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Looking to buy the best Unspecified Permanent Magnets for sale? Get Quotes sends your requirements to expert suppliers in Australia so you get personalised quotes to compare Permanent Magnets prices, specifications, features and terms then choose the one that’s right for you. Also compare servicing, consumables and reviews, so you can buy with confidence.
Russell Fraser Sales NDT | Inspection, NDT & Testing Equipment Russell Fraser Sales Pty Ltd supplies inspection, NDT and testing equipment to Engineering, Construction, NDT, Aerospace, Marine and Diving industries primarily throughout Australia, New Zealand and South East Asia. These products fall into the areas of: Ultrasonics, Ultraviolet, Radiography, Magnetic Particle Dye Penetrant Inspection, Eddy Current Testing, Surface Inspection ... Customers: APA, Dept Defence, Rio Tinto, One Steel, ALS
AMF Magnetics | Australia's leading magnet supplier AMF Magnetics is Australia's leading supplier of permanent magnets and magnetic tools and equipment. Our range includes Neodymium magnets, Ferrite magnets, Flexible magnets, Magnetic lifters and holding magnets. Our website also contains useful tools such as our Flux Graph Calculator and our free Design A Magnet service whereby you can quickly and easily lodge custom made magnet ... Customers: BHP, Resmed, Cochlear, Rio Tinto, Goodman Feilder
Airbag Man | Air Bags & Air Springs Airbag Man is an Australian owned and operated company situated in Brisbane, Queensland.
Airbag Man is a leading supplier of Firestone and Dunlop air springs specialising in their use as actuators and vibration isolators. Air springs and associated pneumatic technology are used by us as simple solutions in many different applications from rail, light and heavy vehicles, ...
What types of permanent magnets are available in Australia?
Are available in various types in Australia, including neodymium magnets, ceramic magnets, samarium cobalt magnets, and alnico magnets. Neodymium magnets are the strongest type of permanent magnets, while ceramic magnets are the most economical. Samarium cobalt magnets are known for their high-temperature resistance, and alnico magnets are known for their high magnetic flux density. These magnets are used in various industries, including electronics, automotive, aerospace, and medical.
What are the different grades of permanent magnets?
Permanent magnets are materials that generate a magnetic field without the need for an external power source. There are various grades of permanent magnets available, each with its own unique properties and characteristics. The most common grades of permanent magnets are:
Alnico Magnets: These magnets are made from aluminum, nickel, and cobalt. They have a high magnetic field strength and are often used in applications that require high temperatures.
Ceramic Magnets: These magnets are made from a composite of iron oxide and barium or strontium carbonate. They are inexpensive and have good resistance to corrosion.
Samarium Cobalt Magnets: These magnets are made from samarium, cobalt, and other rare earth metals. They have a high magnetic field strength and are commonly used in applications that require high temperatures.
Neodymium Magnets: These magnets are made from a combination of neodymium, iron, and boron. They have the highest magnetic field strength of any permanent magnet and are commonly used in high-performance motors, generators, and other industrial applications.
The grade of a permanent magnet is determined by its magnetic properties, such as its magnetic energy product, coercivity, and maximum operating temperature. Higher-grade magnets generally have higher magnetic energy product, coercivity, and temperature resistance.
How do I choose the right permanent magnet for my application?
Are essential components in various industries, including automotive, electronics, medical, and aerospace. They are used in motors, generators, sensors, and other devices that require a magnetic field. Choosing the right permanent magnet for your application can be challenging, as several factors affect their performance and suitability. Here are some essential considerations to help you select the right permanent magnet for your needs:
Magnet Material: There are different types of permanent magnet materials available, such as neodymium, samarium cobalt, ferrite, and alnico. Each material has unique magnetic properties that make it suitable for specific applications.
Magnetic Strength: The strength of a permanent magnet is measured in terms of its magnetic flux density or magnetic field strength. The magnet's strength should be sufficient to meet the application's requirements.
Temperature: Permanent magnets can lose their magnetic properties when exposed to high temperatures. Therefore, it is crucial to select a magnet that can withstand the application's operating temperature.
Size and Shape: The magnet's size and shape should be compatible with the application's design and requirements.
Environmental Factors: Environmental factors such as humidity, corrosion, and vibrations can affect the magnet's performance and lifespan. Therefore, it is essential to consider these factors when selecting a permanent magnet.
In conclusion, choosing the right permanent magnet for your application requires careful consideration of several factors. It is crucial to consult with a magnet supplier or engineer to ensure that you select a magnet that meets your needs and specifications.
What is the maximum operating temperature of permanent magnets?
The maximum operating temperature of permanent magnets depends on the type of magnet and its composition. Generally, neodymium magnets can operate up to 200°C, samarium cobalt magnets up to 300°C, and ceramic magnets up to 450°C. Therefore, it is important to choose the right type of magnet for the intended application and to use caution when exposing magnets to high temperatures.
Can permanent magnets be customized to meet specific requirements?
Can be customized to meet specific requirements by altering their composition, shape, and size. The most common way to customize permanent magnets is by changing the ratio of the magnetic materials that make up the magnet. This can affect the strength and magnetic properties of the magnet. Other customization options include changing the shape of the magnet, such as creating a disc or cylinder shape, or adding coatings to protect the magnet from corrosion or damage. Customized magnets can be used in a variety of industries, including aerospace, automotive, and medical.
What is the expected lifespan of a permanent magnet?
Permanent magnets are expected to have a very long lifespan, with some lasting for decades or even centuries. The lifespan of a permanent magnet depends on various factors such as the quality of the magnet, the environment in which it is used, and the level of stress it is subjected to. With proper care and maintenance, permanent magnets can retain their magnetic properties for a very long time without significant degradation. Ultimately, the expected lifespan of a permanent magnet varies depending on its specific application and usage.
How are permanent magnets measured and rated?
Are measured and rated based on their magnetic properties such as magnetic field strength, magnetic flux density, coercivity, and energy product. These properties are measured using instruments such as magnetometers and gaussmeters. The most common rating system for permanent magnets is the Magnetic Energy Product (BHmax), which is the maximum amount of magnetic energy that a magnet can store. This rating is determined by multiplying the magnetic field strength (B) and the magnetic flux density (H) at the point of maximum energy output. The higher the BHmax rating, the more powerful the magnet. Other factors that can affect the performance of permanent magnets include temperature and external magnetic fields.
What are the advantages of using permanent magnets over other types of magnets?
Are widely used in various applications due to their unique properties and advantages over other types of magnets. Some of the advantages of permanent magnets are:
Retain their magnetism: Unlike electromagnets, permanent magnets do not require a power source to maintain their magnetic field. They retain their magnetism indefinitely, making them ideal for long-term applications.
High magnetic strength: Permanent magnets have a high magnetic strength, which makes them ideal for applications where a strong magnetic field is required.
Cost-effective: Permanent magnets are cost-effective as they do not require a power source and are easy to manufacture.
Energy-efficient: As permanent magnets do not require a power source, they are more energy-efficient than electromagnets.
Durable: Permanent magnets are highly durable and can withstand harsh environments, making them ideal for use in industrial applications.
Compact: Permanent magnets are compact and can be easily integrated into various applications, making them ideal for use in small devices.
Overall, the advantages of using permanent magnets make them a popular choice for various applications, including motors, generators, sensors, and magnetic levitation systems.
What are the risks associated with handling permanent magnets?
Can pose several risks if not handled properly. First, they can cause physical harm if they are handled too roughly, as they have a strong magnetic field that can attract or repel other objects. This can lead to pinched fingers or other injuries. Additionally, if two magnets are brought too close together, they can snap together with great force, potentially causing injury.
Another risk associated with permanent magnets is their potential to interfere with electronic equipment, including pacemakers, credit cards, and other sensitive devices. Care should be taken to avoid bringing magnets near these devices.
Finally, permanent magnets can be a fire hazard if they are not stored properly. If they are allowed to come into contact with metal objects, they can generate heat and start a fire. Proper storage and handling of permanent magnets is essential to avoid these risks.
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