resistance: These alloys have a high hardness and resistance to wear, making them ideal for welding applications where the welded parts are subjected to abrasive or erosive conditions.
3. Corrosion resistance: Cobalt-based alloys offer good resistance to corrosion, making them suitable for welding applications in aggressive environments, such as those involving chemicals or saltwater.
4. Thermal conductivity: Cobalt-based alloys have good thermal conductivity, allowing for efficient heat transfer during welding and reducing the risk of heat-affected zone (HAZ) defects.
5. Compatibility with other materials: Cobalt-based alloys can be easily welded to a wide range of base metals, including stainless steels, nickel alloys, and other cobalt-based alloys, providing versatility in welding applications.
To use cobalt-based alloy powders for PTAW, the powder is typically fed into the plasma arc using a powder feeder. The powder is then melted by the high-temperature plasma arc and deposited onto the workpiece, forming a weld bead. The specific welding parameters, such as arc current, travel speed, and powder feed rate, will depend on the specific alloy and application requirements.
It is important to note that the selection of the cobalt-based alloy powder should be based on the specific welding application and the desired properties of the final weld. Different cobalt-based a
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