According to the "Guideline" standards and testing data of authoritative testing organizations at home and abroad, Volvo Cars air quality assurance leads other brand models significantly. Take the Volvo XC90 as an example, the air quality in the car is higher than that of the newly introduced PM in China. 2.5 The standard specified in the guideline is 5-10 times higher.
Since its inception, Volvo has put safety and environmental protection as its mission and brand DNA, and has proposed a great vision of “zero emissions†and “zero casualtiesâ€. Volvo’s efforts in environmental protection and surrounding air quality in cars mainly focus on four aspects:
First, Volvo Cars has a dedicated department of interior air management under the R&D department to formulate and implement related strategies and coordinate with other R&D departments (interior, etc.), vehicle design department, purchasing department, and production department. Produces cars that exceed European standards and comply with Volvo indoor air quality standards;
Second, fillers used in Volvo car seats are all extracted from soy fiber and are fully compliant with the Joint Children's Fiber Association standards.
Third, the filters used in Volvo vents are purchased according to the highest quality standards in the industry, and tested at -40 degrees Celsius to +85 degrees Celsius and in different humidity environments. They can filter out dust of 95% PM 1.0-5.0. And particles; filter out 100% PM5.0-10 dust and granules, an average of 20-100 times more than Beijing outside the car air quality. The filter has a service life of 3 years or 30,000 kilometers, which is the longest in the industry. It can be replaced and recycled, and no bacteria or viruses will be produced during use.
Fourthly, the vehicles that will be developed in the future will use the blue and red luminous modes in the vents to show the air quality level in the car. If the pollution is serious, the air purification system will be automatically activated and the air quality in the car will change. Volvo’s goal is to provide Volvo owners with Nordic air that is as pure and clean as the Arctic, and experience Scandinavian life in Volvo cars. The middle screen (human-machine dialogue interface) will show detailed analysis, diagnosis and feedback for high-end customers, including external air data, daily reports and forecasts. In the offshore mode, the car can also start the car's air purification mode in advance through the IPhone.
From this we can see that Volvo not only satisfies the technical standards, but also creates a car with technology and environmental protection as the core for Volvo owners and truly serves the owner's “health and driving pleasureâ€.
Cobalt-based alloy powders are commonly used in laser cladding processes due to their excellent wear resistance, high temperature strength, and corrosion resistance. These alloys typically contain varying amounts of cobalt, chromium, tungsten, and nickel, among other elements, to achieve specific properties.
The laser cladding process involves melting the cobalt-based alloy powder using a high-energy laser beam and depositing it onto a substrate to form a protective coating. This coating helps to enhance the surface properties of the substrate, such as hardness, wear resistance, and corrosion resistance.
Some common cobalt-based alloy powders used in laser cladding include:
1. Stellite: This is a well-known cobalt-chromium-tungsten alloy that offers excellent wear and corrosion resistance. It is often used in applications where high temperatures and abrasive environments are present, such as in oil and gas drilling tools, valves, and pump components.
2. Tribaloy: Tribaloy alloys are cobalt-based alloys that contain varying amounts of chromium, molybdenum, and silicon. They are known for their exceptional high-temperature strength and resistance to galling, making them suitable for applications in the aerospace, petrochemical, and power generation industries.
3. Haynes alloys: Haynes alloys are nickel-cobalt-chromium-molybdenum alloys that offer excellent high-temperature strength, oxidation resistance, and corrosion resistance. They are commonly used in applications where extreme heat and corrosive environments are present, such as in gas turbines and chemical processing equipment.
These cobalt-based alloy powders are available in various particle sizes and can be tailored to meet specific application requirements. They can be used with different laser cladding techniques, such as powder-fed laser cladding or blown powder laser cladding, depending on the desired coating thickness and properties.
Overall, cobalt-based alloy powders for laser cladding provide enhanced surface properties and improved performa
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